feat: Add Space Weather mode with real-time solar and geomagnetic monitoring

New mode providing real-time space weather data from NOAA SWPC, NASA SDO,
and HamQSL APIs. Includes Kp index, solar wind, X-ray flux charts, HF band
conditions, D-RAP absorption maps, aurora forecast, solar imagery, flare
probability, and active solar regions. No SDR hardware required.

Bumps version to 2.20.0. Updates all documentation including README, FEATURES,
USAGE, UI_GUIDE, help modal, and GitHub Pages site.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.dockerignore

@@ -35,6 +35,7 @@ htmlcov/
 
 # Local Postgres data
 pgdata/
+pgdata.bak/
 
 # Captured files (don't include in image)
 *.cap

.env.example

@@ -0,0 +1,2 @@
+# Uncomment and set to use external storage for ADS-B history
+# PGDATA_PATH=/mnt/external/intercept/pgdata

.gitignore

@@ -54,3 +54,14 @@ intercept_agent_*.cfg
 # Temporary files
 /tmp/
 *.tmp
+
+# Weather satellite runtime data (decoded images, samples, SatDump output)
+data/weather_sat/
+
+# SDR capture files (large IQ recordings)
+data/subghz/captures/
+
+# Env files
+.env
+.env.*
+!.env.example

CHANGELOG.md

@@ -2,6 +2,39 @@
 
 All notable changes to iNTERCEPT will be documented in this file.
 
+## [2.15.0] - 2026-02-09
+
+### Added
+- **Real-time WebSocket Waterfall** - I/Q capture with server-side FFT
+  - Click-to-tune, zoom controls, and auto-scaling quantization
+  - Shared waterfall UI across SDR modes with function bar controls
+  - WebSocket frame serialization and connection reuse
+- **Cross-Module Frequency Routing** - Tune from Listening Post directly to decoders
+- **Pure Python SSTV Decoder** - Replaces broken slowrx C dependency
+  - Real-time decode progress with partial image streaming
+  - VIS detector state in signal monitor diagnostics
+  - Image gallery with delete and download functionality
+- **Real-time Signal Scope** - Live signal visualization for pager, sensor, and SSTV modes
+- **SSTV Image Gallery** - Delete and download decoded images
+- **USB Device Probe** - Detect broken SDR devices before rtl_fm crashes
+
+### Fixed
+- DMR dsd-fme protocol flags, device label, and tuning controls
+- DMR frontend/backend state desync causing 409 on start
+- Digital voice decoder producing no output due to wrong dsd-fme flags
+- SDR device lock-up from unreleased device registry on process crash
+- APRS crash on large station count and station list overflow
+- Settings modal overflowing viewport on smaller screens
+- Waterfall crash on zoom by reusing WebSocket and adding USB release retry
+- PD120 SSTV decode hang and false leader tone detection
+- WebSocket waterfall blocked by login redirect
+- TSCM sweep KeyError on RiskLevel.NEEDS_REVIEW
+
+### Removed
+- GSM Spy functionality removed for legal compliance
+
+---
+
 ## [2.14.0] - 2026-02-06
 
 ### Added

CLAUDE.md

@@ -4,11 +4,26 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## Project Overview
 
-INTERCEPT is a web-based Signal Intelligence (SIGINT) platform providing a unified Flask interface for software-defined radio (SDR) tools. It supports pager decoding, 433MHz sensors, ADS-B aircraft tracking, ACARS messaging, WiFi/Bluetooth scanning, and satellite tracking.
+INTERCEPT is a web-based Signal Intelligence (SIGINT) platform providing a unified Flask interface for software-defined radio (SDR) tools. It supports pager decoding, 433MHz sensors, ADS-B aircraft tracking, ACARS messaging, WiFi/Bluetooth scanning, satellite tracking, ISS SSTV decoding, AIS vessel tracking, weather satellite imagery (NOAA APT & Meteor LRPT), and Meshtastic mesh networking.
 
 ## Common Commands
 
-### Setup and Running
+### Docker (Primary)
+```bash
+# Build and run (basic profile)
+docker compose --profile basic up -d
+
+# Build and run with ADS-B history (Postgres)
+docker compose --profile history up -d
+
+# Rebuild after code changes
+docker compose --profile basic up -d --build
+
+# Multi-arch build (amd64 + arm64 for RPi)
+./build-multiarch.sh
+```
+
+### Local Setup (Alternative)
 ```bash
 # Initial setup (installs dependencies and configures SDR tools)
 ./setup.sh
@@ -66,8 +81,12 @@ Each signal type has its own Flask blueprint:
 - `wifi.py`, `wifi_v2.py` - WiFi scanning (legacy and unified APIs)
 - `bluetooth.py`, `bluetooth_v2.py` - Bluetooth scanning (legacy and unified APIs)
 - `satellite.py` - Pass prediction using TLE data
+- `sstv.py` - ISS SSTV image decoding via slowrx
+- `weather_sat.py` - NOAA APT & Meteor LRPT via SatDump
+- `ais.py` - AIS vessel tracking and VHF DSC distress monitoring
 - `aprs.py` - Amateur packet radio via direwolf
 - `rtlamr.py` - Utility meter reading
+- `meshtastic_routes.py` - Meshtastic LoRa mesh networking
 
 ### Core Utilities (utils/)
 
@@ -91,6 +110,15 @@ Each signal type has its own Flask blueprint:
 - Platform-agnostic scanner with parsers for airodump-ng, nmcli, iw, iwlist, airport (macOS)
 - `channel_analyzer.py` - Frequency band analysis
 
+**Weather Satellite** (`utils/weather_sat.py`):
+- Singleton `WeatherSatDecoder` using SatDump CLI for NOAA APT and Meteor LRPT
+- Subprocess management with stdout parsing, image watcher via rglob
+- Pass prediction using skyfield TLE data
+
+**SSTV Decoder** (`utils/sstv.py`):
+- ISS SSTV reception via slowrx with Doppler tracking
+- Singleton pattern, image gallery with timestamped filenames
+
 ### Key Patterns
 
 **Server-Sent Events (SSE)**: All real-time features stream via SSE endpoints (`/stream_pager`, `/stream_sensor`, etc.). Pattern uses `queue.Queue` with timeout and keepalive messages.
@@ -112,9 +140,25 @@ Each signal type has its own Flask blueprint:
 | acarsdec | ACARS messages | Output parsing |
 | airmon-ng/airodump-ng | WiFi scanning | Monitor mode, CSV parsing |
 | bluetoothctl/hcitool | Bluetooth | Fallback when DBus unavailable |
+| slowrx | SSTV decoding | Subprocess with audio pipe |
+| SatDump | Weather satellites | CLI live mode, NOAA APT + Meteor LRPT |
+| AIS-catcher | AIS vessel tracking | JSON output parsing |
+| direwolf | APRS | TNC modem for packet radio |
+
+### Frontend Structure
+- **Templates**: `templates/index.html` (main SPA), `templates/partials/modes/*.html` (sidebar panels), `templates/partials/nav.html` (global nav)
+- **JS Modules**: `static/js/modes/*.js` - IIFE pattern per mode (e.g., `WeatherSat`, `SSTV`, `Meshtastic`)
+- **CSS**: `static/css/modes/*.css` - scoped styles per mode, CSS variables for theming (`--bg-card`, `--accent-cyan`, `--font-mono`)
+- **Mode Integration**: Each mode needs entries in `index.html` at ~12 points: CSS include, welcome card, partial include, visuals container, JS include, `validModes` set, `modeGroups` map, classList toggle, `modeNames`, visuals display toggle, titles, and init call in `switchMode()`
+
+### Docker
+- `Dockerfile` - Single-stage build with all SDR tools compiled from source (dump1090, AIS-catcher, slowrx, SatDump, etc.)
+- `docker-compose.yml` - Two profiles: `basic` (standalone) and `history` (with Postgres for ADS-B)
+- `build-multiarch.sh` - Multi-arch build script for amd64 + arm64 (RPi5)
+- Data persisted via `./data:/app/data` volume mount
 
 ### Configuration
-- `config.py` - Environment variable support with `INTERCEPT_` prefix
+- `config.py` - Environment variable support with `INTERCEPT_` prefix (e.g., `INTERCEPT_PORT`, `INTERCEPT_WEATHER_SAT_GAIN`)
 - Database: SQLite in `instance/` directory for settings, baselines, history
 
 ## Testing Notes

Dockerfile

@@ -9,6 +9,9 @@ LABEL description="Signal Intelligence Platform for SDR monitoring"
 # Set working directory
 WORKDIR /app
 
+# Pre-accept tshark non-root capture prompt for non-interactive install
+RUN echo 'wireshark-common wireshark-common/install-setuid boolean true' | debconf-set-selections
+
 # Install system dependencies for SDR tools
 RUN apt-get update && apt-get install -y --no-install-recommends \
     # RTL-SDR tools
@@ -21,6 +24,15 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     multimon-ng \
     # Audio tools for Listening Post
     ffmpeg \
+    # SSTV decoder runtime libs
+    libsndfile1 \
+    # SatDump runtime libs (weather satellite decoding)
+    libpng16-16 \
+    libtiff6 \
+    libjemalloc2 \
+    libvolk-bin \
+    libnng1 \
+    libzstd1 \
     # WiFi tools (aircrack-ng suite)
     aircrack-ng \
     iw \
@@ -29,6 +41,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     bluez \
     bluetooth \
     # GPS support
+    gpsd \
     gpsd-clients \
     # Utilities
     # APRS
@@ -41,6 +54,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     soapysdr-module-rtlsdr \
     soapysdr-module-hackrf \
     soapysdr-module-lms7 \
+    soapysdr-module-airspy \
+    airspy \
     limesuite \
     hackrf \
     # Utilities
@@ -56,9 +71,22 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     cmake \
     libncurses-dev \
     libsndfile1-dev \
+    # GTK is required for slowrx (SSTV decoder GUI dependency).
+    # Note: slowrx is kept for backwards compatibility, but the pure Python
+    # SSTV decoder in utils/sstv/ is now the primary implementation.
+    # GTK can be removed if slowrx is deprecated in future releases.
+    libgtk-3-dev \
+    libasound2-dev \
     libsoapysdr-dev \
     libhackrf-dev \
     liblimesuite-dev \
+    libfftw3-dev \
+    libpng-dev \
+    libtiff-dev \
+    libjemalloc-dev \
+    libvolk-dev \
+    libnng-dev \
+    libzstd-dev \
     libsqlite3-dev \
     libcurl4-openssl-dev \
     zlib1g-dev \
@@ -67,6 +95,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libfftw3-dev \
     liblapack-dev \
     libcodec2-dev \
+    libglib2.0-dev \
+    libxml2-dev \
     # Build dump1090
     && cd /tmp \
     && git clone --depth 1 https://github.com/flightaware/dump1090.git \
@@ -109,10 +139,66 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && git clone --depth 1 https://github.com/TLeconte/acarsdec.git \
     && cd acarsdec \
     && mkdir build && cd build \
-    && cmake .. -Drtl=ON \
+    && cmake .. -Drtl=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
     && make \
     && cp acarsdec /usr/bin/acarsdec \
     && rm -rf /tmp/acarsdec \
+    # Build libacars (required by dumpvdl2)
+    && cd /tmp \
+    && git clone --depth 1 https://github.com/szpajder/libacars.git \
+    && cd libacars \
+    && mkdir build && cd build \
+    && cmake .. \
+    && make \
+    && make install \
+    && ldconfig \
+    && rm -rf /tmp/libacars \
+    # Build dumpvdl2 (VDL2 aircraft datalink decoder)
+    && cd /tmp \
+    && git clone --depth 1 https://github.com/szpajder/dumpvdl2.git \
+    && cd dumpvdl2 \
+    && mkdir build && cd build \
+    && cmake .. \
+    && make \
+    && cp src/dumpvdl2 /usr/bin/dumpvdl2 \
+    && rm -rf /tmp/dumpvdl2 \
+    # Build slowrx (SSTV decoder) — pinned to known-good commit
+    && cd /tmp \
+    && git clone https://github.com/windytan/slowrx.git \
+    && cd slowrx \
+    && git checkout ca6d7012 \
+    && make \
+    && install -m 0755 slowrx /usr/local/bin/slowrx \
+    && rm -rf /tmp/slowrx \
+    # Build SatDump (weather satellite decoder - NOAA APT & Meteor LRPT) — pinned to v1.2.2
+    && cd /tmp \
+    && git clone --depth 1 --branch 1.2.2 https://github.com/SatDump/SatDump.git \
+    && cd SatDump \
+    && mkdir build && cd build \
+    && cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_GUI=OFF -DCMAKE_INSTALL_LIBDIR=lib .. \
+    && make -j$(nproc) \
+    && make install \
+    && ldconfig \
+    # Ensure SatDump plugins are in the expected path (handles multiarch differences)
+    && mkdir -p /usr/local/lib/satdump/plugins \
+    && if [ -z "$(ls /usr/local/lib/satdump/plugins/*.so 2>/dev/null)" ]; then \
+        for dir in /usr/local/lib/*/satdump/plugins /usr/lib/*/satdump/plugins /usr/lib/satdump/plugins; do \
+            if [ -d "$dir" ] && [ -n "$(ls "$dir"/*.so 2>/dev/null)" ]; then \
+                ln -sf "$dir"/*.so /usr/local/lib/satdump/plugins/; \
+                break; \
+            fi; \
+        done; \
+    fi \
+    && cd /tmp \
+    && rm -rf /tmp/SatDump \
+    # Build rtlamr (utility meter decoder - requires Go)
+    && cd /tmp \
+    && curl -fsSL "https://go.dev/dl/go1.22.5.linux-$(dpkg --print-architecture).tar.gz" | tar -C /usr/local -xz \
+    && export PATH="$PATH:/usr/local/go/bin" \
+    && export GOPATH=/tmp/gopath \
+    && go install github.com/bemasher/rtlamr@latest \
+    && cp /tmp/gopath/bin/rtlamr /usr/bin/rtlamr \
+    && rm -rf /usr/local/go /tmp/gopath \
     # Build mbelib (required by DSD)
     && cd /tmp \
     && git clone https://github.com/lwvmobile/mbelib.git \
@@ -135,6 +221,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && ldconfig \
     && rm -rf /tmp/dsd-fme \
     # Cleanup build tools to reduce image size
+    # libgtk-3-dev is explicitly removed; runtime GTK libs remain for slowrx
     && apt-get remove -y \
     build-essential \
     git \
@@ -142,6 +229,14 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     cmake \
     libncurses-dev \
     libsndfile1-dev \
+    libgtk-3-dev \
+    libasound2-dev \
+    libpng-dev \
+    libtiff-dev \
+    libjemalloc-dev \
+    libvolk-dev \
+    libnng-dev \
+    libzstd-dev \
     libsoapysdr-dev \
     libhackrf-dev \
     liblimesuite-dev \
@@ -164,7 +259,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY . .
 
 # Create data directory for persistence
-RUN mkdir -p /app/data
+RUN mkdir -p /app/data /app/data/weather_sat
 
 # Expose web interface port
 EXPOSE 5050

LICENSE

@@ -1,21 +1,200 @@
-MIT License
 
-Copyright (c) 2025 smittix
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-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+   1. Definitions.
 
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README.md

@@ -28,20 +28,27 @@ Support the developer of this open-source project
 
 - **Pager Decoding** - POCSAG/FLEX via rtl_fm + multimon-ng
 - **433MHz Sensors** - Weather stations, TPMS, IoT devices via rtl_433
+- **Sub-GHz Analyzer** - RF capture and protocol decoding for 300-928 MHz ISM bands via HackRF
 - **Aircraft Tracking** - ADS-B via dump1090 with real-time map and radar
 - **Vessel Tracking** - AIS ship tracking with VHF DSC distress monitoring
 - **ACARS Messaging** - Aircraft datalink messages via acarsdec
-- **DMR Digital Voice** - DMR/P25/NXDN/D-STAR decoding via dsd-fme with visual synthesizer
-- **Listening Post** - Frequency scanner with audio monitoring
-- **WebSDR** - Remote HF/shortwave listening via WebSDR servers
-- **ISS SSTV** - Receive slow-scan TV from the International Space Station
-- **HF SSTV** - Terrestrial SSTV on shortwave frequencies
-- **Satellite Tracking** - Pass prediction using TLE data
+- **VDL2** - VHF Data Link Mode 2 aircraft datalink decoding via dumpvdl2
+- **Listening Post** - Wideband frequency scanner with real-time audio monitoring
+- **Weather Satellites** - NOAA APT and Meteor LRPT image decoding via SatDump with auto-scheduler
+- **WebSDR** - Remote HF/shortwave listening via KiwiSDR network
+- **ISS SSTV** - Slow-scan TV image reception from the International Space Station
+- **HF SSTV** - Terrestrial SSTV on shortwave frequencies (80m-10m, VHF, UHF)
+- **APRS** - Amateur packet radio position reports and telemetry via direwolf
+- **Satellite Tracking** - Pass prediction with polar plot and ground track map
+- **Utility Meters** - Electric, gas, and water meter reading via rtl_amr
 - **ADS-B History** - Persistent aircraft history with reporting dashboard (Postgres optional)
 - **WiFi Scanning** - Monitor mode reconnaissance via aircrack-ng
 - **Bluetooth Scanning** - Device discovery and tracker detection (with Ubertooth support)
+- **BT Locate** - SAR Bluetooth device location with GPS-tagged signal trail mapping and proximity alerts
+- **GPS** - Real-time GPS position tracking with live map, speed, altitude, and satellite info
 - **TSCM** - Counter-surveillance with RF baseline comparison and threat detection
 - **Meshtastic** - LoRa mesh network integration
+- **Space Weather** - Real-time solar and geomagnetic data from NOAA SWPC, NASA SDO, and HamQSL (no SDR required)
 - **Spy Stations** - Number stations and diplomatic HF network database
 - **Remote Agents** - Distributed SIGINT with remote sensor nodes
 - **Offline Mode** - Bundled assets for air-gapped/field deployments
@@ -60,15 +67,54 @@ cd intercept
 sudo -E venv/bin/python intercept.py
 ```
 
-### Docker (Alternative)
+### Docker
 
 ```bash
 git clone https://github.com/smittix/intercept.git
 cd intercept
-docker compose up -d
+docker compose --profile basic up -d --build
 ```
 
-> **Note:** Docker requires privileged mode for USB SDR access. See `docker-compose.yml` for configuration options.
+> **Note:** Docker requires privileged mode for USB SDR access. SDR devices are passed through via `/dev/bus/usb`.
+
+#### Multi-Architecture Builds (amd64 + arm64)
+
+Cross-compile on an x64 machine and push to a registry. This is much faster than building natively on an RPi.
+
+```bash
+# One-time setup on your x64 build machine
+docker run --privileged --rm tonistiigi/binfmt --install all
+docker buildx create --name intercept-builder --use --bootstrap
+
+# Build and push for both architectures
+REGISTRY=ghcr.io/youruser ./build-multiarch.sh --push
+
+# On the RPi5, just pull and run
+INTERCEPT_IMAGE=ghcr.io/youruser/intercept:latest docker compose --profile basic up -d
+```
+
+Build script options:
+
+| Flag | Description |
+|------|-------------|
+| `--push` | Push to container registry |
+| `--load` | Load into local Docker (single platform only) |
+| `--arm64-only` | Build arm64 only (for RPi deployment) |
+| `--amd64-only` | Build amd64 only |
+
+Environment variables: `REGISTRY`, `IMAGE_NAME`, `IMAGE_TAG`
+
+#### Using a Pre-built Image
+
+If you've pushed to a registry, you can skip building entirely on the target machine:
+
+```bash
+# Set in .env or export
+INTERCEPT_IMAGE=ghcr.io/youruser/intercept:latest
+
+# Then just run
+docker compose --profile basic up -d
+```
 
 ### ADS-B History (Optional)
 
@@ -184,7 +230,7 @@ This project was developed using AI as a coding partner, combining human directi
 
 ## License
 
-MIT License - see [LICENSE](LICENSE)
+Apache 2.0 License - see [LICENSE](LICENSE)
 
 ## Author
 
@@ -198,8 +244,12 @@ Created by **smittix** - [GitHub](https://github.com/smittix)
 [dump1090](https://github.com/flightaware/dump1090) |
 [AIS-catcher](https://github.com/jvde-github/AIS-catcher) |
 [acarsdec](https://github.com/TLeconte/acarsdec) |
+[direwolf](https://github.com/wb2osz/direwolf) |
+[rtl_amr](https://github.com/bemasher/rtlamr) |
+[dumpvdl2](https://github.com/szpajder/dumpvdl2) |
 [aircrack-ng](https://www.aircrack-ng.org/) |
 [Leaflet.js](https://leafletjs.com/) |
+[SatDump](https://github.com/SatDump/SatDump) |
 [Celestrak](https://celestrak.org/) |
 [Priyom.org](https://priyom.org/)
 
@@ -211,3 +261,4 @@ Created by **smittix** - [GitHub](https://github.com/smittix)
 
 
 
+

app.py

@@ -27,9 +27,9 @@ from typing import Any
 
 from flask import Flask, render_template, jsonify, send_file, Response, request,redirect, url_for, flash, session
 from werkzeug.security import check_password_hash
-from config import VERSION, CHANGELOG, SHARED_OBSERVER_LOCATION_ENABLED
+from config import VERSION, CHANGELOG, SHARED_OBSERVER_LOCATION_ENABLED, DEFAULT_LATITUDE, DEFAULT_LONGITUDE
 from utils.dependencies import check_tool, check_all_dependencies, TOOL_DEPENDENCIES
-from utils.process import cleanup_stale_processes
+from utils.process import cleanup_stale_processes, cleanup_stale_dump1090
 from utils.sdr import SDRFactory
 from utils.cleanup import DataStore, cleanup_manager
 from utils.constants import (
@@ -150,6 +150,11 @@ acars_process = None
 acars_queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
 acars_lock = threading.Lock()
 
+# VDL2 aircraft datalink
+vdl2_process = None
+vdl2_queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
+vdl2_lock = threading.Lock()
+
 # APRS amateur radio tracking
 aprs_process = None
 aprs_rtl_process = None
@@ -182,6 +187,10 @@ dmr_lock = threading.Lock()
 tscm_queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
 tscm_lock = threading.Lock()
 
+# SubGHz Transceiver (HackRF)
+subghz_queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
+subghz_lock = threading.Lock()
+
 # Deauth Attack Detection
 deauth_detector = None
 deauth_detector_queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
@@ -244,6 +253,10 @@ sdr_device_registry_lock = threading.Lock()
 def claim_sdr_device(device_index: int, mode_name: str) -> str | None:
     """Claim an SDR device for a mode.
 
+    Checks the in-app registry first, then probes the USB device to
+    catch stale handles held by external processes (e.g. a leftover
+    rtl_fm from a previous crash).
+
     Args:
         device_index: The SDR device index to claim
         mode_name: Name of the mode claiming the device (e.g., 'sensor', 'rtlamr')
@@ -255,6 +268,16 @@ def claim_sdr_device(device_index: int, mode_name: str) -> str | None:
         if device_index in sdr_device_registry:
             in_use_by = sdr_device_registry[device_index]
             return f'SDR device {device_index} is in use by {in_use_by}. Stop {in_use_by} first or use a different device.'
+
+        # Probe the USB device to catch external processes holding the handle
+        try:
+            from utils.sdr.detection import probe_rtlsdr_device
+            usb_error = probe_rtlsdr_device(device_index)
+            if usb_error:
+                return usb_error
+        except Exception:
+            pass  # If probe fails, let the caller proceed normally
+
         sdr_device_registry[device_index] = mode_name
         return None
 
@@ -292,6 +315,10 @@ def require_login():
     if request.path.startswith('/listening/audio/'):
         return None
 
+    # Allow WebSocket upgrade requests (page load already required auth)
+    if request.path.startswith('/ws/'):
+        return None
+
     # Controller API endpoints use API key auth, not session auth
     # Allow agent push/pull endpoints without session login
     if request.path.startswith('/controller/'):
@@ -352,6 +379,8 @@ def index() -> str:
         version=VERSION,
         changelog=CHANGELOG,
         shared_observer_location=SHARED_OBSERVER_LOCATION_ENABLED,
+        default_latitude=DEFAULT_LATITUDE,
+        default_longitude=DEFAULT_LONGITUDE,
     )
 
 
@@ -623,6 +652,25 @@ def export_bluetooth() -> Response:
         })
 
 
+def _get_subghz_active() -> bool:
+    """Check if SubGHz manager has an active process."""
+    try:
+        from utils.subghz import get_subghz_manager
+        return get_subghz_manager().active_mode != 'idle'
+    except Exception:
+        return False
+
+
+def _get_dmr_active() -> bool:
+    """Check if Digital Voice decoder has an active process."""
+    try:
+        from routes import dmr as dmr_module
+        proc = dmr_module.dmr_dsd_process
+        return bool(dmr_module.dmr_running and proc and proc.poll() is None)
+    except Exception:
+        return False
+
+
 @app.route('/health')
 def health_check() -> Response:
     """Health check endpoint for monitoring."""
@@ -637,11 +685,13 @@ def health_check() -> Response:
             'adsb': adsb_process is not None and (adsb_process.poll() is None if adsb_process else False),
             'ais': ais_process is not None and (ais_process.poll() is None if ais_process else False),
             'acars': acars_process is not None and (acars_process.poll() is None if acars_process else False),
+            'vdl2': vdl2_process is not None and (vdl2_process.poll() is None if vdl2_process else False),
             'aprs': aprs_process is not None and (aprs_process.poll() is None if aprs_process else False),
             'wifi': wifi_process is not None and (wifi_process.poll() is None if wifi_process else False),
             'bluetooth': bt_process is not None and (bt_process.poll() is None if bt_process else False),
             'dsc': dsc_process is not None and (dsc_process.poll() is None if dsc_process else False),
-            'dmr': dmr_process is not None and (dmr_process.poll() is None if dmr_process else False),
+            'dmr': _get_dmr_active(),
+            'subghz': _get_subghz_active(),
         },
         'data': {
             'aircraft_count': len(adsb_aircraft),
@@ -658,6 +708,7 @@ def health_check() -> Response:
 def kill_all() -> Response:
     """Kill all decoder, WiFi, and Bluetooth processes."""
     global current_process, sensor_process, wifi_process, adsb_process, ais_process, acars_process
+    global vdl2_process
     global aprs_process, aprs_rtl_process, dsc_process, dsc_rtl_process, bt_process
     global dmr_process, dmr_rtl_process
 
@@ -670,8 +721,10 @@ def kill_all() -> Response:
     processes_to_kill = [
         'rtl_fm', 'multimon-ng', 'rtl_433',
         'airodump-ng', 'aireplay-ng', 'airmon-ng',
-        'dump1090', 'acarsdec', 'direwolf', 'AIS-catcher',
-        'hcitool', 'bluetoothctl', 'dsd'
+        'dump1090', 'acarsdec', 'dumpvdl2', 'direwolf', 'AIS-catcher',
+        'hcitool', 'bluetoothctl', 'satdump', 'dsd',
+        'rtl_tcp', 'rtl_power', 'rtlamr', 'ffmpeg',
+        'hackrf_transfer', 'hackrf_sweep'
     ]
 
     for proc in processes_to_kill:
@@ -705,6 +758,10 @@ def kill_all() -> Response:
     with acars_lock:
         acars_process = None
 
+    # Reset VDL2 state
+    with vdl2_lock:
+        vdl2_process = None
+
     # Reset APRS state
     with aprs_lock:
         aprs_process = None
@@ -736,7 +793,14 @@ def kill_all() -> Response:
     # Reset Bluetooth v2 scanner
     try:
         reset_bluetooth_scanner()
-        killed.append('bluetooth_scanner')
+        killed.append('bluetooth')
+    except Exception:
+        pass
+
+    # Reset SubGHz state
+    try:
+        from utils.subghz import get_subghz_manager
+        get_subghz_manager().stop_all()
     except Exception:
         pass
 
@@ -824,11 +888,24 @@ def main() -> None:
 
     # Clean up any stale processes from previous runs
     cleanup_stale_processes()
+    cleanup_stale_dump1090()
 
     # Initialize database for settings storage
     from utils.database import init_db
     init_db()
 
+    # Register database cleanup functions
+    from utils.database import (
+        cleanup_old_signal_history,
+        cleanup_old_timeline_entries,
+        cleanup_old_dsc_alerts,
+        cleanup_old_payloads
+    )
+    cleanup_manager.register_db_cleanup(cleanup_old_signal_history, interval_multiplier=1440)  # Every 24 hours
+    cleanup_manager.register_db_cleanup(cleanup_old_timeline_entries, interval_multiplier=1440)  # Every 24 hours
+    cleanup_manager.register_db_cleanup(cleanup_old_dsc_alerts, interval_multiplier=1440)  # Every 24 hours
+    cleanup_manager.register_db_cleanup(cleanup_old_payloads, interval_multiplier=1440)  # Every 24 hours
+
     # Start automatic cleanup of stale data entries
     cleanup_manager.start()
 
@@ -836,6 +913,15 @@ def main() -> None:
     from routes import register_blueprints
     register_blueprints(app)
 
+    # Initialize TLE auto-refresh (must be after blueprint registration)
+    try:
+        from routes.satellite import init_tle_auto_refresh
+        import os
+        if not os.environ.get('TESTING'):
+            init_tle_auto_refresh()
+    except Exception as e:
+        logger.warning(f"Failed to initialize TLE auto-refresh: {e}")
+
     # Update TLE data in background thread (non-blocking)
     def update_tle_background():
         try:
@@ -868,6 +954,14 @@ def main() -> None:
     except ImportError as e:
         print(f"KiwiSDR audio proxy disabled: {e}")
 
+    # Initialize WebSocket for waterfall streaming
+    try:
+        from routes.waterfall_websocket import init_waterfall_websocket
+        init_waterfall_websocket(app)
+        print("WebSocket waterfall streaming enabled")
+    except ImportError as e:
+        print(f"WebSocket waterfall disabled: {e}")
+
     print(f"Open http://localhost:{args.port} in your browser")
     print()
     print("Press Ctrl+C to stop")

build-multiarch.sh

@@ -0,0 +1,139 @@
+#!/bin/bash
+# INTERCEPT - Multi-architecture Docker image builder
+#
+# Builds for both linux/amd64 and linux/arm64 using Docker buildx.
+# Run this on your x64 machine to cross-compile the arm64 image
+# instead of building natively on the RPi5.
+#
+# Prerequisites (one-time setup):
+#   docker run --privileged --rm tonistiigi/binfmt --install all
+#   docker buildx create --name intercept-builder --use --bootstrap
+#
+# Usage:
+#   ./build-multiarch.sh                    # Build both platforms, load locally
+#   ./build-multiarch.sh --push             # Build and push to registry
+#   ./build-multiarch.sh --arm64-only       # Build arm64 only (for RPi)
+#   REGISTRY=ghcr.io/user ./build-multiarch.sh --push
+#
+# Environment variables:
+#   REGISTRY    - Container registry (default: docker.io/library)
+#   IMAGE_NAME  - Image name (default: intercept)
+#   IMAGE_TAG   - Image tag (default: latest)
+
+set -euo pipefail
+
+# Configuration
+REGISTRY="${REGISTRY:-}"
+IMAGE_NAME="${IMAGE_NAME:-intercept}"
+IMAGE_TAG="${IMAGE_TAG:-latest}"
+BUILDER_NAME="intercept-builder"
+PLATFORMS="linux/amd64,linux/arm64"
+
+# Parse arguments
+PUSH=false
+LOAD=false
+ARM64_ONLY=false
+
+for arg in "$@"; do
+    case $arg in
+        --push)     PUSH=true ;;
+        --load)     LOAD=true ;;
+        --arm64-only)
+            ARM64_ONLY=true
+            PLATFORMS="linux/arm64"
+            ;;
+        --amd64-only)
+            PLATFORMS="linux/amd64"
+            ;;
+        --help|-h)
+            echo "Usage: $0 [--push] [--load] [--arm64-only] [--amd64-only]"
+            echo ""
+            echo "Options:"
+            echo "  --push        Push to container registry"
+            echo "  --load        Load into local Docker (single platform only)"
+            echo "  --arm64-only  Build arm64 only (for RPi5 deployment)"
+            echo "  --amd64-only  Build amd64 only"
+            echo ""
+            echo "Environment variables:"
+            echo "  REGISTRY    Container registry (e.g. ghcr.io/username)"
+            echo "  IMAGE_NAME  Image name (default: intercept)"
+            echo "  IMAGE_TAG   Image tag (default: latest)"
+            echo ""
+            echo "Examples:"
+            echo "  $0 --push                                    # Build both, push"
+            echo "  REGISTRY=ghcr.io/myuser $0 --push            # Push to GHCR"
+            echo "  $0 --arm64-only --load                       # Build arm64, load locally"
+            echo "  $0 --arm64-only --push && ssh rpi docker pull # Build + deploy to RPi"
+            exit 0
+            ;;
+        *)
+            echo "Unknown option: $arg"
+            exit 1
+            ;;
+    esac
+done
+
+# Build full image reference
+if [ -n "$REGISTRY" ]; then
+    FULL_IMAGE="${REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}"
+else
+    FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
+fi
+
+echo "============================================"
+echo "  INTERCEPT Multi-Architecture Builder"
+echo "============================================"
+echo "  Image:     ${FULL_IMAGE}"
+echo "  Platforms: ${PLATFORMS}"
+echo "  Push:      ${PUSH}"
+echo "============================================"
+echo ""
+
+# Check if buildx builder exists, create if not
+if ! docker buildx inspect "$BUILDER_NAME" >/dev/null 2>&1; then
+    echo "Creating buildx builder: ${BUILDER_NAME}"
+    docker buildx create --name "$BUILDER_NAME" --use --bootstrap
+
+    # Check for QEMU support
+    if ! docker run --rm --privileged tonistiigi/binfmt --install all >/dev/null 2>&1; then
+        echo "WARNING: QEMU binfmt setup may have failed."
+        echo "Run: docker run --privileged --rm tonistiigi/binfmt --install all"
+    fi
+else
+    docker buildx use "$BUILDER_NAME"
+fi
+
+# Build command
+BUILD_CMD="docker buildx build --platform ${PLATFORMS} --tag ${FULL_IMAGE}"
+
+if [ "$PUSH" = true ]; then
+    BUILD_CMD="${BUILD_CMD} --push"
+    echo "Will push to: ${FULL_IMAGE}"
+elif [ "$LOAD" = true ]; then
+    # --load only works with single platform
+    if echo "$PLATFORMS" | grep -q ","; then
+        echo "ERROR: --load only works with a single platform."
+        echo "Use --arm64-only or --amd64-only with --load."
+        exit 1
+    fi
+    BUILD_CMD="${BUILD_CMD} --load"
+    echo "Will load into local Docker"
+fi
+
+echo ""
+echo "Building..."
+echo "Command: ${BUILD_CMD} ."
+echo ""
+
+$BUILD_CMD .
+
+echo ""
+echo "============================================"
+echo "  Build complete!"
+if [ "$PUSH" = true ]; then
+    echo "  Image pushed to: ${FULL_IMAGE}"
+    echo ""
+    echo "  Pull on RPi5:"
+    echo "    docker pull ${FULL_IMAGE}"
+fi
+echo "============================================"

config.py

@@ -7,10 +7,81 @@ import os
 import sys
 
 # Application version
-VERSION = "2.14.0"
+VERSION = "2.20.0"
 
 # Changelog - latest release notes (shown on welcome screen)
 CHANGELOG = [
+    {
+        "version": "2.20.0",
+        "date": "February 2026",
+        "highlights": [
+            "Space Weather mode: real-time solar and geomagnetic monitoring from NOAA SWPC, NASA SDO, and HamQSL",
+            "Kp index, solar wind, X-ray flux charts with Chart.js visualization",
+            "HF band conditions, D-RAP absorption maps, aurora forecast, and solar imagery",
+            "NOAA Space Weather Scales (G/S/R), flare probability, and active solar regions",
+            "No SDR hardware required — all data from public APIs with server-side caching",
+        ]
+    },
+    {
+        "version": "2.19.0",
+        "date": "February 2026",
+        "highlights": [
+            "VDL2 mode with modal message viewer, consolidated into ADS-B dashboard",
+            "ADS-B: trails enabled by default, radar modes removed, CSV export added",
+            "Bundled Roboto Condensed font for offline mode with SVG icon overhaul",
+            "Help modal updated with all modes and correct SVG icons",
+            "Setup script overhauled for reliability and macOS compatibility",
+            "GPS fix for preserving satellites across DOP-only SKY messages",
+            "Fix gpsd deadlock causing GPS connect to hang",
+        ]
+    },
+    {
+        "version": "2.18.0",
+        "date": "February 2026",
+        "highlights": [
+            "Bluetooth: service data inspector, appearance codes, MAC cluster tracking, and behavioral flags",
+            "Bluetooth: IRK badge display, distance estimation with confidence, and signal stability metrics",
+            "ACARS: SoapySDR device support for SDRplay, LimeSDR, Airspy, and other non-RTL backends",
+            "ADS-B: stale dump1090 process cleanup via PID file tracking",
+            "GPS: error state indicator and UI refinements",
+            "Proximity radar and signal card UI improvements",
+        ]
+    },
+    {
+        "version": "2.17.0",
+        "date": "February 2026",
+        "highlights": [
+            "BT Locate: SAR Bluetooth device location with GPS-tagged signal trail and proximity alerts",
+            "IRK auto-detection: extract Identity Resolving Keys from paired devices (macOS/Linux)",
+            "GPS mode: real-time position tracking with live map, speed, altitude, and satellite info",
+            "Bluetooth scanner lifecycle fix for bleak scan timeout tracking",
+        ]
+    },
+    {
+        "version": "2.16.0",
+        "date": "February 2026",
+        "highlights": [
+            "Sub-GHz analyzer with real-time RF capture and protocol decoding",
+            "Weather satellite auto-scheduler with polar plot and ground track map",
+            "SatDump support for local (non-Docker) installs via setup.sh",
+            "Shared waterfall UI across SDR modes",
+            "Listening post audio stuttering fix and SDR race condition fixes",
+            "Multi-arch Docker build support (amd64 + arm64)",
+        ]
+    },
+    {
+        "version": "2.15.0",
+        "date": "February 2026",
+        "highlights": [
+            "Real-time WebSocket waterfall with I/Q capture and server-side FFT",
+            "Cross-module frequency routing from Listening Post to decoders",
+            "Pure Python SSTV decoder replacing broken slowrx dependency",
+            "Real-time signal scope for pager, sensor, and SSTV modes",
+            "USB-level device probe to prevent cryptic rtl_fm crashes",
+            "DMR dsd-fme protocol fixes, tuning controls, and state sync",
+            "SDR device lock-up fix from unreleased device registry on crash",
+        ]
+    },
     {
         "version": "2.14.0",
         "date": "February 2026",
@@ -198,21 +269,47 @@ ADSB_HISTORY_QUEUE_SIZE = _get_env_int('ADSB_HISTORY_QUEUE_SIZE', 50000)
 
 # Observer location settings
 SHARED_OBSERVER_LOCATION_ENABLED = _get_env_bool('SHARED_OBSERVER_LOCATION', True)
+DEFAULT_LATITUDE = _get_env_float('DEFAULT_LAT', 0.0)
+DEFAULT_LONGITUDE = _get_env_float('DEFAULT_LON', 0.0)
 
 # Satellite settings
 SATELLITE_UPDATE_INTERVAL = _get_env_int('SATELLITE_UPDATE_INTERVAL', 30)
 SATELLITE_TRAJECTORY_POINTS = _get_env_int('SATELLITE_TRAJECTORY_POINTS', 30)
 SATELLITE_ORBIT_MINUTES = _get_env_int('SATELLITE_ORBIT_MINUTES', 45)
 
+# Weather satellite settings
+WEATHER_SAT_DEFAULT_GAIN = _get_env_float('WEATHER_SAT_GAIN', 40.0)
+WEATHER_SAT_SAMPLE_RATE = _get_env_int('WEATHER_SAT_SAMPLE_RATE', 1000000)
+WEATHER_SAT_MIN_ELEVATION = _get_env_float('WEATHER_SAT_MIN_ELEVATION', 15.0)
+WEATHER_SAT_PREDICTION_HOURS = _get_env_int('WEATHER_SAT_PREDICTION_HOURS', 24)
+WEATHER_SAT_SCHEDULE_REFRESH_MINUTES = _get_env_int('WEATHER_SAT_SCHEDULE_REFRESH_MINUTES', 30)
+WEATHER_SAT_CAPTURE_BUFFER_SECONDS = _get_env_int('WEATHER_SAT_CAPTURE_BUFFER_SECONDS', 30)
+
+# SubGHz transceiver settings (HackRF)
+SUBGHZ_DEFAULT_FREQUENCY = _get_env_float('SUBGHZ_FREQUENCY', 433.92)
+SUBGHZ_DEFAULT_SAMPLE_RATE = _get_env_int('SUBGHZ_SAMPLE_RATE', 2000000)
+SUBGHZ_DEFAULT_LNA_GAIN = _get_env_int('SUBGHZ_LNA_GAIN', 32)
+SUBGHZ_DEFAULT_VGA_GAIN = _get_env_int('SUBGHZ_VGA_GAIN', 20)
+SUBGHZ_DEFAULT_TX_GAIN = _get_env_int('SUBGHZ_TX_GAIN', 20)
+SUBGHZ_MAX_TX_DURATION = _get_env_int('SUBGHZ_MAX_TX_DURATION', 10)
+SUBGHZ_SWEEP_START_MHZ = _get_env_float('SUBGHZ_SWEEP_START', 300.0)
+SUBGHZ_SWEEP_END_MHZ = _get_env_float('SUBGHZ_SWEEP_END', 928.0)
+
 # Update checking
 GITHUB_REPO = _get_env('GITHUB_REPO', 'smittix/intercept')
 UPDATE_CHECK_ENABLED = _get_env_bool('UPDATE_CHECK_ENABLED', True)
 UPDATE_CHECK_INTERVAL_HOURS = _get_env_int('UPDATE_CHECK_INTERVAL_HOURS', 6)
 
+# Alerting
+ALERT_WEBHOOK_URL = _get_env('ALERT_WEBHOOK_URL', '')
+ALERT_WEBHOOK_SECRET = _get_env('ALERT_WEBHOOK_SECRET', '')
+ALERT_WEBHOOK_TIMEOUT = _get_env_int('ALERT_WEBHOOK_TIMEOUT', 5)
+
 # Admin credentials
 ADMIN_USERNAME = _get_env('ADMIN_USERNAME', 'admin')
 ADMIN_PASSWORD = _get_env('ADMIN_PASSWORD', 'admin')
 
+
 def configure_logging() -> None:
     """Configure application logging."""
     logging.basicConfig(

docker-compose.yml

@@ -1,27 +1,31 @@
 # INTERCEPT - Signal Intelligence Platform
 # Docker Compose configuration for easy deployment
 #
-# Basic usage:
-#   docker compose up -d
+# Basic usage (build locally):
+#   docker compose --profile basic up -d --build
+#
+# Basic usage (pre-built image from registry):
+#   INTERCEPT_IMAGE=ghcr.io/user/intercept:latest docker compose --profile basic up -d
 #
 # With ADS-B history (Postgres):
 #   docker compose --profile history up -d
 
 services:
   intercept:
+    # When INTERCEPT_IMAGE is set, use that pre-built image; otherwise build locally
+    image: ${INTERCEPT_IMAGE:-intercept:latest}
     build: .
     container_name: intercept
     ports:
       - "5050:5050"
     # Privileged mode required for USB SDR device access
-    # Alternatively, use device mapping (see below)
     privileged: true
-    # USB device mapping (alternative to privileged mode)
-    # devices:
-    #   - /dev/bus/usb:/dev/bus/usb
-    # volumes:
-      # Persist data directory
-      # - ./data:/app/data
+    # USB device mapping for all USB devices
+    devices:
+      - /dev/bus/usb:/dev/bus/usb
+    volumes:
+      # Persist decoded images and database across container rebuilds
+      - ./data:/app/data
       # Optional: mount logs directory
       # - ./logs:/app/logs
     environment:
@@ -40,6 +44,9 @@ services:
       - INTERCEPT_ADSB_AUTO_START=${INTERCEPT_ADSB_AUTO_START:-false}
       # Shared observer location across modules
       - INTERCEPT_SHARED_OBSERVER_LOCATION=${INTERCEPT_SHARED_OBSERVER_LOCATION:-true}
+      # Default observer coordinates (set to your location to skip the GPS prompt)
+      # - INTERCEPT_DEFAULT_LAT=${INTERCEPT_DEFAULT_LAT:-0}
+      # - INTERCEPT_DEFAULT_LON=${INTERCEPT_DEFAULT_LON:-0}
     # Network mode for WiFi scanning (requires host network)
     # network_mode: host
     restart: unless-stopped
@@ -53,15 +60,23 @@ services:
   # ADS-B history with Postgres persistence
   # Enable with: docker compose --profile history up -d
   intercept-history:
+    # Same image/build fallback pattern as above
+    image: ${INTERCEPT_IMAGE:-intercept:latest}
     build: .
-    container_name: intercept
+    container_name: intercept-history
     profiles:
       - history
     depends_on:
       - adsb_db
     ports:
       - "5050:5050"
+    # Privileged mode required for USB SDR device access
     privileged: true
+    # USB device mapping for all USB devices
+    devices:
+      - /dev/bus/usb:/dev/bus/usb
+    volumes:
+      - ./data:/app/data
     environment:
       - INTERCEPT_HOST=0.0.0.0
       - INTERCEPT_PORT=5050
@@ -76,6 +91,9 @@ services:
       - INTERCEPT_ADSB_AUTO_START=${INTERCEPT_ADSB_AUTO_START:-false}
       # Shared observer location across modules
       - INTERCEPT_SHARED_OBSERVER_LOCATION=${INTERCEPT_SHARED_OBSERVER_LOCATION:-true}
+      # Default observer coordinates (set to your location to skip the GPS prompt)
+      # - INTERCEPT_DEFAULT_LAT=${INTERCEPT_DEFAULT_LAT:-0}
+      # - INTERCEPT_DEFAULT_LON=${INTERCEPT_DEFAULT_LON:-0}
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "curl", "-sf", "http://localhost:5050/health"]
@@ -94,7 +112,8 @@ services:
       - POSTGRES_USER=intercept
       - POSTGRES_PASSWORD=intercept
     volumes:
-      - ./pgdata:/var/lib/postgresql/data
+      # Default local path (override with PGDATA_PATH for external storage)
+      - ${PGDATA_PATH:-./pgdata}:/var/lib/postgresql/data
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U intercept -d intercept_adsb"]

docs/FEATURES.md

@@ -16,6 +16,14 @@ Complete feature list for all modules.
 - **Doorbells, remotes, and IoT devices**
 - **Smart meters** and utility monitors
 
+## Sub-GHz Analyzer
+
+- **HackRF-based** signal capture and analysis for 300-928 MHz ISM bands
+- **Protocol decoding** - identify and decode common Sub-GHz protocols
+- **Signal replay/transmit** capabilities for authorized testing
+- **Wideband spectrum analysis** with real-time visualization
+- **I/Q capture** - record raw samples for offline analysis
+
 ## AIS Vessel Tracking
 
 - **Real-time vessel tracking** via AIS-catcher on 161.975/162.025 MHz
@@ -84,6 +92,95 @@ Digital Selective Calling (DSC) monitoring on the international maritime distres
 - **SDR conflict detection** - Prevents device collisions with AIS tracking
 - **Alert summary** - Dashboard counts for unacknowledged distress/urgency
 
+## ACARS Messaging
+
+- **Real-time ACARS decoding** via acarsdec
+- **Aircraft datalink messages** - operational, weather, and position reports
+- **Multi-SDR support** - RTL-SDR, HackRF, LimeSDR, Airspy, SDRplay
+- **Message filtering** - filter by message type, flight, or registration
+
+## VDL2 (VHF Data Link Mode 2)
+
+- **Real-time VDL2 decoding** via dumpvdl2 on standard VDL2 frequencies
+- **ACARS-over-AVLC** message capture with full frame parsing
+- **Signal analysis** - frequency, signal level, noise level, SNR, burst length
+- **AVLC frame details** - source/destination addresses, frame type, command/response
+- **Raw JSON inspection** - expandable raw message data for each frame
+- **Multi-frequency monitoring** - simultaneous reception on multiple VDL2 channels
+- **Multi-SDR support** - RTL-SDR, HackRF, LimeSDR, Airspy, SDRplay
+- **CSV/JSON export** - export captured messages for offline analysis
+- **Integrated with ADS-B dashboard** - VDL2 messages linked to aircraft tracking
+
+## Listening Post
+
+- **Wideband frequency scanning** via rtl_power sweep with SNR filtering
+- **Real-time audio monitoring** with FM and SSB demodulation
+- **Cross-module frequency routing** from scanner to decoders
+- **Customizable frequency presets** and band bookmarks
+- **Multi-SDR support** - RTL-SDR, LimeSDR, HackRF, Airspy, SDRplay
+
+## Weather Satellites
+
+- **NOAA APT** and **Meteor LRPT** image decoding via SatDump
+- **Auto-scheduler** with pass prediction and automatic capture
+- **Polar plot** - real-time satellite position on azimuth/elevation display
+- **Ground track map** - orbit path with past/future trajectory
+- **Image gallery** with timestamped decoded imagery
+
+## WebSDR
+
+- **KiwiSDR network integration** for remote HF/shortwave listening
+- **WebSocket audio streaming** from remote receivers
+- **Receiver discovery** with automatic caching
+- **Frequency tuning** with band presets
+
+## ISS SSTV
+
+- **ISS SSTV image reception** on 145.800 MHz FM during special event transmissions
+- **Real-time ISS tracking** with world map and pass predictions
+- **Doppler correction** - optional lat/lon input for real-time frequency shift compensation
+- **Next pass countdown** - time remaining until ISS is overhead
+- **Image gallery** with timestamped decoded imagery
+- **TLE updates** - fetch latest ISS orbital elements
+- **Multi-SDR support** - RTL-SDR, HackRF, LimeSDR, Airspy, SDRplay
+
+## HF SSTV
+
+- **Terrestrial SSTV decoding** across HF (80m-10m), VHF (6m, 2m), and UHF (70cm) bands
+- **Predefined frequency lookup** for 13 active SSTV calling frequencies
+- **Auto-modulation selection** - frequency table maps to correct mode (USB, LSB, FM)
+- **Image gallery** with decoded transmissions
+- **Common modes supported** - PD120, PD180, Martin1, Scottie1, Robot36
+
+## APRS
+
+- **Amateur packet radio** position reports and telemetry via direwolf
+- **Region-specific frequencies** - 144.390 MHz (North America), 144.800 MHz (Europe), and more
+- **Real-time position tracking** on interactive map
+- **Message and telemetry display** from APRS network
+
+## Utility Meter Reading
+
+- **Smart meter monitoring** via rtl_amr for electric, gas, and water meters
+- **Real-time JSON output** with meter ID, consumption, and signal data
+- **Multiple meter protocol support** via rtl_tcp integration
+
+## Space Weather
+
+- **Real-time solar indices** - Solar Flux Index (SFI), Kp index, A-index, sunspot number
+- **NOAA Space Weather Scales** - Geomagnetic storms (G), solar radiation (S), radio blackouts (R)
+- **HF band conditions** - Day/night propagation from HamQSL for 80m through 10m bands
+- **Solar wind monitoring** - Speed, density, and IMF Bz from DSCOVR satellite
+- **X-ray flux chart** - GOES X-ray data with flare class scale (A/B/C/M/X)
+- **Flare probability** - 1-day and 3-day C/M/X-class flare forecasts
+- **Solar imagery** - NASA SDO 193A, 304A, and magnetogram images
+- **D-RAP absorption maps** - HF radio absorption at 5-30 MHz frequency bands
+- **Aurora forecast** - OVATION aurora oval visualization
+- **SWPC alerts** - Real-time space weather alerts and warnings
+- **Active solar regions** - Current sunspot region data with location and area
+- **Auto-refresh** - 5-minute polling with manual refresh option
+- **No SDR required** - Data fetched from NOAA SWPC, NASA SDO, and HamQSL public APIs
+
 ## Satellite Tracking
 
 - **Full-screen dashboard** - dedicated popout with polar plot and ground track
@@ -131,6 +228,52 @@ Digital Selective Calling (DSC) monitoring on the international maritime distres
 - **Proximity radar** visualization
 - **Device type breakdown** chart
 
+## BT Locate (SAR Bluetooth Device Location)
+
+Search and rescue Bluetooth device location with GPS-tagged signal trail mapping.
+
+### Core Features
+- **Target tracking** - Locate devices by MAC address, name pattern, or IRK (Identity Resolving Key)
+- **RPA resolution** - Resolve BLE Resolvable Private Addresses using IRK for tracking devices with randomized addresses
+- **IRK auto-detection** - Extract IRKs from paired devices on macOS and Linux
+- **GPS-tagged signal trail** - Every detection is tagged with GPS coordinates for trail mapping
+- **Proximity bands** - IMMEDIATE (<1m), NEAR (1-5m), FAR (>5m) with color-coded HUD
+- **RSSI history chart** - Real-time signal strength sparkline for trend analysis
+- **Distance estimation** - Log-distance path loss model with environment presets
+- **Audio proximity alerts** - Web Audio API tones that increase in pitch as signal strengthens
+- **Hand-off from Bluetooth mode** - One-click transfer of a device from BT scanner to BT Locate
+
+### Environment Presets
+- **Open Field** (n=2.0) - Free space path loss
+- **Outdoor** (n=2.2) - Typical outdoor environment
+- **Indoor** (n=3.0) - Indoor with walls and obstacles
+
+### Map & Trail
+- Interactive Leaflet map with GPS trail visualization
+- Trail points color-coded by proximity band
+- Polyline connecting detection points for path visualization
+- Supports user-configured tile providers
+
+### Requirements
+- Bluetooth adapter (built-in or USB)
+- GPS receiver (optional, falls back to manual coordinates)
+
+## GPS Mode
+
+Real-time GPS position tracking with live map visualization.
+
+### Features
+- **Live position tracking** - Real-time latitude, longitude, altitude display
+- **Interactive map** - Current position on Leaflet map with track history
+- **Speed and heading** - Real-time speed (km/h) and compass heading
+- **Satellite info** - Number of satellites in view and fix quality
+- **Track recording** - Record GPS tracks with export capability
+- **Accuracy display** - Horizontal and vertical position accuracy (EPX/EPY)
+
+### Requirements
+- USB GPS receiver connected via gpsd
+- gpsd daemon running (`sudo gpsd /dev/ttyUSB0 -F /var/run/gpsd.sock`)
+
 ## TSCM Counter-Surveillance Mode
 
 Technical Surveillance Countermeasures (TSCM) screening for detecting wireless surveillance indicators.

docs/UI_GUIDE.md

@@ -206,14 +206,23 @@ Extended base for full-screen dashboards (maps, visualizations).
 | `listening` | Listening post |
 | `spystations` | Spy stations |
 | `meshtastic` | Mesh networking |
+| `weathersat` | Weather satellites |
+| `sstv_general` | HF SSTV |
+| `gps` | GPS tracking |
+| `websdr` | WebSDR |
+| `subghz` | Sub-GHz analyzer |
+| `bt_locate` | BT Locate |
+| `analytics` | Analytics dashboard |
+| `spaceweather` | Space weather |
+| `dmr` | DMR/P25 digital voice |
 
 ### Navigation Groups
 
 The navigation is organized into groups:
-- **SDR / RF**: Pager, 433MHz, Meters, Aircraft, Vessels, APRS, Listening Post, Spy Stations, Meshtastic
-- **Wireless**: WiFi, Bluetooth
-- **Security**: TSCM
-- **Space**: Satellite, ISS SSTV
+- **SDR / RF**: Pager, 433MHz, Meters, Aircraft, Vessels, APRS, Listening Post, Spy Stations, Meshtastic, WebSDR, SubGHz
+- **Wireless**: WiFi, Bluetooth, BT Locate
+- **Security**: TSCM, Analytics
+- **Space**: Satellite, ISS SSTV, Weather Sat, HF SSTV, GPS, Space Weather
 
 ---
 

docs/USAGE.md

@@ -57,92 +57,153 @@ INTERCEPT automatically detects known trackers:
 - Samsung SmartTag
 - Chipolo
 
+## Sub-GHz Analyzer
+
+1. **Connect HackRF** - Plug in your HackRF One device
+2. **Set Frequency** - Enter a frequency in the 300-928 MHz ISM range or use a preset
+3. **Start Capture** - Click "Start Capture" to begin signal analysis
+4. **View Spectrum** - Real-time spectrum visualization of the selected band
+5. **Protocol Decoding** - Identified protocols are displayed with decoded data
+
+### Supported Protocols
+
+Common ISM band protocols including garage doors, key fobs, weather stations, and IoT devices in the 300-928 MHz range.
+
+## VDL2 (Aircraft Datalink)
+
+1. **Select Hardware** - Choose your SDR type
+2. **Select Device** - Choose your SDR device
+3. **Set Frequencies** - Default VDL2 frequencies are pre-configured (136.975, 136.725, 136.775 MHz etc.)
+4. **Start Decoding** - Click "Start" to begin VDL2 reception via dumpvdl2
+5. **View Messages** - AVLC frames appear with source/destination, signal levels, and decoded content
+6. **Inspect Details** - Click a message to view full AVLC frame details and raw JSON
+7. **Export** - Use CSV or JSON export buttons to save captured messages
+
+### Tips
+
+- VDL2 is most active near airports and along flight corridors
+- Multiple frequencies can be monitored simultaneously for better coverage
+- VDL2 data is also accessible from the ADS-B dashboard
+
+## Listening Post
+
+1. **Select Hardware** - Choose your SDR type
+2. **Set Frequency Range** - Define start and end frequencies for scanning
+3. **Start Scanning** - Click "Start Scan" for wideband sweep
+4. **View Signals** - Discovered signals are listed with frequency and SNR
+5. **Tune In** - Click a signal to tune the audio demodulator
+6. **Listen** - Real-time audio plays in your browser
+
+### Demodulation Modes
+
+- **FM** - Narrowband and wideband FM
+- **SSB** - Upper and lower sideband for amateur radio and shortwave
+
 ## Aircraft Mode (ADS-B)
 
 1. **Select Hardware** - Choose your SDR type (RTL-SDR uses dump1090, others use readsb)
 2. **Check Tools** - Ensure dump1090 or readsb is installed
-3. **Set Location** - Choose location source:
-   - **Manual Entry** - Type coordinates directly
-   - **Browser GPS** - Use browser's built-in geolocation (requires HTTPS)
-   - **USB GPS Dongle** - Connect a USB GPS receiver for continuous updates
-   - **Shared Location** - By default, the observer location is shared across modules
-     (disable with `INTERCEPT_SHARED_OBSERVER_LOCATION=false`)
-4. **Start Tracking** - Click "Start Tracking" to begin ADS-B reception
-5. **View Map** - Aircraft appear on the interactive Leaflet map
+3. **Set Location** - Choose location source:
+   - **Manual Entry** - Type coordinates directly
+   - **Browser GPS** - Use browser's built-in geolocation (requires HTTPS)
+   - **USB GPS Dongle** - Connect a USB GPS receiver for continuous updates
+   - **Shared Location** - By default, the observer location is shared across modules
+     (disable with `INTERCEPT_SHARED_OBSERVER_LOCATION=false`)
+4. **Start Tracking** - Click "Start Tracking" to begin ADS-B reception
+5. **View Map** - Aircraft appear on the interactive Leaflet map
 6. **Click Aircraft** - Click markers for detailed information
 7. **Display Options** - Toggle callsigns, altitude, trails, range rings, clustering
 8. **Filter Aircraft** - Use dropdown to show all, military, civil, or emergency only
-9. **Full Dashboard** - Click "Full Screen Dashboard" for dedicated radar view
-
-> Note: ADS-B auto-start is disabled by default. To enable auto-start on dashboard load,
-> set `INTERCEPT_ADSB_AUTO_START=true`.
+9. **Full Dashboard** - Click "Full Screen Dashboard" for dedicated radar view
+
+> Note: ADS-B auto-start is disabled by default. To enable auto-start on dashboard load,
+> set `INTERCEPT_ADSB_AUTO_START=true`.
 
 ### Emergency Squawks
 
-The system highlights aircraft transmitting emergency squawks:
-- **7500** - Hijack
-- **7600** - Radio failure
-- **7700** - General emergency
-
-## ADS-B History (Optional)
-
-The history dashboard persists aircraft messages and per-aircraft snapshots to Postgres for long-running tracking and reporting.
-
-### Enable History
-
-Set the following environment variables (Docker recommended):
-
-| Variable | Default | Description |
-|----------|---------|-------------|
-| `INTERCEPT_ADSB_HISTORY_ENABLED` | `false` | Enables history storage and reporting |
-| `INTERCEPT_ADSB_DB_HOST` | `localhost` | Postgres host (use `adsb_db` in Docker) |
-| `INTERCEPT_ADSB_DB_PORT` | `5432` | Postgres port |
-| `INTERCEPT_ADSB_DB_NAME` | `intercept_adsb` | Database name |
-| `INTERCEPT_ADSB_DB_USER` | `intercept` | Database user |
-| `INTERCEPT_ADSB_DB_PASSWORD` | `intercept` | Database password |
-
-### Other ADS-B Settings
-
-| Variable | Default | Description |
-|----------|---------|-------------|
-| `INTERCEPT_ADSB_AUTO_START` | `false` | Auto-start ADS-B tracking when the dashboard loads |
-| `INTERCEPT_SHARED_OBSERVER_LOCATION` | `true` | Share observer location across ADS-B/AIS/SSTV/Satellite modules |
-
-**Local install example**
-
-```bash
-INTERCEPT_ADSB_AUTO_START=true \
-INTERCEPT_SHARED_OBSERVER_LOCATION=false \
-python app.py
-```
-
-**Docker example (.env)**
-
-```bash
-INTERCEPT_ADSB_AUTO_START=true
-INTERCEPT_SHARED_OBSERVER_LOCATION=false
-```
-
-### Docker Setup
-
-`docker-compose.yml` includes an `adsb_db` service and a persistent volume for history storage:
-
-```bash
-docker compose --profile history up -d
-```
-
-To store Postgres data on external storage, set `PGDATA_PATH` (defaults to `./pgdata`):
-
-```bash
-PGDATA_PATH=/mnt/usbpi1/intercept/pgdata
-```
-
-### Using the History Dashboard
-
-1. Open **/adsb/history**
-2. Use **Start Tracking** to run ADS-B in headless mode
-3. View aircraft history and timelines
-4. Stop tracking when desired (session history is recorded)
+The system highlights aircraft transmitting emergency squawks:
+- **7500** - Hijack
+- **7600** - Radio failure
+- **7700** - General emergency
+
+## ACARS Messaging
+
+1. **Select Hardware** - Choose your SDR type
+2. **Select Device** - Choose your SDR device
+3. **Select Region** - Choose North America, Europe, or Asia-Pacific to auto-populate frequencies
+4. **Select Frequencies** - Check one or more ACARS frequencies (131.550 MHz primary worldwide, 130.025 MHz secondary USA/Canada, etc.)
+5. **Adjust Gain** - Set gain (0 for auto, or 0-50 dB)
+6. **Start Decoding** - Click "Start" to begin ACARS reception via acarsdec
+7. **View Messages** - Aircraft messages appear in real-time with flight ID, registration, and content
+
+### Tips
+
+- A vertical polarization antenna works best for ACARS
+- Quarter-wave dipole: 57 cm per element at 130 MHz
+- Stock SDR antenna may work at close range near airports
+- Outdoor placement with clear sky view significantly improves reception
+
+## ADS-B History (Optional)
+
+The history dashboard persists aircraft messages and per-aircraft snapshots to Postgres for long-running tracking and reporting.
+
+### Enable History
+
+Set the following environment variables (Docker recommended):
+
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `INTERCEPT_ADSB_HISTORY_ENABLED` | `false` | Enables history storage and reporting |
+| `INTERCEPT_ADSB_DB_HOST` | `localhost` | Postgres host (use `adsb_db` in Docker) |
+| `INTERCEPT_ADSB_DB_PORT` | `5432` | Postgres port |
+| `INTERCEPT_ADSB_DB_NAME` | `intercept_adsb` | Database name |
+| `INTERCEPT_ADSB_DB_USER` | `intercept` | Database user |
+| `INTERCEPT_ADSB_DB_PASSWORD` | `intercept` | Database password |
+
+### Other ADS-B Settings
+
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `INTERCEPT_ADSB_AUTO_START` | `false` | Auto-start ADS-B tracking when the dashboard loads |
+| `INTERCEPT_SHARED_OBSERVER_LOCATION` | `true` | Share observer location across ADS-B/AIS/SSTV/Satellite modules |
+
+**Local install example**
+
+```bash
+INTERCEPT_ADSB_AUTO_START=true \
+INTERCEPT_SHARED_OBSERVER_LOCATION=false \
+python app.py
+```
+
+**Docker example (.env)**
+
+```bash
+INTERCEPT_ADSB_AUTO_START=true
+INTERCEPT_SHARED_OBSERVER_LOCATION=false
+```
+
+### Docker Setup
+
+`docker-compose.yml` includes an `adsb_db` service and a persistent volume for history storage:
+
+```bash
+docker compose --profile history up -d
+```
+
+To store Postgres data on external storage, set `PGDATA_PATH` (defaults to `./pgdata`):
+
+```bash
+PGDATA_PATH=/mnt/usbpi1/intercept/pgdata
+```
+
+### Using the History Dashboard
+
+1. Open **/adsb/history**
+2. Use **Start Tracking** to run ADS-B in headless mode
+3. View aircraft history and timelines
+4. Stop tracking when desired (session history is recorded)
+
+If the History dashboard shows **HISTORY DISABLED**, enable `INTERCEPT_ADSB_HISTORY_ENABLED=true` and ensure Postgres is running.
 
 ## Satellite Mode
 
@@ -163,6 +224,236 @@ PGDATA_PATH=/mnt/usbpi1/intercept/pgdata
 3. Choose a category (Amateur, Weather, ISS, Starlink, etc.)
 4. Select satellites to add
 
+## Weather Satellites
+
+1. **Set Location** - Enter observer coordinates or use GPS
+2. **Select Satellite** - Choose NOAA (APT) or Meteor (LRPT)
+3. **View Passes** - Upcoming passes shown with polar plot and ground track
+4. **Start Capture** - Click "Start Capture" when a satellite is overhead, or enable auto-scheduler
+5. **View Images** - Decoded imagery appears in the gallery
+
+### Auto-Scheduler
+
+Enable the auto-scheduler to automatically capture passes:
+- Calculates upcoming NOAA and Meteor passes for your location
+- Starts SatDump at the correct time and frequency
+- Decoded images are saved with timestamps
+
+## Space Weather
+
+1. **Switch to Space Weather mode** - Select "Space Weather" from the Space navigation group
+2. **View Dashboard** - Solar indices, NOAA scales, band conditions, and charts load automatically
+3. **Solar Imagery** - Toggle between SDO 193A, 304A, and Magnetogram views
+4. **D-RAP Maps** - Select frequency (5-30 MHz) to view HF radio absorption maps
+5. **Aurora Forecast** - View the OVATION aurora oval for the northern hemisphere
+6. **Alerts** - Review current SWPC space weather alerts and warnings
+7. **Active Regions** - View solar active region data (number, location, area)
+8. **Refresh** - Data auto-refreshes every 5 minutes, or click "Refresh Now"
+
+### Tips
+
+- No SDR hardware required — all data comes from public APIs (NOAA SWPC, NASA SDO, HamQSL)
+- Check HF band conditions before operating on shortwave frequencies
+- Kp >= 5 indicates geomagnetic storm conditions that may affect HF propagation
+- D-RAP maps show where HF absorption is highest — useful for path planning
+- Solar imagery updates approximately every 15 minutes from NASA SDO
+
+## AIS Vessel Tracking
+
+1. **Select Hardware** - Choose your SDR type
+2. **Start Tracking** - Click "Start Tracking" to monitor AIS frequencies (161.975/162.025 MHz)
+3. **View Map** - Vessels appear on the interactive maritime map
+4. **Click Vessels** - View name, MMSI, callsign, destination, speed, heading
+5. **Full Dashboard** - Click "Full Screen Dashboard" for dedicated maritime view
+
+### VHF DSC Channel 70
+
+Digital Selective Calling monitoring runs alongside AIS:
+- Distress, Urgency, Safety, and Routine messages
+- Distress positions plotted with pulsing alert markers
+- Audio alerts for critical messages
+
+## WebSDR
+
+1. **Set Frequency** - Enter a frequency in kHz (e.g., 6500 for 6.5 MHz)
+2. **Select Mode** - Choose demodulation mode (USB, LSB, AM, CW)
+3. **Find Receivers** - Click "Find Receivers" to discover available KiwiSDR nodes worldwide
+4. **Select Receiver** - Click a receiver from the list to connect
+5. **Listen** - Audio streams in real-time via WebSocket
+6. **Adjust Volume** - Use the volume slider and monitor the S-meter
+7. **Spy Station Presets** - Use the quick-tune buttons to jump to known number station frequencies
+
+### Tips
+
+- Requires an internet connection to access the KiwiSDR network
+- Receiver list is cached for 1 hour to reduce API load
+- Receivers are sorted by distance from your location
+- Integrated spy station presets allow quick tuning to SIGINT targets
+
+## ISS SSTV
+
+1. **Select Hardware** - Choose your SDR type
+2. **Select Device** - Choose your SDR device
+3. **Set Frequency** - Default is 145.800 MHz (ISS downlink)
+4. **Set Location** - Enter lat/lon for Doppler correction and pass prediction
+5. **Update TLE** - Click "Update TLE" to fetch latest ISS orbital elements
+6. **Wait for Pass** - The next pass countdown shows when ISS will be overhead
+7. **Start Decoding** - Click "Start" to begin SSTV reception
+8. **View Images** - Decoded SSTV images appear in the gallery with timestamps
+
+### Tips
+
+- A V-dipole or better antenna is required (stock antenna will not work)
+- V-dipole construction: 51 cm per element at 145.8 MHz, 120-degree angle between elements
+- ISS SSTV events occur during special anniversaries and missions — check ARISS for schedules
+- Best passes have elevation > 30 degrees above horizon
+- Doppler shift tracking dramatically improves reception quality
+- Common SSTV modes: PD120, PD180, Martin1, Scottie1
+- Outdoor antenna placement with clear sky view is essential
+
+## HF SSTV
+
+1. **Select Hardware** - Choose your SDR type
+2. **Select Device** - Choose your SDR device
+3. **Select Frequency** - Choose from 13 preset frequencies or enter a custom one
+4. **Modulation** - Auto-selected based on frequency (USB for HF, FM for VHF/UHF)
+5. **Start Decoding** - Click "Start" to begin SSTV reception
+6. **View Images** - Decoded amateur radio images appear in the gallery
+
+### Tips
+
+- HF frequencies (3-30 MHz) require an upconverter with RTL-SDR
+- VHF/UHF frequencies (145 MHz, 433 MHz) work directly with RTL-SDR
+- Most popular frequency: 14.230 MHz USB (20m band) with regular activity
+- Weekend activity peaks on most HF bands
+- Amateur license is not required to receive (listen-only)
+
+## APRS
+
+1. **Select Hardware** - Choose your SDR type
+2. **Set Frequency** - Defaults to regional APRS frequency (144.390 MHz NA, 144.800 MHz EU)
+3. **Start Decoding** - Click "Start Decoding" to begin packet radio reception via direwolf
+4. **View Map** - Station positions appear on the interactive map
+5. **View Messages** - Position reports, telemetry, and messages displayed in real time
+
+## Utility Meters
+
+1. **Start Monitoring** - Click "Start" to begin meter broadcast reception via rtl_amr
+2. **View Meters** - Decoded meter data appears with meter ID, type, and consumption
+3. **Filter** - Filter by meter type (electric, gas, water) or meter ID
+
+## BT Locate (SAR Device Location)
+
+1. **Set Target** - Enter one or more target identifiers:
+   - **MAC Address** - Exact Bluetooth address (AA:BB:CC:DD:EE:FF)
+   - **Name Pattern** - Substring match (e.g., "iPhone", "Galaxy")
+   - **IRK** - 32-character hex Identity Resolving Key for RPA resolution
+   - **Detect IRKs** - Click "Detect" to auto-extract IRKs from paired devices
+2. **Choose Environment** - Select the RF environment preset:
+   - **Open Field** (n=2.0) - Best for open areas with line-of-sight
+   - **Outdoor** (n=2.2) - Default, works well in most outdoor settings
+   - **Indoor** (n=3.0) - For buildings with walls and obstacles
+3. **Start Locate** - Click "Start Locate" to begin tracking
+4. **Monitor HUD** - The proximity display shows:
+   - Proximity band (IMMEDIATE / NEAR / FAR)
+   - Estimated distance in meters
+   - Raw RSSI and smoothed RSSI average
+   - Detection count and GPS-tagged points
+5. **Follow the Signal** - Move towards stronger signal (higher RSSI / closer distance)
+6. **Audio Alerts** - Enable audio for proximity tones that increase in pitch as you get closer
+7. **Review Trail** - Check the map for GPS-tagged detection trail
+
+### Hand-off from Bluetooth Mode
+
+1. Open Bluetooth scanning mode and find the target device
+2. Click the "Locate" button on the device card
+3. BT Locate opens with the device pre-filled
+4. Click "Start Locate" to begin tracking
+
+### Tips
+
+- For devices with address randomization (iPhones, modern Android), use the IRK method
+- Click "Detect" next to the IRK field to auto-extract IRKs from paired devices
+- The RSSI chart shows signal trend over time — use it to determine if you're getting closer
+- Clear the trail when starting a new search area
+
+## GPS Mode
+
+1. **Start GPS** - Click "Start" to connect to gpsd and begin position tracking
+2. **View Map** - Your position appears on the interactive map with a track trail
+3. **Monitor Stats** - Speed, heading, altitude, and satellite count displayed in real-time
+4. **Record Track** - Enable track recording to save your path
+
+### Tips
+
+- Ensure gpsd is running: `sudo gpsd /dev/ttyUSB0 -F /var/run/gpsd.sock`
+- GPS fix may take 30-60 seconds after cold start
+- Accuracy improves with more satellites in view
+
+## TSCM (Counter-Surveillance)
+
+1. **Select Sweep Type** - Choose from Quick Scan (2 min), Standard (5 min), Full Sweep (15 min), or presets for Wireless Cameras, Body-Worn Devices, or GPS Trackers
+2. **Select Scan Sources** - Toggle WiFi, Bluetooth, and/or RF/SDR scanning and select the appropriate interfaces
+3. **Select Baseline** - Optionally choose a previously recorded baseline to compare against
+4. **Start Sweep** - Click "Start Sweep" to begin scanning
+5. **Review Results** - Detected devices are classified and scored by threat level
+6. **Record Baseline** - In a known clean environment, record a baseline for future comparison
+7. **Export Report** - Generate PDF report, JSON annex, or CSV data
+
+### Threat Levels
+
+- **Informational (0-2)** - Known or expected devices
+- **Needs Review (3-5)** - Unusual devices requiring assessment
+- **High Interest (6+)** - Multiple indicators warrant investigation
+
+### Tips
+
+- Record a baseline in a known clean environment before conducting sweeps
+- Use the meeting window feature to flag new RF signatures during sensitive periods
+- Full functionality requires WiFi adapter, Bluetooth adapter, and SDR hardware
+- Threat detection uses a database of 47K+ known tracker fingerprints
+
+## Spy Stations
+
+1. **Browse Database** - View the full list of documented number stations and diplomatic networks
+2. **Filter by Type** - Toggle between Number Stations and Diplomatic Networks
+3. **Filter by Country** - Select specific countries (Russia, Cuba, Israel, Poland, etc.)
+4. **Filter by Mode** - Filter by demodulation mode (USB, AM, CW, OFDM)
+5. **View Details** - Click "Details" on a station card for full information
+6. **Tune In** - Click "Tune In" to route the station frequency to the Listening Post or WebSDR
+
+### Tips
+
+- Data sourced from priyom.org (non-profit monitoring community)
+- Most activity is on HF bands (3-30 MHz) — propagation varies by time of day
+- Notable stations: UVB-76 "The Buzzer" (4625 kHz), E06 English Man, HM01 Cuban Numbers
+- Legal to monitor in most countries (check local regulations)
+- No decryption or content decoding is included — this is a reference database
+
+## Meshtastic
+
+1. **Connect Device** - Plug in a Meshtastic device via USB or connect via TCP
+2. **Start** - Click "Start" to connect to the mesh network
+3. **View Messages** - Real-time message stream from the mesh
+4. **View Nodes** - Connected nodes displayed with signal metrics (RSSI, SNR)
+5. **Send Messages** - Type messages to broadcast on the mesh
+
+## Offline Mode
+
+1. **Open Settings** - Click the gear icon in the navigation bar
+2. **Offline Tab** - Toggle "Offline Mode" to enable local assets
+3. **Configure Sources** - Switch assets and fonts from CDN to local
+4. **Set Tile Provider** - Choose a map tile provider or enter a custom tile server URL
+5. **Check Assets** - Click "Check Assets" to verify all local files are present
+
+### Tips
+
+- Download required assets: Leaflet JS/CSS, Chart.js, Inter and JetBrains Mono fonts
+- Assets are stored in the `static/vendor/` directory
+- For maps, you need a local tile server (e.g., self-hosted OpenStreetMap tiles)
+- Missing assets fail gracefully with console warnings
+- Useful for air-gapped environments, field deployments, or reducing latency
+
 ## Remote Agents (Distributed SIGINT)
 
 Deploy lightweight sensor nodes across multiple locations and aggregate data to a central controller.

docs/index.html

@@ -11,6 +11,7 @@
     <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
 </head>
 <body>
+    <canvas id="bg-canvas"></canvas>
     <nav class="navbar">
         <div class="nav-container">
             <a href="#" class="nav-logo">iNTERCEPT</a>
@@ -35,7 +36,7 @@
             </div>
             <div class="hero-stats">
                 <div class="stat">
-                    <span class="stat-value">15+</span>
+                    <span class="stat-value">25+</span>
                     <span class="stat-label">Modes</span>
                 </div>
                 <div class="stat">
@@ -58,97 +59,148 @@
             <h2>Capabilities</h2>
             <p class="section-subtitle">Everything you need for signal intelligence in one interface</p>
 
-            <div class="features-grid">
-                <div class="feature-card">
-                    <div class="feature-icon">📟</div>
-                    <h3>Pager Decoding</h3>
-                    <p>Decode POCSAG and FLEX pager messages using rtl_fm and multimon-ng. Monitor emergency services and legacy paging systems.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">✈️</div>
-                    <h3>Aircraft Tracking</h3>
-                    <p>Real-time ADS-B tracking with interactive maps, aircraft photos, emergency squawk detection, and range visualization.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">📡</div>
-                    <h3>433MHz Sensors</h3>
-                    <p>Decode 200+ protocols including weather stations, TPMS, smart home devices, and IoT sensors via rtl_433.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">📻</div>
-                    <h3>Listening Post</h3>
-                    <p>Frequency scanner with real-time audio monitoring, fine-tuning controls, and customizable frequency presets.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🛰️</div>
-                    <h3>Satellite Tracking</h3>
-                    <p>Track satellites with TLE data, sky plots, ground track visualization, and pass predictions for your location.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">📶</div>
-                    <h3>WiFi Scanning</h3>
-                    <p>Monitor mode reconnaissance via aircrack-ng. Network discovery, client tracking, and handshake capture.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🔵</div>
-                    <h3>Bluetooth Scanning</h3>
-                    <p>Device discovery with tracker detection for AirTags, Tile, Samsung SmartTag, and other Bluetooth devices.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🛡️</div>
-                    <h3>TSCM</h3>
-                    <p>Counter-surveillance with baseline recording, threat detection, device correlation, and risk scoring.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">⚡</div>
-                    <h3>Meter Reading</h3>
-                    <p>Intercept smart utility meters via rtl_amr. Monitor electricity, gas, and water meter transmissions.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🚢</div>
-                    <h3>Vessel Tracking</h3>
-                    <p>Real-time AIS ship tracking via AIS-catcher. Monitor maritime traffic with vessel details, course, speed, and destination.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🔢</div>
-                    <h3>Spy Stations</h3>
-                    <p>Number stations and diplomatic HF network database. Frequencies, schedules, and background info from priyom.org.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🌐</div>
-                    <h3>Remote Agents</h3>
-                    <p>Distributed signal intelligence with remote sensor nodes. Deploy agents across multiple locations and aggregate data to a central controller.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">📴</div>
-                    <h3>Offline Mode</h3>
-                    <p>Run without internet using bundled assets. Choose from multiple map tile providers or use your own local tile server.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">📡</div>
-                    <h3>Meshtastic</h3>
-                    <p>LoRa mesh network integration. Connect to Meshtastic devices for decentralized, long-range communication monitoring.</p>
-                </div>
-
-                <div class="feature-card">
-                    <div class="feature-icon">🖼️</div>
-                    <h3>ISS SSTV</h3>
-                    <p>Receive Slow Scan Television from the ISS. Real-time tracking globe, pass predictions, and image decoding.</p>
-                </div>
+            <div class="carousel-filters">
+                <button class="filter-btn active" data-filter="all">All</button>
+                <button class="filter-btn" data-filter="sdr">SDR / RF</button>
+                <button class="filter-btn" data-filter="aviation">Aviation & Maritime</button>
+                <button class="filter-btn" data-filter="space">Space & Satellite</button>
+                <button class="filter-btn" data-filter="wireless">Wireless & Security</button>
+                <button class="filter-btn" data-filter="platform">Platform</button>
             </div>
+
+            <div class="carousel-wrapper">
+                <button class="carousel-arrow carousel-arrow-left" aria-label="Scroll left">&#8249;</button>
+                <div class="carousel-track">
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="5" width="20" height="14" rx="2"/><line x1="6" y1="9" x2="6" y2="15"/><line x1="10" y1="9" x2="10" y2="15"/><line x1="14" y1="11" x2="18" y2="11"/><line x1="14" y1="13" x2="18" y2="13"/></svg></div>
+                        <h3>Pager Decoding</h3>
+                        <p>Decode POCSAG and FLEX pager messages using rtl_fm and multimon-ng. Monitor emergency services and legacy paging systems.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2v4"/><path d="M12 18v4"/><circle cx="12" cy="12" r="4"/><path d="M4.93 4.93l2.83 2.83"/><path d="M16.24 16.24l2.83 2.83"/><path d="M2 12h4"/><path d="M18 12h4"/><path d="M4.93 19.07l2.83-2.83"/><path d="M16.24 7.76l2.83-2.83"/></svg></div>
+                        <h3>433MHz Sensors</h3>
+                        <p>Decode 200+ protocols including weather stations, TPMS, smart home devices, and IoT sensors via rtl_433.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M2 12h4l3-9 6 18 3-9h4"/></svg></div>
+                        <h3>Sub-GHz Analyzer</h3>
+                        <p>HackRF-based signal capture and protocol decoding for 300-928 MHz ISM bands with spectrum analysis and replay.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 18.5a6.5 6.5 0 1 1 0-13"/><path d="M17 12h5"/><path d="M12 7V2"/><circle cx="12" cy="12" r="2"/><path d="M8.5 8.5L5 5"/></svg></div>
+                        <h3>Listening Post</h3>
+                        <p>Frequency scanner with real-time audio monitoring, fine-tuning controls, and customizable frequency presets.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/></svg></div>
+                        <h3>WebSDR</h3>
+                        <p>Remote HF/shortwave listening via the KiwiSDR network. Access receivers worldwide with real-time audio streaming.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="4" y="4" width="16" height="16" rx="2"/><path d="M8 8h2v2H8z"/><path d="M14 8h2v2h-2z"/><path d="M8 14h2v2H8z"/><path d="M14 14h2v2h-2z"/><path d="M11 8h2v2h-2z"/><path d="M11 11h2v2h-2z"/></svg></div>
+                        <h3>Spy Stations</h3>
+                        <p>Number stations and diplomatic HF network database. Frequencies, schedules, and background info from priyom.org.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/><circle cx="12" cy="10" r="3"/></svg></div>
+                        <h3>APRS</h3>
+                        <p>Amateur packet radio position reports and telemetry via direwolf. Track amateur radio operators on an interactive map.</p>
+                    </div>
+                    <div class="feature-card" data-category="sdr">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M13 2L3 14h9l-1 8 10-12h-9l1-8z"/></svg></div>
+                        <h3>Utility Meters</h3>
+                        <p>Smart meter monitoring via rtl_amr. Receive electric, gas, and water meter broadcasts in real time.</p>
+                    </div>
+                    <div class="feature-card" data-category="aviation">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M17.8 19.2L16 11l3.5-3.5C21 6 21.5 4 21 3c-1-.5-3 0-4.5 1.5L13 8 4.8 6.2c-.5-.1-.9.1-1.1.5l-.3.5c-.2.5-.1 1 .3 1.3L9 12l-2 3H4l-1 1 3 2 2 3 1-1v-3l3-2 3.5 5.3c.3.4.8.5 1.3.3l.5-.2c.4-.3.6-.7.5-1.2z"/></svg></div>
+                        <h3>Aircraft Tracking</h3>
+                        <p>Real-time ADS-B tracking with interactive maps, aircraft photos, emergency squawk detection, and range visualization.</p>
+                    </div>
+                    <div class="feature-card" data-category="aviation">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="16" rx="2"/><path d="M7 8h10"/><path d="M7 12h6"/><path d="M7 16h8"/></svg></div>
+                        <h3>ACARS</h3>
+                        <p>Aircraft datalink messages via acarsdec. Decode operational, weather, and position reports from commercial flights.</p>
+                    </div>
+                    <div class="feature-card" data-category="aviation">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 5v14"/><path d="M5 12h14"/><circle cx="12" cy="12" r="9"/><path d="M3.5 9h17"/><path d="M3.5 15h17"/></svg></div>
+                        <h3>VDL2</h3>
+                        <p>VHF Data Link Mode 2 aircraft datalink decoding via dumpvdl2. Real-time ACARS-over-AVLC message capture with signal analysis.</p>
+                    </div>
+                    <div class="feature-card" data-category="aviation">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M2 20l4-4h3l4-7 2 4h2l5-9"/><path d="M22 20H2"/><path d="M6 16v4"/></svg></div>
+                        <h3>Vessel Tracking</h3>
+                        <p>Real-time AIS ship tracking via AIS-catcher. Monitor maritime traffic with vessel details, course, speed, and destination.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><path d="M12 1v4"/><path d="M12 19v4"/><path d="M5 5l2 2"/><path d="M17 17l2 2"/><path d="M1 12h4"/><path d="M19 12h4"/><path d="M5 19l2-2"/><path d="M17 7l2-2"/><ellipse cx="12" cy="12" rx="10" ry="4" transform="rotate(45 12 12)"/></svg></div>
+                        <h3>Satellite Tracking</h3>
+                        <p>Track satellites with TLE data, sky plots, ground track visualization, and pass predictions for your location.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2v2"/><path d="M12 20v2"/><path d="m4.93 4.93 1.41 1.41"/><path d="m17.66 17.66 1.41 1.41"/><path d="M2 12h2"/><path d="M20 12h2"/><path d="m6.34 17.66-1.41 1.41"/><path d="m19.07 4.93-1.41 1.41"/><circle cx="12" cy="12" r="4"/><path d="M16 12a4 4 0 0 0-4-4"/></svg></div>
+                        <h3>Weather Satellites</h3>
+                        <p>NOAA APT and Meteor LRPT image decoding via SatDump with auto-scheduler, polar plot, and ground track map.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="8.5" cy="8.5" r="1.5"/><path d="M21 15l-5-5L5 21"/></svg></div>
+                        <h3>ISS SSTV</h3>
+                        <p>Receive Slow Scan Television from the ISS. Real-time tracking globe, pass predictions, and image decoding.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><path d="M3 9h18"/><path d="M9 3v18"/></svg></div>
+                        <h3>HF SSTV</h3>
+                        <p>Terrestrial SSTV on shortwave frequencies. Decode amateur radio image transmissions across HF, VHF, and UHF bands.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="M12 2a14.5 14.5 0 0 0 0 20 14.5 14.5 0 0 0 0-20"/><path d="M2 12h20"/><path d="M12 8l4 4-4 4"/></svg></div>
+                        <h3>GPS Tracking</h3>
+                        <p>Real-time GPS position tracking with live map, speed, heading, altitude, satellite info, and track recording.</p>
+                    </div>
+                    <div class="feature-card" data-category="space">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg></div>
+                        <h3>Space Weather</h3>
+                        <p>Real-time solar and geomagnetic monitoring. Kp index, HF band conditions, solar imagery, D-RAP maps, and aurora forecasts from NOAA SWPC.</p>
+                    </div>
+                    <div class="feature-card" data-category="wireless">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M5 12.55a11 11 0 0 1 14.08 0"/><path d="M1.42 9a16 16 0 0 1 21.16 0"/><path d="M8.53 16.11a6 6 0 0 1 6.95 0"/><circle cx="12" cy="20" r="1"/></svg></div>
+                        <h3>WiFi Scanning</h3>
+                        <p>Monitor mode reconnaissance via aircrack-ng. Network discovery, client tracking, and handshake capture.</p>
+                    </div>
+                    <div class="feature-card" data-category="wireless">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="10" r="6"/><path d="M12 16v5"/><path d="M8 21h8"/><path d="M9.5 7.5L12 10l2.5-2.5"/></svg></div>
+                        <h3>Bluetooth Scanning</h3>
+                        <p>Device discovery with tracker detection for AirTags, Tile, Samsung SmartTag, and other Bluetooth devices.</p>
+                    </div>
+                    <div class="feature-card" data-category="wireless">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><circle cx="12" cy="12" r="7" stroke-dasharray="4 2"/><circle cx="12" cy="12" r="11" stroke-dasharray="2 3"/><line x1="12" y1="1" x2="12" y2="3"/></svg></div>
+                        <h3>BT Locate</h3>
+                        <p>SAR Bluetooth device location with GPS-tagged signal trail mapping, IRK-based RPA resolution, and proximity audio alerts.</p>
+                    </div>
+                    <div class="feature-card" data-category="wireless">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22s-8-4.5-8-11.8A8 8 0 0 1 12 2a8 8 0 0 1 8 8.2c0 7.3-8 11.8-8 11.8z"/><circle cx="12" cy="10" r="3"/><path d="M12 2v3"/><path d="M4.93 4.93l2.12 2.12"/><path d="M20 12h-3"/></svg></div>
+                        <h3>TSCM</h3>
+                        <p>Counter-surveillance with baseline recording, threat detection, device correlation, and risk scoring.</p>
+                    </div>
+                    <div class="feature-card" data-category="wireless">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/></svg></div>
+                        <h3>Meshtastic</h3>
+                        <p>LoRa mesh network integration. Connect to Meshtastic devices for decentralized, long-range communication monitoring.</p>
+                    </div>
+                    <div class="feature-card" data-category="platform">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/><circle cx="9" cy="10" r="1.5"/><circle cx="15" cy="10" r="1.5"/><path d="M5 10h2"/><path d="M17 10h2"/></svg></div>
+                        <h3>Remote Agents</h3>
+                        <p>Distributed signal intelligence with remote sensor nodes. Deploy agents across multiple locations and aggregate data to a central controller.</p>
+                    </div>
+                    <div class="feature-card" data-category="platform">
+                        <div class="feature-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M18.36 6.64A9 9 0 0 1 20.77 15"/><path d="M6.16 6.16a9 9 0 0 0-2.57 8.84"/><path d="M12 2v4"/><path d="M2 12h4"/><line x1="2" y1="2" x2="22" y2="22"/><circle cx="12" cy="12" r="3"/></svg></div>
+                        <h3>Offline Mode</h3>
+                        <p>Run without internet using bundled assets. Choose from multiple map tile providers or use your own local tile server.</p>
+                    </div>
+                </div>
+                <button class="carousel-arrow carousel-arrow-right" aria-label="Scroll right">&#8250;</button>
+            </div>
+
+            <div class="carousel-indicators" id="carousel-indicators"></div>
         </div>
     </section>
 
@@ -194,6 +246,38 @@
                     <img src="images/ais.png" alt="AIS Vessel Tracking">
                     <span class="screenshot-label">AIS Vessel Tracking</span>
                 </div>
+                <div class="screenshot-item">
+                    <img src="images/bt-locate.png" alt="BT Locate SAR Tracker">
+                    <span class="screenshot-label">BT Locate — SAR Tracker</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/spy-stations.png" alt="Spy Stations Database">
+                    <span class="screenshot-label">Spy Stations</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/gps.png" alt="GPS Receiver">
+                    <span class="screenshot-label">GPS Receiver</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/websdr.png" alt="WebSDR Remote Listening">
+                    <span class="screenshot-label">WebSDR</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/vdl2.png" alt="VDL2 Aircraft Datalink">
+                    <span class="screenshot-label">VDL2 Aircraft Datalink</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/weather-satellite.png" alt="Weather Satellite Decoder">
+                    <span class="screenshot-label">Weather Satellite</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/satellite-tracker.png" alt="Satellite Tracker">
+                    <span class="screenshot-label">Satellite Tracker</span>
+                </div>
+                <div class="screenshot-item">
+                    <img src="images/iss-sstv.png" alt="ISS SSTV Decoder">
+                    <span class="screenshot-label">ISS SSTV</span>
+                </div>
             </div>
         </div>
     </section>
@@ -278,6 +362,36 @@ docker compose up -d</code></pre>
         </div>
     </section>
 
+    <section class="support">
+        <div class="container">
+            <h2>Support & Contact</h2>
+            <p class="section-subtitle">Help keep iNTERCEPT alive or get in touch</p>
+
+            <div class="support-grid">
+                <a href="https://www.buymeacoffee.com/smittix" target="_blank" class="support-card support-coffee">
+                    <div class="support-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M17 8h1a4 4 0 0 1 0 8h-1"/><path d="M3 8h14v9a4 4 0 0 1-4 4H7a4 4 0 0 1-4-4V8z"/><line x1="6" y1="2" x2="6" y2="4"/><line x1="10" y1="2" x2="10" y2="4"/><line x1="14" y1="2" x2="14" y2="4"/></svg></div>
+                    <h3>Buy Me a Coffee</h3>
+                    <p>Support development with a one-time donation</p>
+                </a>
+                <a href="#" id="email-card" class="support-card" onclick="return false;">
+                    <div class="support-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="4" width="20" height="16" rx="2"/><path d="M22 4L12 13 2 4"/></svg></div>
+                    <h3>Email</h3>
+                    <p id="email-text">Click to reveal</p>
+                </a>
+                <a href="https://discord.gg/EyeksEJmWE" target="_blank" class="support-card">
+                    <div class="support-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><circle cx="12" cy="12" r="10"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg></div>
+                    <h3>Discord</h3>
+                    <p>Join the community for help and discussion</p>
+                </a>
+                <a href="https://github.com/smittix/intercept/issues" target="_blank" class="support-card">
+                    <div class="support-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg></div>
+                    <h3>Report an Issue</h3>
+                    <p>Bug reports and feature requests on GitHub</p>
+                </a>
+            </div>
+        </div>
+    </section>
+
     <footer class="footer">
         <div class="container">
             <div class="footer-content">
@@ -288,6 +402,8 @@ docker compose up -d</code></pre>
                 <div class="footer-links">
                     <a href="https://github.com/smittix/intercept" target="_blank">GitHub</a>
                     <a href="https://discord.gg/EyeksEJmWE" target="_blank">Discord</a>
+                    <a href="#" id="footer-email">Email</a>
+                    <a href="https://www.buymeacoffee.com/smittix" target="_blank">Donate</a>
                     <a href="https://github.com/smittix/intercept/blob/main/docs/USAGE.md">Documentation</a>
                     <a href="https://github.com/smittix/intercept/blob/main/docs/DISTRIBUTED_AGENTS.md">Remote Agents</a>
                 </div>
@@ -336,6 +452,334 @@ docker compose up -d</code></pre>
         document.addEventListener('keydown', (e) => {
             if (e.key === 'Escape') closeLightbox();
         });
+
+        // Carousel functionality
+        (function() {
+            const track = document.querySelector('.carousel-track');
+            const cards = Array.from(track.querySelectorAll('.feature-card'));
+            const leftArrow = document.querySelector('.carousel-arrow-left');
+            const rightArrow = document.querySelector('.carousel-arrow-right');
+            const filterBtns = document.querySelectorAll('.filter-btn');
+            const indicatorContainer = document.getElementById('carousel-indicators');
+
+            const SCROLL_AMOUNT = 300;
+
+            function updateArrows() {
+                leftArrow.disabled = track.scrollLeft <= 0;
+                rightArrow.disabled = track.scrollLeft + track.clientWidth >= track.scrollWidth - 2;
+            }
+
+            function buildIndicators() {
+                const visible = cards.filter(c => !c.classList.contains('hidden'));
+                const totalWidth = visible.length * 300;
+                const pages = Math.max(1, Math.ceil(totalWidth / track.clientWidth));
+                indicatorContainer.innerHTML = '';
+                for (let i = 0; i < pages; i++) {
+                    const dot = document.createElement('button');
+                    dot.className = 'carousel-dot' + (i === 0 ? ' active' : '');
+                    dot.addEventListener('click', () => {
+                        track.scrollTo({ left: (track.scrollWidth / pages) * i, behavior: 'smooth' });
+                    });
+                    indicatorContainer.appendChild(dot);
+                }
+            }
+
+            function updateIndicators() {
+                const dots = indicatorContainer.querySelectorAll('.carousel-dot');
+                if (!dots.length) return;
+                const ratio = track.scrollLeft / Math.max(1, track.scrollWidth - track.clientWidth);
+                const idx = Math.round(ratio * (dots.length - 1));
+                dots.forEach((d, i) => d.classList.toggle('active', i === idx));
+            }
+
+            leftArrow.addEventListener('click', () => {
+                track.scrollBy({ left: -SCROLL_AMOUNT, behavior: 'smooth' });
+            });
+
+            rightArrow.addEventListener('click', () => {
+                track.scrollBy({ left: SCROLL_AMOUNT, behavior: 'smooth' });
+            });
+
+            track.addEventListener('scroll', () => {
+                updateArrows();
+                updateIndicators();
+            });
+
+            filterBtns.forEach(btn => {
+                btn.addEventListener('click', () => {
+                    filterBtns.forEach(b => b.classList.remove('active'));
+                    btn.classList.add('active');
+                    const filter = btn.dataset.filter;
+
+                    cards.forEach(card => {
+                        if (filter === 'all' || card.dataset.category === filter) {
+                            card.classList.remove('hidden');
+                        } else {
+                            card.classList.add('hidden');
+                        }
+                    });
+
+                    track.scrollTo({ left: 0 });
+                    buildIndicators();
+                    updateArrows();
+                });
+            });
+
+            buildIndicators();
+            updateArrows();
+            window.addEventListener('resize', () => { buildIndicators(); updateArrows(); });
+        })();
+
+        // Obfuscated email - assembled at runtime to defeat scrapers
+        (function() {
+            const p = ['smittix', 'outlook', 'com'];
+            const addr = p[0] + '@' + p[1] + '.' + p[2];
+            const card = document.getElementById('email-card');
+            const text = document.getElementById('email-text');
+            const footerLink = document.getElementById('footer-email');
+            let revealed = false;
+
+            card.addEventListener('click', function(e) {
+                e.preventDefault();
+                if (!revealed) {
+                    text.textContent = addr;
+                    revealed = true;
+                } else {
+                    window.location.href = 'mail' + 'to:' + addr;
+                }
+            });
+
+            footerLink.addEventListener('click', function(e) {
+                e.preventDefault();
+                window.location.href = 'mail' + 'to:' + addr;
+            });
+        })();
+    </script>
+
+    <script>
+    // Animated satellite & signal background
+    (function() {
+        const canvas = document.getElementById('bg-canvas');
+        const ctx = canvas.getContext('2d');
+        let w, h, dpr;
+        let orbits = [];
+        let pulses = [];
+        let particles = [];
+        let mouse = { x: -1000, y: -1000 };
+
+        function resize() {
+            dpr = Math.min(window.devicePixelRatio || 1, 2);
+            w = window.innerWidth;
+            h = document.documentElement.scrollHeight;
+            canvas.width = w * dpr;
+            canvas.height = h * dpr;
+            canvas.style.width = w + 'px';
+            canvas.style.height = h + 'px';
+            ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
+        }
+
+        // Orbital paths with satellites
+        function createOrbits() {
+            orbits = [];
+            const count = Math.max(4, Math.floor(w / 300));
+            for (let i = 0; i < count; i++) {
+                const cx = Math.random() * w;
+                const cy = Math.random() * h;
+                const rx = 120 + Math.random() * 280;
+                const ry = 40 + Math.random() * 100;
+                const tilt = (Math.random() - 0.5) * 1.2;
+                const speed = (0.0002 + Math.random() * 0.0004) * (Math.random() > 0.5 ? 1 : -1);
+                const sats = [];
+                const satCount = 1 + Math.floor(Math.random() * 2);
+                for (let j = 0; j < satCount; j++) {
+                    sats.push({ angle: Math.random() * Math.PI * 2, pulseTimer: 0 });
+                }
+                orbits.push({ cx, cy, rx, ry, tilt, speed, sats });
+            }
+        }
+
+        // Floating signal particles (tiny dots drifting upward)
+        function createParticles() {
+            particles = [];
+            const count = Math.max(30, Math.floor((w * h) / 25000));
+            for (let i = 0; i < count; i++) {
+                particles.push({
+                    x: Math.random() * w,
+                    y: Math.random() * h,
+                    vy: -(0.08 + Math.random() * 0.15),
+                    vx: (Math.random() - 0.5) * 0.1,
+                    size: 0.5 + Math.random() * 1.2,
+                    alpha: 0.1 + Math.random() * 0.25,
+                    flicker: Math.random() * Math.PI * 2,
+                });
+            }
+        }
+
+        function spawnPulse(x, y) {
+            pulses.push({ x, y, r: 2, maxR: 50 + Math.random() * 40, alpha: 0.35 });
+        }
+
+        function drawOrbitPath(orbit) {
+            ctx.save();
+            ctx.translate(orbit.cx, orbit.cy);
+            ctx.rotate(orbit.tilt);
+            ctx.beginPath();
+            ctx.ellipse(0, 0, orbit.rx, orbit.ry, 0, 0, Math.PI * 2);
+            ctx.strokeStyle = 'rgba(0, 212, 170, 0.04)';
+            ctx.lineWidth = 1;
+            ctx.stroke();
+            ctx.restore();
+        }
+
+        function drawSatellite(orbit, sat, dt) {
+            sat.angle += orbit.speed * dt;
+            const cos = Math.cos(orbit.tilt);
+            const sin = Math.sin(orbit.tilt);
+            const ex = orbit.rx * Math.cos(sat.angle);
+            const ey = orbit.ry * Math.sin(sat.angle);
+            const sx = orbit.cx + ex * cos - ey * sin;
+            const sy = orbit.cy + ex * sin + ey * cos;
+
+            // Satellite dot
+            ctx.beginPath();
+            ctx.arc(sx, sy, 2, 0, Math.PI * 2);
+            ctx.fillStyle = 'rgba(0, 212, 170, 0.7)';
+            ctx.fill();
+
+            // Faint glow
+            ctx.beginPath();
+            ctx.arc(sx, sy, 6, 0, Math.PI * 2);
+            const g = ctx.createRadialGradient(sx, sy, 0, sx, sy, 6);
+            g.addColorStop(0, 'rgba(0, 212, 170, 0.15)');
+            g.addColorStop(1, 'rgba(0, 212, 170, 0)');
+            ctx.fillStyle = g;
+            ctx.fill();
+
+            // Periodic signal pulse
+            sat.pulseTimer += dt;
+            if (sat.pulseTimer > 3000 + Math.random() * 500) {
+                sat.pulseTimer = 0;
+                spawnPulse(sx, sy);
+            }
+        }
+
+        function drawPulses(dt) {
+            for (let i = pulses.length - 1; i >= 0; i--) {
+                const p = pulses[i];
+                p.r += dt * 0.025;
+                p.alpha = 0.35 * (1 - p.r / p.maxR);
+                if (p.r >= p.maxR) { pulses.splice(i, 1); continue; }
+
+                ctx.beginPath();
+                ctx.arc(p.x, p.y, p.r, 0, Math.PI * 2);
+                ctx.strokeStyle = `rgba(0, 212, 170, ${p.alpha})`;
+                ctx.lineWidth = 1;
+                ctx.stroke();
+
+                // Second ring
+                if (p.r > 12) {
+                    ctx.beginPath();
+                    ctx.arc(p.x, p.y, p.r * 0.6, 0, Math.PI * 2);
+                    ctx.strokeStyle = `rgba(0, 136, 255, ${p.alpha * 0.5})`;
+                    ctx.stroke();
+                }
+            }
+        }
+
+        function drawParticles(dt, time) {
+            for (const p of particles) {
+                p.y += p.vy * dt * 0.06;
+                p.x += p.vx * dt * 0.06;
+                p.flicker += dt * 0.002;
+
+                if (p.y < -10) { p.y = h + 10; p.x = Math.random() * w; }
+                if (p.x < -10) p.x = w + 10;
+                if (p.x > w + 10) p.x = -10;
+
+                const flick = p.alpha * (0.6 + 0.4 * Math.sin(p.flicker));
+
+                // Mouse interaction - subtle brighten
+                const dx = p.x - mouse.x;
+                const dy = p.y - mouse.y;
+                const dist = Math.sqrt(dx * dx + dy * dy);
+                const boost = dist < 150 ? 0.3 * (1 - dist / 150) : 0;
+
+                ctx.beginPath();
+                ctx.arc(p.x, p.y, p.size, 0, Math.PI * 2);
+                ctx.fillStyle = `rgba(0, 212, 170, ${Math.min(flick + boost, 0.6)})`;
+                ctx.fill();
+            }
+        }
+
+        // Faint grid lines (signal grid)
+        function drawGrid(time) {
+            ctx.strokeStyle = 'rgba(0, 212, 170, 0.015)';
+            ctx.lineWidth = 1;
+            const spacing = 120;
+            const offset = (time * 0.005) % spacing;
+
+            for (let x = -spacing + offset; x < w + spacing; x += spacing) {
+                ctx.beginPath();
+                ctx.moveTo(x, 0);
+                ctx.lineTo(x, h);
+                ctx.stroke();
+            }
+            for (let y = -spacing + offset * 0.7; y < h + spacing; y += spacing) {
+                ctx.beginPath();
+                ctx.moveTo(0, y);
+                ctx.lineTo(w, y);
+                ctx.stroke();
+            }
+        }
+
+        let last = 0;
+        function animate(now) {
+            const dt = last ? Math.min(now - last, 50) : 16;
+            last = now;
+
+            ctx.clearRect(0, 0, w, h);
+            drawGrid(now);
+
+            for (const orbit of orbits) {
+                drawOrbitPath(orbit);
+                for (const sat of orbit.sats) {
+                    drawSatellite(orbit, sat, dt);
+                }
+            }
+
+            drawPulses(dt);
+            drawParticles(dt, now);
+
+            requestAnimationFrame(animate);
+        }
+
+        // Track mouse for particle interaction
+        document.addEventListener('mousemove', (e) => {
+            mouse.x = e.clientX;
+            mouse.y = e.clientY + window.scrollY;
+        });
+
+        // Resize handling
+        let resizeTimer;
+        function handleResize() {
+            clearTimeout(resizeTimer);
+            resizeTimer = setTimeout(() => {
+                resize();
+                createOrbits();
+                createParticles();
+            }, 200);
+        }
+
+        // Keep canvas height synced with document
+        const ro = new ResizeObserver(() => { handleResize(); });
+        ro.observe(document.documentElement);
+        window.addEventListener('resize', handleResize);
+
+        resize();
+        createOrbits();
+        createParticles();
+        requestAnimationFrame(animate);
+    })();
     </script>
 </body>
 </html>

docs/style.css

@@ -17,6 +17,22 @@
     --gradient-end: #0088ff;
 }
 
+/* Animated background canvas */
+#bg-canvas {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    z-index: 0;
+    pointer-events: none;
+}
+
+body > *:not(#bg-canvas) {
+    position: relative;
+    z-index: 1;
+}
+
 * {
     margin: 0;
     padding: 0;
@@ -245,18 +261,74 @@ section h2 {
     background: var(--bg-secondary);
 }
 
-.features-grid {
-    display: grid;
-    grid-template-columns: repeat(4, 1fr);
-    gap: 24px;
+/* Category filter tabs */
+.carousel-filters {
+    display: flex;
+    justify-content: center;
+    gap: 8px;
+    margin-bottom: 40px;
+    flex-wrap: wrap;
+}
+
+.filter-btn {
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.8rem;
+    font-weight: 500;
+    padding: 8px 20px;
+    border-radius: 20px;
+    border: 1px solid var(--border);
+    background: transparent;
+    color: var(--text-secondary);
+    cursor: pointer;
+    transition: all 0.25s;
+    letter-spacing: 0.5px;
+}
+
+.filter-btn:hover {
+    border-color: var(--accent);
+    color: var(--text-primary);
+}
+
+.filter-btn.active {
+    background: var(--accent);
+    color: var(--bg-primary);
+    border-color: var(--accent);
+}
+
+/* Carousel */
+.carousel-wrapper {
+    position: relative;
+    padding: 0 56px;
+}
+
+.carousel-track {
+    display: flex;
+    gap: 20px;
+    overflow-x: auto;
+    scroll-behavior: smooth;
+    scroll-snap-type: x mandatory;
+    -webkit-overflow-scrolling: touch;
+    scrollbar-width: none;
+    padding: 8px 0 16px;
+}
+
+.carousel-track::-webkit-scrollbar {
+    display: none;
 }
 
 .feature-card {
+    flex: 0 0 280px;
+    scroll-snap-align: start;
     background: var(--bg-card);
     border: 1px solid var(--border);
     border-radius: 12px;
     padding: 32px 24px;
     transition: all 0.3s;
+    min-height: 200px;
+}
+
+.feature-card.hidden {
+    display: none;
 }
 
 .feature-card:hover {
@@ -266,8 +338,15 @@ section h2 {
 }
 
 .feature-icon {
-    font-size: 2rem;
+    width: 36px;
+    height: 36px;
     margin-bottom: 16px;
+    color: var(--accent);
+}
+
+.feature-icon svg {
+    width: 100%;
+    height: 100%;
 }
 
 .feature-card h3 {
@@ -283,6 +362,81 @@ section h2 {
     line-height: 1.7;
 }
 
+/* Carousel arrows */
+.carousel-arrow {
+    position: absolute;
+    top: 50%;
+    transform: translateY(-50%);
+    width: 44px;
+    height: 44px;
+    border-radius: 50%;
+    border: 1px solid var(--border);
+    background: var(--bg-card);
+    color: var(--text-primary);
+    font-size: 1.5rem;
+    cursor: pointer;
+    transition: all 0.25s;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 10;
+    line-height: 1;
+}
+
+.carousel-arrow:hover {
+    background: var(--bg-card-hover);
+    border-color: var(--accent);
+    color: var(--accent);
+}
+
+.carousel-arrow:disabled {
+    opacity: 0.3;
+    cursor: default;
+}
+
+.carousel-arrow:disabled:hover {
+    background: var(--bg-card);
+    border-color: var(--border);
+    color: var(--text-primary);
+}
+
+.carousel-arrow-left {
+    left: 0;
+}
+
+.carousel-arrow-right {
+    right: 0;
+}
+
+/* Carousel indicators */
+.carousel-indicators {
+    display: flex;
+    justify-content: center;
+    gap: 8px;
+    margin-top: 28px;
+}
+
+.carousel-dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    background: var(--border);
+    border: none;
+    cursor: pointer;
+    transition: all 0.25s;
+    padding: 0;
+}
+
+.carousel-dot.active {
+    background: var(--accent);
+    width: 24px;
+    border-radius: 4px;
+}
+
+.carousel-dot:hover {
+    background: var(--text-muted);
+}
+
 /* Screenshots */
 .screenshot-gallery {
     display: grid;
@@ -550,6 +704,72 @@ section h2 {
     gap: 16px;
 }
 
+/* Support & Contact */
+.support {
+    background: var(--bg-secondary);
+}
+
+.support-grid {
+    display: grid;
+    grid-template-columns: repeat(4, 1fr);
+    gap: 24px;
+}
+
+.support-card {
+    background: var(--bg-card);
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    padding: 32px 24px;
+    text-align: center;
+    text-decoration: none;
+    transition: all 0.3s;
+    display: block;
+}
+
+.support-card:hover {
+    background: var(--bg-card-hover);
+    border-color: var(--accent);
+    transform: translateY(-4px);
+}
+
+.support-card.support-coffee {
+    border-color: rgba(255, 193, 59, 0.3);
+}
+
+.support-card.support-coffee:hover {
+    border-color: #ffc13b;
+    box-shadow: 0 8px 30px rgba(255, 193, 59, 0.1);
+}
+
+.support-card.support-coffee .support-icon {
+    color: #ffc13b;
+}
+
+.support-icon {
+    width: 36px;
+    height: 36px;
+    margin: 0 auto 16px;
+    color: var(--accent);
+}
+
+.support-icon svg {
+    width: 100%;
+    height: 100%;
+}
+
+.support-card h3 {
+    font-size: 1.1rem;
+    font-weight: 600;
+    margin-bottom: 8px;
+    color: var(--text-primary);
+}
+
+.support-card p {
+    font-size: 0.85rem;
+    color: var(--text-secondary);
+    line-height: 1.6;
+}
+
 /* Footer */
 .footer {
     background: var(--bg-secondary);
@@ -641,14 +861,22 @@ section h2 {
         margin: 0 auto;
     }
 
-    .features-grid {
-        grid-template-columns: repeat(2, 1fr);
+    .carousel-wrapper {
+        padding: 0 48px;
+    }
+
+    .feature-card {
+        flex: 0 0 260px;
     }
 
     .screenshot-gallery {
         grid-template-columns: repeat(2, 1fr);
     }
 
+    .support-grid {
+        grid-template-columns: repeat(2, 1fr);
+    }
+
     .install-options {
         grid-template-columns: 1fr;
     }
@@ -669,14 +897,35 @@ section h2 {
         gap: 24px;
     }
 
-    .features-grid {
-        grid-template-columns: 1fr;
+    .carousel-wrapper {
+        padding: 0 4px;
+    }
+
+    .carousel-arrow {
+        display: none;
+    }
+
+    .feature-card {
+        flex: 0 0 260px;
+    }
+
+    .carousel-filters {
+        gap: 6px;
+    }
+
+    .filter-btn {
+        font-size: 0.7rem;
+        padding: 6px 14px;
     }
 
     .screenshot-gallery {
         grid-template-columns: 1fr;
     }
 
+    .support-grid {
+        grid-template-columns: 1fr;
+    }
+
     .nav-links {
         display: none;
     }

download-weather-sat-samples.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Download sample NOAA APT recordings for testing the weather satellite
+# test-decode feature. These are FM-demodulated audio WAV files.
+#
+# Usage:
+#   ./download-weather-sat-samples.sh
+#   docker exec intercept /app/download-weather-sat-samples.sh
+
+set -euo pipefail
+
+SAMPLE_DIR="$(dirname "$0")/data/weather_sat/samples"
+mkdir -p "$SAMPLE_DIR"
+
+echo "Downloading NOAA APT sample files to $SAMPLE_DIR ..."
+
+# Full satellite pass recorded over Argentina (NOAA, 11025 Hz mono WAV)
+# Source: https://github.com/martinber/noaa-apt
+if [ ! -f "$SAMPLE_DIR/noaa_apt_argentina.wav" ]; then
+    echo "  -> noaa_apt_argentina.wav (18 MB) ..."
+    curl -fSL -o "$SAMPLE_DIR/noaa_apt_argentina.wav" \
+        "https://noaa-apt.mbernardi.com.ar/examples/argentina.wav"
+else
+    echo "  -> noaa_apt_argentina.wav (already exists)"
+fi
+
+echo ""
+echo "Done. Test decode with:"
+echo "  Satellite:    NOAA-18"
+echo "  File path:    data/weather_sat/samples/noaa_apt_argentina.wav"
+echo "  Sample rate:  11025 Hz"

gp.php

@@ -0,0 +1,210 @@
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+2 28054  99.0018  60.5544 0007736 150.6435 318.8272 14.14449870151032
+METEOSAT-9 (MSG-2)      
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+2 28912   9.0646  55.4438 0001292 220.3216 340.7358  1.00280364  5681
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+2 32958  98.6761 340.6748 0009336 139.4536 220.7337 14.19536323916838
+GOES 14                 
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+2 35491   1.3510  84.7861 0001663 279.3774 203.6871  1.00112472  5283
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+2 36411   0.9477  85.6904 0004764 200.6178  64.5237  1.00275731 58322
+COMS 1                  
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+SUOMI NPP               
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+2 37849  98.7835 339.4455 0001677  23.1332 336.9919 14.19534335739918
+METEOSAT-10 (MSG-3)     
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+2 38552   4.3618  61.5789 0002324 286.1065 271.3938  1.00272839 49549
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+2 38771  98.6708  91.6029 0002456  28.4142 331.7169 14.21434029694718
+INSAT-3D                
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+2 39216   1.5890  84.3012 0001719 220.0673 170.6954  1.00273812 45771
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+2 40267   0.0457 252.0286 0000958  31.3580 203.5957  1.00278490 41450
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+2 40367   5.3089  74.4184 0001565 198.1345 195.9683  1.00263067 40698
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+2 41105   6.3653  72.1489 0003612 229.0998 328.0297  1.00272232 37198
+INSAT-3DR               
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+2 41752   0.0554  93.8053 0013744 184.8269 167.9427  1.00271627 34504
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+GOES 16                 
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+CYGFM03                 
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+GOES 17                 
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+2 43689  98.6834  99.5280 0001629 143.8933 216.2355 14.21510040376280
+GEO-KOMPSAT-2A          
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+2 43823   0.0152  95.1913 0001141 313.4173  65.1318  1.00271011 26327
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+2 44387  98.9044  23.0180 0002141  55.2566 304.8814 14.24320728342700
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+GOES 18                 
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+2 58703  97.4642 223.9320 0005432  91.0134 269.1726 15.25387870115860
+INSAT-3DS               
+1 58990U 24033A   26037.64159978 -.00000153  00000+0  00000+0 0  9998
+2 58990   0.0277 242.2492 0001855  99.2205 108.3003  1.00271452 45758
+METEOR-M2 4             
+1 59051U 24039A   26037.62796654  .00000070  00000+0  51194-4 0  9991
+2 59051  98.6849 358.6843 0006923 178.9165 181.2029 14.22412185100701
+GOES 19                 
+1 60133U 24119A   26037.61098274 -.00000246  00000+0  00000+0 0  9996
+2 60133   0.0027 288.6290 0001204  74.2636 278.5881  1.00270967  5651
+FENGYUN 3H              
+1 65815U 25219A   26037.60879211  .00000151  00000+0  91464-4 0  9990
+2 65815  98.6649 341.0050 0001596  86.5100 273.6260 14.19924132 18857

intercept_agent.py

@@ -843,6 +843,7 @@ class ModeManager:
                 'anomalies': getattr(self, 'tscm_anomalies', []),
                 'baseline': getattr(self, 'tscm_baseline', {}),
                 'wifi_devices': list(self.wifi_networks.values()),
+                'wifi_clients': list(getattr(self, 'tscm_wifi_clients', {}).values()),
                 'bt_devices': list(self.bluetooth_devices.values()),
                 'rf_signals': getattr(self, 'tscm_rf_signals', []),
             }
@@ -1116,6 +1117,7 @@ class ModeManager:
             self.tscm_anomalies = []
             self.tscm_baseline = {}
             self.tscm_rf_signals = []
+            self.tscm_wifi_clients = {}
             # Clear reported threat tracking sets
             if hasattr(self, '_tscm_reported_wifi'):
                 self._tscm_reported_wifi.clear()
@@ -1541,6 +1543,7 @@ class ModeManager:
         """Start WiFi scanning using Intercept's UnifiedWiFiScanner."""
         interface = params.get('interface')
         channel = params.get('channel')
+        channels = params.get('channels')
         band = params.get('band', 'abg')
         scan_type = params.get('scan_type', 'deep')
 
@@ -1571,8 +1574,21 @@ class ModeManager:
             else:
                 scan_band = 'all'
 
+            channel_list = None
+            if channels:
+                if isinstance(channels, str):
+                    channel_list = [c.strip() for c in channels.split(',') if c.strip()]
+                elif isinstance(channels, (list, tuple, set)):
+                    channel_list = list(channels)
+                else:
+                    channel_list = [channels]
+                try:
+                    channel_list = [int(c) for c in channel_list]
+                except (TypeError, ValueError):
+                    return {'status': 'error', 'message': 'Invalid channels'}
+
             # Start deep scan
-            if scanner.start_deep_scan(interface=interface, band=scan_band, channel=channel):
+            if scanner.start_deep_scan(interface=interface, band=scan_band, channel=channel, channels=channel_list):
                 # Start thread to sync data to agent's dictionaries
                 thread = threading.Thread(
                     target=self._wifi_data_sync,
@@ -1593,7 +1609,7 @@ class ModeManager:
 
         except ImportError:
             # Fallback to direct airodump-ng
-            return self._start_wifi_fallback(interface, channel, band)
+            return self._start_wifi_fallback(interface, channel, band, channels)
         except Exception as e:
             logger.error(f"WiFi scanner error: {e}")
             return {'status': 'error', 'message': str(e)}
@@ -1630,7 +1646,13 @@ class ModeManager:
         if hasattr(self, '_wifi_scanner_instance') and self._wifi_scanner_instance:
             self._wifi_scanner_instance.stop_deep_scan()
 
-    def _start_wifi_fallback(self, interface: str | None, channel: int | None, band: str) -> dict:
+    def _start_wifi_fallback(
+        self,
+        interface: str | None,
+        channel: int | None,
+        band: str,
+        channels: list[int] | str | None = None,
+    ) -> dict:
         """Fallback WiFi deep scan using airodump-ng directly."""
         if not interface:
             return {'status': 'error', 'message': 'WiFi interface required'}
@@ -1658,7 +1680,22 @@ class ModeManager:
         cmd = [airodump_path, '-w', csv_path, '--output-format', output_formats, '--band', band]
         if gps_manager.is_running:
             cmd.append('--gpsd')
-        if channel:
+        channel_list = None
+        if channels:
+            if isinstance(channels, str):
+                channel_list = [c.strip() for c in channels.split(',') if c.strip()]
+            elif isinstance(channels, (list, tuple, set)):
+                channel_list = list(channels)
+            else:
+                channel_list = [channels]
+            try:
+                channel_list = [int(c) for c in channel_list]
+            except (TypeError, ValueError):
+                return {'status': 'error', 'message': 'Invalid channels'}
+
+        if channel_list:
+            cmd.extend(['-c', ','.join(str(c) for c in channel_list)])
+        elif channel:
             cmd.extend(['-c', str(channel)])
         cmd.append(interface)
 
@@ -1985,7 +2022,7 @@ class ModeManager:
                     'agent_gps': gps_manager.position
                 }
 
-            scanner.set_on_device_updated(on_device_updated)
+            scanner.add_device_callback(on_device_updated)
 
             # Start scanning
             if scanner.start_scan(mode=mode_param, duration_s=duration):
@@ -3113,16 +3150,19 @@ class ModeManager:
             self.tscm_anomalies = []
         if not hasattr(self, 'tscm_rf_signals'):
             self.tscm_rf_signals = []
+        if not hasattr(self, 'tscm_wifi_clients'):
+            self.tscm_wifi_clients = {}
         self.tscm_anomalies.clear()
+        self.tscm_wifi_clients.clear()
 
         # Get params for what to scan
         scan_wifi = params.get('wifi', True)
         scan_bt = params.get('bluetooth', True)
-        scan_rf = params.get('rf', True)
-        wifi_interface = params.get('wifi_interface') or params.get('interface')
-        bt_adapter = params.get('bt_interface') or params.get('adapter', 'hci0')
-        sdr_device = params.get('sdr_device', params.get('device', 0))
-        sweep_type = params.get('sweep_type')
+        scan_rf = params.get('rf', True)
+        wifi_interface = params.get('wifi_interface') or params.get('interface')
+        bt_adapter = params.get('bt_interface') or params.get('adapter', 'hci0')
+        sdr_device = params.get('sdr_device', params.get('device', 0))
+        sweep_type = params.get('sweep_type')
 
         # Get baseline_id for comparison (same as local mode)
         baseline_id = params.get('baseline_id')
@@ -3130,11 +3170,11 @@ class ModeManager:
         started_scans = []
 
         # Start the combined TSCM scanner thread using existing Intercept functions
-        thread = threading.Thread(
-            target=self._tscm_scanner_thread,
-            args=(scan_wifi, scan_bt, scan_rf, wifi_interface, bt_adapter, sdr_device, baseline_id, sweep_type),
-            daemon=True
-        )
+        thread = threading.Thread(
+            target=self._tscm_scanner_thread,
+            args=(scan_wifi, scan_bt, scan_rf, wifi_interface, bt_adapter, sdr_device, baseline_id, sweep_type),
+            daemon=True
+        )
         thread.start()
         self.output_threads['tscm'] = thread
 
@@ -3153,9 +3193,9 @@ class ModeManager:
             'scanning': started_scans
         }
 
-    def _tscm_scanner_thread(self, scan_wifi: bool, scan_bt: bool, scan_rf: bool,
-                              wifi_interface: str | None, bt_adapter: str, sdr_device: int,
-                              baseline_id: int | None = None, sweep_type: str | None = None):
+    def _tscm_scanner_thread(self, scan_wifi: bool, scan_bt: bool, scan_rf: bool,
+                              wifi_interface: str | None, bt_adapter: str, sdr_device: int,
+                              baseline_id: int | None = None, sweep_type: str | None = None):
         """Combined TSCM scanner using existing Intercept functions.
 
         NOTE: This matches local mode behavior exactly:
@@ -3168,20 +3208,20 @@ class ModeManager:
         stop_event = self.stop_events.get(mode)
 
         # Import existing Intercept TSCM functions
-        from routes.tscm import _scan_wifi_networks, _scan_bluetooth_devices, _scan_rf_signals
-        logger.info("TSCM imports successful")
-
-        sweep_ranges = None
-        if sweep_type:
-            try:
-                from data.tscm_frequencies import get_sweep_preset, SWEEP_PRESETS
-                preset = get_sweep_preset(sweep_type) or SWEEP_PRESETS.get('standard')
-                sweep_ranges = preset.get('ranges') if preset else None
-            except Exception:
-                sweep_ranges = None
-
-        # Load baseline if specified (same as local mode)
-        baseline = None
+        from routes.tscm import _scan_wifi_networks, _scan_wifi_clients, _scan_bluetooth_devices, _scan_rf_signals
+        logger.info("TSCM imports successful")
+
+        sweep_ranges = None
+        if sweep_type:
+            try:
+                from data.tscm_frequencies import get_sweep_preset, SWEEP_PRESETS
+                preset = get_sweep_preset(sweep_type) or SWEEP_PRESETS.get('standard')
+                sweep_ranges = preset.get('ranges') if preset else None
+            except Exception:
+                sweep_ranges = None
+
+        # Load baseline if specified (same as local mode)
+        baseline = None
         if baseline_id and HAS_BASELINE_DB and get_tscm_baseline:
             baseline = get_tscm_baseline(baseline_id)
             if baseline:
@@ -3203,6 +3243,7 @@ class ModeManager:
 
         # Track devices seen during this sweep (like local mode's all_wifi/all_bt dicts)
         seen_wifi = {}
+        seen_wifi_clients = {}
         seen_bt = {}
 
         last_rf_scan = 0
@@ -3249,20 +3290,61 @@ class ModeManager:
                                     enriched['is_new'] = not classification.get('in_baseline', False)
                                     enriched['reasons'] = classification.get('reasons', [])
 
-                                if self._tscm_correlation:
-                                    profile = self._tscm_correlation.analyze_wifi_device(enriched)
-                                    enriched['classification'] = profile.risk_level.value
-                                    enriched['score'] = profile.total_score
-                                    enriched['score_modifier'] = profile.score_modifier
-                                    enriched['known_device'] = profile.known_device
-                                    enriched['known_device_name'] = profile.known_device_name
-                                    enriched['indicators'] = [
-                                        {'type': i.type.value, 'desc': i.description}
-                                        for i in profile.indicators
-                                    ]
-                                    enriched['recommended_action'] = profile.recommended_action
+                                if self._tscm_correlation:
+                                    profile = self._tscm_correlation.analyze_wifi_device(enriched)
+                                    enriched['classification'] = profile.risk_level.value
+                                    enriched['score'] = profile.total_score
+                                    enriched['score_modifier'] = profile.score_modifier
+                                    enriched['known_device'] = profile.known_device
+                                    enriched['known_device_name'] = profile.known_device_name
+                                    enriched['indicators'] = [
+                                        {'type': i.type.value, 'desc': i.description}
+                                        for i in profile.indicators
+                                    ]
+                                    enriched['recommended_action'] = profile.recommended_action
 
                                 self.wifi_networks[bssid] = enriched
+
+                        # WiFi clients (monitor mode only)
+                        try:
+                            wifi_clients = _scan_wifi_clients(wifi_interface or '')
+                            for client in wifi_clients:
+                                mac = (client.get('mac') or '').upper()
+                                if not mac or mac in seen_wifi_clients:
+                                    continue
+                                seen_wifi_clients[mac] = client
+
+                                rssi_val = client.get('rssi_current')
+                                if rssi_val is None:
+                                    rssi_val = client.get('rssi_median') or client.get('rssi_ema')
+
+                                client_device = {
+                                    'mac': mac,
+                                    'vendor': client.get('vendor'),
+                                    'name': client.get('vendor') or 'WiFi Client',
+                                    'rssi': rssi_val,
+                                    'associated_bssid': client.get('associated_bssid'),
+                                    'probed_ssids': client.get('probed_ssids', []),
+                                    'probe_count': client.get('probe_count', len(client.get('probed_ssids', []))),
+                                    'is_client': True,
+                                }
+
+                                if self._tscm_correlation:
+                                    profile = self._tscm_correlation.analyze_wifi_device(client_device)
+                                    client_device['classification'] = profile.risk_level.value
+                                    client_device['score'] = profile.total_score
+                                    client_device['score_modifier'] = profile.score_modifier
+                                    client_device['known_device'] = profile.known_device
+                                    client_device['known_device_name'] = profile.known_device_name
+                                    client_device['indicators'] = [
+                                        {'type': i.type.value, 'desc': i.description}
+                                        for i in profile.indicators
+                                    ]
+                                    client_device['recommended_action'] = profile.recommended_action
+
+                                self.tscm_wifi_clients[mac] = client_device
+                        except Exception as e:
+                            logger.debug(f"WiFi client scan error: {e}")
                     except Exception as e:
                         logger.debug(f"WiFi scan error: {e}")
 
@@ -3298,18 +3380,18 @@ class ModeManager:
                                     enriched['is_new'] = not classification.get('in_baseline', False)
                                     enriched['reasons'] = classification.get('reasons', [])
 
-                                if self._tscm_correlation:
-                                    profile = self._tscm_correlation.analyze_bluetooth_device(enriched)
-                                    enriched['classification'] = profile.risk_level.value
-                                    enriched['score'] = profile.total_score
-                                    enriched['score_modifier'] = profile.score_modifier
-                                    enriched['known_device'] = profile.known_device
-                                    enriched['known_device_name'] = profile.known_device_name
-                                    enriched['indicators'] = [
-                                        {'type': i.type.value, 'desc': i.description}
-                                        for i in profile.indicators
-                                    ]
-                                    enriched['recommended_action'] = profile.recommended_action
+                                if self._tscm_correlation:
+                                    profile = self._tscm_correlation.analyze_bluetooth_device(enriched)
+                                    enriched['classification'] = profile.risk_level.value
+                                    enriched['score'] = profile.total_score
+                                    enriched['score_modifier'] = profile.score_modifier
+                                    enriched['known_device'] = profile.known_device
+                                    enriched['known_device_name'] = profile.known_device_name
+                                    enriched['indicators'] = [
+                                        {'type': i.type.value, 'desc': i.description}
+                                        for i in profile.indicators
+                                    ]
+                                    enriched['recommended_action'] = profile.recommended_action
 
                                 self.bluetooth_devices[mac] = enriched
                     except Exception as e:
@@ -3320,11 +3402,11 @@ class ModeManager:
                     try:
                         # Pass a stop check that uses our stop_event (not the module's _sweep_running)
                         agent_stop_check = lambda: stop_event and stop_event.is_set()
-                        rf_signals = _scan_rf_signals(
-                            sdr_device,
-                            stop_check=agent_stop_check,
-                            sweep_ranges=sweep_ranges
-                        )
+                        rf_signals = _scan_rf_signals(
+                            sdr_device,
+                            stop_check=agent_stop_check,
+                            sweep_ranges=sweep_ranges
+                        )
 
                         # Analyze each RF signal like local mode does
                         analyzed_signals = []
@@ -3344,17 +3426,17 @@ class ModeManager:
                                 analyzed['reasons'] = classification.get('reasons', [])
 
                             # Use correlation engine for scoring (same as local mode)
-                            if hasattr(self, '_tscm_correlation') and self._tscm_correlation:
-                                profile = self._tscm_correlation.analyze_rf_signal(signal)
-                                analyzed['classification'] = profile.risk_level.value
-                                analyzed['score'] = profile.total_score
-                                analyzed['score_modifier'] = profile.score_modifier
-                                analyzed['known_device'] = profile.known_device
-                                analyzed['known_device_name'] = profile.known_device_name
-                                analyzed['indicators'] = [
-                                    {'type': i.type.value, 'desc': i.description}
-                                    for i in profile.indicators
-                                ]
+                            if hasattr(self, '_tscm_correlation') and self._tscm_correlation:
+                                profile = self._tscm_correlation.analyze_rf_signal(signal)
+                                analyzed['classification'] = profile.risk_level.value
+                                analyzed['score'] = profile.total_score
+                                analyzed['score_modifier'] = profile.score_modifier
+                                analyzed['known_device'] = profile.known_device
+                                analyzed['known_device_name'] = profile.known_device_name
+                                analyzed['indicators'] = [
+                                    {'type': i.type.value, 'desc': i.description}
+                                    for i in profile.indicators
+                                ]
 
                             analyzed['is_threat'] = is_threat
                             analyzed_signals.append(analyzed)

pyproject.toml

@@ -1,10 +1,10 @@
 [project]
 name = "intercept"
-version = "2.14.0"
+version = "2.20.0"
 description = "Signal Intelligence Platform - Pager/433MHz/ADS-B/Satellite/WiFi/Bluetooth"
 readme = "README.md"
 requires-python = ">=3.9"
-license = {text = "MIT"}
+license = {text = "Apache-2.0"}
 authors = [
     {name = "Intercept Contributors"}
 ]
@@ -14,7 +14,7 @@ classifiers = [
     "Environment :: Web Environment",
     "Framework :: Flask",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
+    "License :: OSI Approved :: Apache Software License",
     "Operating System :: POSIX :: Linux",
     "Operating System :: MacOS",
     "Programming Language :: Python :: 3",
@@ -57,6 +57,7 @@ optionals = [
     "scipy>=1.10.0",
     "qrcode[pil]>=7.4",
     "numpy>=1.24.0",
+    "Pillow>=9.0.0",
     "meshtastic>=2.0.0",
     "psycopg2-binary>=2.9.9",
     "scapy>=2.4.5",

requirements.txt

@@ -13,10 +13,13 @@ bleak>=0.21.0
 # Satellite tracking (optional - only needed for satellite features)
 skyfield>=1.45
 
-# DSC decoding (optional - only needed for VHF DSC maritime distress)
+# DSC decoding and SSTV decoding (DSP pipeline)
 scipy>=1.10.0
 numpy>=1.24.0
 
+# SSTV image output (optional - needed for SSTV image decoding)
+Pillow>=9.0.0
+
 # GPS dongle support (optional - only needed for USB GPS receivers)
 pyserial>=3.5
 
@@ -29,6 +32,9 @@ scapy>=2.4.5
 # QR code generation for Meshtastic channels (optional)
 qrcode[pil]>=7.4
 
+# BLE RPA resolution for BT Locate (optional - for SAR device tracking)
+cryptography>=41.0.0
+
 # Development dependencies (install with: pip install -r requirements-dev.txt)
 # pytest>=7.0.0
 # pytest-cov>=4.0.0

routes/__init__.py

@@ -13,6 +13,7 @@ def register_blueprints(app):
     from .ais import ais_bp
     from .dsc import dsc_bp
     from .acars import acars_bp
+    from .vdl2 import vdl2_bp
     from .aprs import aprs_bp
     from .satellite import satellite_bp
     from .gps import gps_bp
@@ -26,9 +27,16 @@ def register_blueprints(app):
     from .offline import offline_bp
     from .updater import updater_bp
     from .sstv import sstv_bp
+    from .weather_sat import weather_sat_bp
     from .sstv_general import sstv_general_bp
     from .dmr import dmr_bp
     from .websdr import websdr_bp
+    from .alerts import alerts_bp
+    from .recordings import recordings_bp
+    from .subghz import subghz_bp
+    from .bt_locate import bt_locate_bp
+    from .analytics import analytics_bp
+    from .space_weather import space_weather_bp
 
     app.register_blueprint(pager_bp)
     app.register_blueprint(sensor_bp)
@@ -41,6 +49,7 @@ def register_blueprints(app):
     app.register_blueprint(ais_bp)
     app.register_blueprint(dsc_bp)  # VHF DSC maritime distress
     app.register_blueprint(acars_bp)
+    app.register_blueprint(vdl2_bp)
     app.register_blueprint(aprs_bp)
     app.register_blueprint(satellite_bp)
     app.register_blueprint(gps_bp)
@@ -54,9 +63,16 @@ def register_blueprints(app):
     app.register_blueprint(offline_bp)  # Offline mode settings
     app.register_blueprint(updater_bp)  # GitHub update checking
     app.register_blueprint(sstv_bp)  # ISS SSTV decoder
+    app.register_blueprint(weather_sat_bp)  # NOAA/Meteor weather satellite decoder
     app.register_blueprint(sstv_general_bp)  # General terrestrial SSTV
     app.register_blueprint(dmr_bp)  # DMR / P25 / Digital Voice
     app.register_blueprint(websdr_bp)  # HF/Shortwave WebSDR
+    app.register_blueprint(alerts_bp)  # Cross-mode alerts
+    app.register_blueprint(recordings_bp)  # Session recordings
+    app.register_blueprint(subghz_bp)  # SubGHz transceiver (HackRF)
+    app.register_blueprint(bt_locate_bp)  # BT Locate SAR device tracking
+    app.register_blueprint(analytics_bp)  # Cross-mode analytics dashboard
+    app.register_blueprint(space_weather_bp)  # Space weather monitoring
 
     # Initialize TSCM state with queue and lock from app
     import app as app_module

routes/acars.py

@@ -20,23 +20,23 @@ from flask import Blueprint, jsonify, request, Response
 import app as app_module
 from utils.logging import sensor_logger as logger
 from utils.validation import validate_device_index, validate_gain, validate_ppm
+from utils.sdr import SDRFactory, SDRType
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.constants import (
     PROCESS_TERMINATE_TIMEOUT,
     SSE_KEEPALIVE_INTERVAL,
     SSE_QUEUE_TIMEOUT,
     PROCESS_START_WAIT,
 )
+from utils.process import register_process, unregister_process
 
 acars_bp = Blueprint('acars', __name__, url_prefix='/acars')
 
 # Default VHF ACARS frequencies (MHz) - common worldwide
 DEFAULT_ACARS_FREQUENCIES = [
-    '131.550',  # Primary worldwide
-    '130.025',  # Secondary USA/Canada
-    '129.125',  # USA
-    '131.525',  # Europe
-    '131.725',  # Europe secondary
+    '131.725',  # North America
+    '131.825',  # North America
 ]
 
 # Message counter for statistics
@@ -126,6 +126,13 @@ def stream_acars_output(process: subprocess.Popen, is_text_mode: bool = False) -
 
                 app_module.acars_queue.put(data)
 
+                # Feed flight correlator
+                try:
+                    from utils.flight_correlator import get_flight_correlator
+                    get_flight_correlator().add_acars_message(data)
+                except Exception:
+                    pass
+
                 # Log if enabled
                 if app_module.logging_enabled:
                     try:
@@ -144,9 +151,24 @@ def stream_acars_output(process: subprocess.Popen, is_text_mode: bool = False) -
         logger.error(f"ACARS stream error: {e}")
         app_module.acars_queue.put({'type': 'error', 'message': str(e)})
     finally:
+        global acars_active_device
+        # Ensure process is terminated
+        try:
+            process.terminate()
+            process.wait(timeout=2)
+        except Exception:
+            try:
+                process.kill()
+            except Exception:
+                pass
+        unregister_process(process)
         app_module.acars_queue.put({'type': 'status', 'status': 'stopped'})
         with app_module.acars_lock:
             app_module.acars_process = None
+        # Release SDR device
+        if acars_active_device is not None:
+            app_module.release_sdr_device(acars_active_device)
+            acars_active_device = None
 
 
 @acars_bp.route('/tools')
@@ -233,12 +255,22 @@ def start_acars() -> Response:
     acars_message_count = 0
     acars_last_message_time = None
 
+    # Resolve SDR type for device selection
+    sdr_type_str = data.get('sdr_type', 'rtlsdr')
+    try:
+        sdr_type = SDRType(sdr_type_str)
+    except ValueError:
+        sdr_type = SDRType.RTL_SDR
+
+    is_soapy = sdr_type not in (SDRType.RTL_SDR,)
+
     # Build acarsdec command
     # Different forks have different syntax:
     # - TLeconte v4+: acarsdec -j -g <gain> -p <ppm> -r <device> <freq1> <freq2> ...
     # - TLeconte v3: acarsdec -o 4 -g <gain> -p <ppm> -r <device> <freq1> <freq2> ...
     # - f00b4r0 (DragonOS): acarsdec --output json:file:- -g <gain> -p <ppm> -r <device> <freq1> ...
-    # Note: gain/ppm must come BEFORE -r
+    # SoapySDR devices: TLeconte uses -d <device_string>, f00b4r0 uses --soapysdr <device_string>
+    # Note: gain/ppm must come BEFORE -r/-d
     json_flag = get_acarsdec_json_flag(acarsdec_path)
     cmd = [acarsdec_path]
     if json_flag == '--output':
@@ -249,21 +281,33 @@ def start_acars() -> Response:
     else:
         cmd.extend(['-o', '4'])  # JSON output (TLeconte v3.x)
 
-    # Add gain if not auto (must be before -r)
+    # Add gain if not auto (must be before -r/-d)
     if gain and str(gain) != '0':
         cmd.extend(['-g', str(gain)])
 
-    # Add PPM correction if specified (must be before -r)
+    # Add PPM correction if specified (must be before -r/-d)
     if ppm and str(ppm) != '0':
         cmd.extend(['-p', str(ppm)])
 
     # Add device and frequencies
-    # f00b4r0 uses --rtlsdr <device>, TLeconte uses -r <device>
-    if json_flag == '--output':
+    if is_soapy:
+        # SoapySDR device (SDRplay, LimeSDR, Airspy, etc.)
+        sdr_device = SDRFactory.create_default_device(sdr_type, index=device_int)
+        # Build SoapySDR driver string (e.g., "driver=sdrplay,serial=...")
+        builder = SDRFactory.get_builder(sdr_type)
+        device_str = builder._build_device_string(sdr_device)
+        if json_flag == '--output':
+            cmd.extend(['-m', '256'])
+            cmd.extend(['--soapysdr', device_str])
+        else:
+            cmd.extend(['-d', device_str])
+    elif json_flag == '--output':
+        # f00b4r0 fork RTL-SDR: --rtlsdr <device>
         # Use 3.2 MS/s sample rate for wider bandwidth (handles NA frequency span)
         cmd.extend(['-m', '256'])
         cmd.extend(['--rtlsdr', str(device)])
     else:
+        # TLeconte fork RTL-SDR: -r <device>
         cmd.extend(['-r', str(device)])
     cmd.extend(frequencies)
 
@@ -311,6 +355,7 @@ def start_acars() -> Response:
             return jsonify({'status': 'error', 'message': error_msg}), 500
 
         app_module.acars_process = process
+        register_process(process)
 
         # Start output streaming thread
         thread = threading.Thread(
@@ -376,6 +421,10 @@ def stream_acars() -> Response:
             try:
                 msg = app_module.acars_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('acars', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -395,7 +444,7 @@ def get_frequencies() -> Response:
     return jsonify({
         'default': DEFAULT_ACARS_FREQUENCIES,
         'regions': {
-            'north_america': ['129.125', '130.025', '130.450', '131.550'],
+            'north_america': ['131.725', '131.825'],
             'europe': ['131.525', '131.725', '131.550'],
             'asia_pacific': ['131.550', '131.450'],
         }

routes/adsb.py

@@ -38,11 +38,13 @@ from config import (
     SHARED_OBSERVER_LOCATION_ENABLED,
 )
 from utils.logging import adsb_logger as logger
+from utils.process import write_dump1090_pid, clear_dump1090_pid, cleanup_stale_dump1090
 from utils.validation import (
     validate_device_index, validate_gain,
     validate_rtl_tcp_host, validate_rtl_tcp_port
 )
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.sdr import SDRFactory, SDRType
 from utils.constants import (
     ADSB_SBS_PORT,
@@ -437,6 +439,12 @@ def parse_sbs_stream(service_addr):
                             if parts[16]:
                                 try:
                                     aircraft['vertical_rate'] = int(float(parts[16]))
+                                    if abs(aircraft['vertical_rate']) > 4000:
+                                        process_event('adsb', {
+                                            'type': 'vertical_rate_anomaly', 'icao': icao,
+                                            'callsign': aircraft.get('callsign', ''),
+                                            'vertical_rate': aircraft['vertical_rate'],
+                                        }, 'vertical_rate_anomaly')
                                 except (ValueError, TypeError):
                                     pass
 
@@ -454,6 +462,14 @@ def parse_sbs_stream(service_addr):
                         elif msg_type == '6' and len(parts) > 17:
                             if parts[17]:
                                 aircraft['squawk'] = parts[17]
+                                sq = parts[17].strip()
+                                _EMERGENCY_SQUAWKS = {'7700': 'General Emergency', '7600': 'Comms Failure', '7500': 'Hijack'}
+                                if sq in _EMERGENCY_SQUAWKS:
+                                    process_event('adsb', {
+                                        'type': 'squawk_emergency', 'icao': icao,
+                                        'callsign': aircraft.get('callsign', ''),
+                                        'squawk': sq, 'meaning': _EMERGENCY_SQUAWKS[sq],
+                                    }, 'squawk_emergency')
 
                         app_module.adsb_aircraft.set(icao, aircraft)
                         pending_updates.add(icao)
@@ -486,6 +502,19 @@ def parse_sbs_stream(service_addr):
                                         'source_host': service_addr,
                                         'snapshot': snapshot,
                                     })
+                                    # Geofence check
+                                    _gf_lat = snapshot.get('lat')
+                                    _gf_lon = snapshot.get('lon')
+                                    if _gf_lat and _gf_lon:
+                                        try:
+                                            from utils.geofence import get_geofence_manager
+                                            for _gf_evt in get_geofence_manager().check_position(
+                                                update_icao, 'aircraft', _gf_lat, _gf_lon,
+                                                {'callsign': snapshot.get('callsign'), 'altitude': snapshot.get('altitude')}
+                                            ):
+                                                process_event('adsb', _gf_evt, 'geofence')
+                                        except Exception:
+                                            pass
                             pending_updates.clear()
                             last_update = now
 
@@ -632,6 +661,9 @@ def start_adsb():
             'session': session
         })
 
+    # Kill any stale app-spawned dump1090 from a previous run before checking the port
+    cleanup_stale_dump1090()
+
     # Check if dump1090 is already running externally (e.g., user started it manually)
     existing_service = check_dump1090_service()
     if existing_service:
@@ -684,6 +716,7 @@ def start_adsb():
             except (ProcessLookupError, OSError):
                 pass
         app_module.adsb_process = None
+        clear_dump1090_pid()
         logger.info("Killed stale ADS-B process")
 
     # Check if device is available before starting local dump1090
@@ -720,6 +753,7 @@ def start_adsb():
             stderr=subprocess.PIPE,
             start_new_session=True  # Create new process group for clean shutdown
         )
+        write_dump1090_pid(app_module.adsb_process.pid)
 
         time.sleep(DUMP1090_START_WAIT)
 
@@ -818,6 +852,7 @@ def stop_adsb():
                 except (ProcessLookupError, OSError):
                     pass
             app_module.adsb_process = None
+            clear_dump1090_pid()
             logger.info("ADS-B process stopped")
 
         # Release device from registry
@@ -843,6 +878,10 @@ def stream_adsb():
             try:
                 msg = app_module.adsb_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('adsb', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -1091,3 +1130,17 @@ def aircraft_photo(registration: str):
     except Exception as e:
         logger.debug(f"Error fetching aircraft photo: {e}")
         return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@adsb_bp.route('/aircraft/<icao>/messages')
+def get_aircraft_messages(icao: str):
+    """Get correlated ACARS/VDL2 messages for an aircraft."""
+    if not icao or not all(c in '0123456789ABCDEFabcdef' for c in icao):
+        return jsonify({'status': 'error', 'message': 'Invalid ICAO'}), 400
+
+    aircraft = app_module.adsb_aircraft.get(icao.upper())
+    callsign = aircraft.get('callsign') if aircraft else None
+
+    from utils.flight_correlator import get_flight_correlator
+    messages = get_flight_correlator().get_messages_for_aircraft(icao=icao.upper(), callsign=callsign)
+    return jsonify({'status': 'success', 'icao': icao.upper(), **messages})

routes/ais.py

@@ -19,6 +19,7 @@ from config import SHARED_OBSERVER_LOCATION_ENABLED
 from utils.logging import get_logger
 from utils.validation import validate_device_index, validate_gain
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.sdr import SDRFactory, SDRType
 from utils.constants import (
     AIS_TCP_PORT,
@@ -123,13 +124,27 @@ def parse_ais_stream(port: int):
                     if now - last_update >= AIS_UPDATE_INTERVAL:
                         for mmsi in pending_updates:
                             if mmsi in app_module.ais_vessels:
+                                _vessel_snap = app_module.ais_vessels[mmsi]
                                 try:
                                     app_module.ais_queue.put_nowait({
                                         'type': 'vessel',
-                                        **app_module.ais_vessels[mmsi]
+                                        **_vessel_snap
                                     })
                                 except queue.Full:
                                     pass
+                                # Geofence check
+                                _v_lat = _vessel_snap.get('lat')
+                                _v_lon = _vessel_snap.get('lon')
+                                if _v_lat and _v_lon:
+                                    try:
+                                        from utils.geofence import get_geofence_manager
+                                        for _gf_evt in get_geofence_manager().check_position(
+                                            mmsi, 'vessel', _v_lat, _v_lon,
+                                            {'name': _vessel_snap.get('name'), 'ship_type': _vessel_snap.get('ship_type_text')}
+                                        ):
+                                            process_event('ais', _gf_evt, 'geofence')
+                                    except Exception:
+                                        pass
                         pending_updates.clear()
                         last_update = now
 
@@ -281,6 +296,16 @@ def process_ais_message(msg: dict) -> dict | None:
     # Timestamp
     vessel['last_seen'] = time.time()
 
+    # Check for DSC DISTRESS matching this MMSI
+    try:
+        for _dsc_key, _dsc_msg in app_module.dsc_messages.items():
+            if (str(_dsc_msg.get('source_mmsi', '')) == mmsi
+                    and _dsc_msg.get('category', '').upper() == 'DISTRESS'):
+                vessel['dsc_distress'] = True
+                break
+    except Exception:
+        pass
+
     return vessel
 
 
@@ -484,6 +509,10 @@ def stream_ais():
             try:
                 msg = app_module.ais_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('ais', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -497,6 +526,23 @@ def stream_ais():
     return response
 
 
+@ais_bp.route('/vessel/<mmsi>/dsc')
+def get_vessel_dsc(mmsi: str):
+    """Get DSC messages associated with a vessel MMSI."""
+    if not mmsi or not mmsi.isdigit():
+        return jsonify({'status': 'error', 'message': 'Invalid MMSI'}), 400
+
+    matches = []
+    try:
+        for key, msg in app_module.dsc_messages.items():
+            if str(msg.get('source_mmsi', '')) == mmsi:
+                matches.append(dict(msg))
+    except Exception:
+        pass
+
+    return jsonify({'status': 'success', 'mmsi': mmsi, 'dsc_messages': matches})
+
+
 @ais_bp.route('/dashboard')
 def ais_dashboard():
     """Popout AIS dashboard."""

routes/alerts.py

@@ -0,0 +1,76 @@
+"""Alerting API endpoints."""
+
+from __future__ import annotations
+
+import queue
+import time
+from typing import Generator
+
+from flask import Blueprint, Response, jsonify, request
+
+from utils.alerts import get_alert_manager
+from utils.sse import format_sse
+
+alerts_bp = Blueprint('alerts', __name__, url_prefix='/alerts')
+
+
+@alerts_bp.route('/rules', methods=['GET'])
+def list_rules():
+    manager = get_alert_manager()
+    include_disabled = request.args.get('all') in ('1', 'true', 'yes')
+    return jsonify({'status': 'success', 'rules': manager.list_rules(include_disabled=include_disabled)})
+
+
+@alerts_bp.route('/rules', methods=['POST'])
+def create_rule():
+    data = request.get_json() or {}
+    if not isinstance(data.get('match', {}), dict):
+        return jsonify({'status': 'error', 'message': 'match must be a JSON object'}), 400
+
+    manager = get_alert_manager()
+    rule_id = manager.add_rule(data)
+    return jsonify({'status': 'success', 'rule_id': rule_id})
+
+
+@alerts_bp.route('/rules/<int:rule_id>', methods=['PUT', 'PATCH'])
+def update_rule(rule_id: int):
+    data = request.get_json() or {}
+    manager = get_alert_manager()
+    ok = manager.update_rule(rule_id, data)
+    if not ok:
+        return jsonify({'status': 'error', 'message': 'Rule not found or no changes'}), 404
+    return jsonify({'status': 'success'})
+
+
+@alerts_bp.route('/rules/<int:rule_id>', methods=['DELETE'])
+def delete_rule(rule_id: int):
+    manager = get_alert_manager()
+    ok = manager.delete_rule(rule_id)
+    if not ok:
+        return jsonify({'status': 'error', 'message': 'Rule not found'}), 404
+    return jsonify({'status': 'success'})
+
+
+@alerts_bp.route('/events', methods=['GET'])
+def list_events():
+    manager = get_alert_manager()
+    limit = request.args.get('limit', default=100, type=int)
+    mode = request.args.get('mode')
+    severity = request.args.get('severity')
+    events = manager.list_events(limit=limit, mode=mode, severity=severity)
+    return jsonify({'status': 'success', 'events': events})
+
+
+@alerts_bp.route('/stream', methods=['GET'])
+def stream_alerts() -> Response:
+    manager = get_alert_manager()
+
+    def generate() -> Generator[str, None, None]:
+        for event in manager.stream_events(timeout=1.0):
+            yield format_sse(event)
+
+    response = Response(generate(), mimetype='text/event-stream')
+    response.headers['Cache-Control'] = 'no-cache'
+    response.headers['X-Accel-Buffering'] = 'no'
+    response.headers['Connection'] = 'keep-alive'
+    return response

routes/analytics.py

@@ -0,0 +1,207 @@
+"""Analytics dashboard: cross-mode summary, activity sparklines, export, geofence CRUD."""
+
+from __future__ import annotations
+
+import csv
+import io
+import json
+
+from flask import Blueprint, Response, jsonify, request
+
+import app as app_module
+from utils.analytics import (
+    get_activity_tracker,
+    get_cross_mode_summary,
+    get_emergency_squawks,
+    get_mode_health,
+)
+from utils.flight_correlator import get_flight_correlator
+from utils.geofence import get_geofence_manager
+from utils.temporal_patterns import get_pattern_detector
+
+analytics_bp = Blueprint('analytics', __name__, url_prefix='/analytics')
+
+
+# Map mode names to DataStore attribute(s)
+MODE_STORES: dict[str, list[str]] = {
+    'adsb': ['adsb_aircraft'],
+    'ais': ['ais_vessels'],
+    'wifi': ['wifi_networks', 'wifi_clients'],
+    'bluetooth': ['bt_devices'],
+    'dsc': ['dsc_messages'],
+}
+
+
+@analytics_bp.route('/summary')
+def analytics_summary():
+    """Return cross-mode counts, health, and emergency squawks."""
+    return jsonify({
+        'status': 'success',
+        'counts': get_cross_mode_summary(),
+        'health': get_mode_health(),
+        'squawks': get_emergency_squawks(),
+        'flight_messages': {
+            'acars': get_flight_correlator().acars_count,
+            'vdl2': get_flight_correlator().vdl2_count,
+        },
+    })
+
+
+@analytics_bp.route('/activity')
+def analytics_activity():
+    """Return sparkline arrays for each mode."""
+    tracker = get_activity_tracker()
+    return jsonify({
+        'status': 'success',
+        'sparklines': tracker.get_all_sparklines(),
+    })
+
+
+@analytics_bp.route('/squawks')
+def analytics_squawks():
+    """Return current emergency squawk codes from ADS-B."""
+    return jsonify({
+        'status': 'success',
+        'squawks': get_emergency_squawks(),
+    })
+
+
+@analytics_bp.route('/patterns')
+def analytics_patterns():
+    """Return detected temporal patterns."""
+    return jsonify({
+        'status': 'success',
+        'patterns': get_pattern_detector().get_all_patterns(),
+    })
+
+
+@analytics_bp.route('/export/<mode>')
+def analytics_export(mode: str):
+    """Export current DataStore contents as JSON or CSV."""
+    fmt = request.args.get('format', 'json').lower()
+
+    if mode == 'sensor':
+        # Sensor doesn't use DataStore; return recent queue-based data
+        return jsonify({'status': 'success', 'data': [], 'message': 'Sensor data is stream-only'})
+
+    store_names = MODE_STORES.get(mode)
+    if not store_names:
+        return jsonify({'status': 'error', 'message': f'Unknown mode: {mode}'}), 400
+
+    all_items: list[dict] = []
+
+    # Try v2 scanners first for wifi/bluetooth
+    if mode == 'wifi':
+        try:
+            from utils.wifi.scanner import _scanner_instance as wifi_scanner
+            if wifi_scanner is not None:
+                for ap in wifi_scanner.access_points:
+                    all_items.append(ap.to_dict())
+                for client in wifi_scanner.clients:
+                    item = client.to_dict()
+                    item['_store'] = 'wifi_clients'
+                    all_items.append(item)
+        except Exception:
+            pass
+    elif mode == 'bluetooth':
+        try:
+            from utils.bluetooth.scanner import _scanner_instance as bt_scanner
+            if bt_scanner is not None:
+                for dev in bt_scanner.get_devices():
+                    all_items.append(dev.to_dict())
+        except Exception:
+            pass
+
+    # Fall back to legacy DataStores if v2 scanners yielded nothing
+    if not all_items:
+        for store_name in store_names:
+            store = getattr(app_module, store_name, None)
+            if store is None:
+                continue
+            for key, value in store.items():
+                item = dict(value) if isinstance(value, dict) else {'id': key, 'value': value}
+                item.setdefault('_store', store_name)
+                all_items.append(item)
+
+    if fmt == 'csv':
+        if not all_items:
+            output = ''
+        else:
+            # Collect all keys across items
+            fieldnames: list[str] = []
+            seen: set[str] = set()
+            for item in all_items:
+                for k in item:
+                    if k not in seen:
+                        fieldnames.append(k)
+                        seen.add(k)
+
+            buf = io.StringIO()
+            writer = csv.DictWriter(buf, fieldnames=fieldnames, extrasaction='ignore')
+            writer.writeheader()
+            for item in all_items:
+                # Serialize non-scalar values
+                row = {}
+                for k in fieldnames:
+                    v = item.get(k)
+                    if isinstance(v, (dict, list)):
+                        row[k] = json.dumps(v)
+                    else:
+                        row[k] = v
+                writer.writerow(row)
+            output = buf.getvalue()
+
+        response = Response(output, mimetype='text/csv')
+        response.headers['Content-Disposition'] = f'attachment; filename={mode}_export.csv'
+        return response
+
+    # Default: JSON
+    return jsonify({'status': 'success', 'mode': mode, 'count': len(all_items), 'data': all_items})
+
+
+# =========================================================================
+# Geofence CRUD
+# =========================================================================
+
+@analytics_bp.route('/geofences')
+def list_geofences():
+    return jsonify({
+        'status': 'success',
+        'zones': get_geofence_manager().list_zones(),
+    })
+
+
+@analytics_bp.route('/geofences', methods=['POST'])
+def create_geofence():
+    data = request.get_json() or {}
+    name = data.get('name')
+    lat = data.get('lat')
+    lon = data.get('lon')
+    radius_m = data.get('radius_m')
+
+    if not all([name, lat is not None, lon is not None, radius_m is not None]):
+        return jsonify({'status': 'error', 'message': 'name, lat, lon, radius_m are required'}), 400
+
+    try:
+        lat = float(lat)
+        lon = float(lon)
+        radius_m = float(radius_m)
+    except (TypeError, ValueError):
+        return jsonify({'status': 'error', 'message': 'lat, lon, radius_m must be numbers'}), 400
+
+    if not (-90 <= lat <= 90) or not (-180 <= lon <= 180):
+        return jsonify({'status': 'error', 'message': 'Invalid coordinates'}), 400
+    if radius_m <= 0:
+        return jsonify({'status': 'error', 'message': 'radius_m must be positive'}), 400
+
+    alert_on = data.get('alert_on', 'enter_exit')
+    zone_id = get_geofence_manager().add_zone(name, lat, lon, radius_m, alert_on)
+    return jsonify({'status': 'success', 'zone_id': zone_id})
+
+
+@analytics_bp.route('/geofences/<int:zone_id>', methods=['DELETE'])
+def delete_geofence(zone_id: int):
+    ok = get_geofence_manager().delete_zone(zone_id)
+    if not ok:
+        return jsonify({'status': 'error', 'message': 'Zone not found'}), 404
+    return jsonify({'status': 'success'})

routes/aprs.py

@@ -22,6 +22,8 @@ import app as app_module
 from utils.logging import sensor_logger as logger
 from utils.validation import validate_device_index, validate_gain, validate_ppm
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
+from utils.sdr import SDRFactory, SDRType
 from utils.constants import (
     PROCESS_TERMINATE_TIMEOUT,
     SSE_KEEPALIVE_INTERVAL,
@@ -45,6 +47,7 @@ APRS_FREQUENCIES = {
     'brazil': '145.570',
     'japan': '144.640',
     'china': '144.640',
+    'iss': '145.825',
 }
 
 # Statistics
@@ -52,6 +55,7 @@ aprs_packet_count = 0
 aprs_station_count = 0
 aprs_last_packet_time = None
 aprs_stations = {}  # callsign -> station data
+APRS_MAX_STATIONS = 500  # Limit tracked stations to prevent memory growth
 
 # Meter rate limiting
 _last_meter_time = 0.0
@@ -75,6 +79,11 @@ def find_rtl_fm() -> Optional[str]:
     return shutil.which('rtl_fm')
 
 
+def find_rx_fm() -> Optional[str]:
+    """Find SoapySDR rx_fm binary."""
+    return shutil.which('rx_fm')
+
+
 def find_rtl_power() -> Optional[str]:
     """Find rtl_power binary for spectrum scanning."""
     return shutil.which('rtl_power')
@@ -1370,6 +1379,26 @@ def stream_aprs_output(rtl_process: subprocess.Popen, decoder_process: subproces
                         'last_seen': packet.get('timestamp'),
                         'packet_type': packet.get('packet_type'),
                     }
+                    # Geofence check
+                    _aprs_lat = packet.get('lat')
+                    _aprs_lon = packet.get('lon')
+                    if _aprs_lat and _aprs_lon:
+                        try:
+                            from utils.geofence import get_geofence_manager
+                            for _gf_evt in get_geofence_manager().check_position(
+                                callsign, 'aprs_station', _aprs_lat, _aprs_lon,
+                                {'callsign': callsign}
+                            ):
+                                process_event('aprs', _gf_evt, 'geofence')
+                        except Exception:
+                            pass
+                    # Evict oldest stations when limit is exceeded
+                    if len(aprs_stations) > APRS_MAX_STATIONS:
+                        oldest = min(
+                            aprs_stations,
+                            key=lambda k: aprs_stations[k].get('last_seen', ''),
+                        )
+                        del aprs_stations[oldest]
 
                 app_module.aprs_queue.put(packet)
 
@@ -1408,14 +1437,17 @@ def stream_aprs_output(rtl_process: subprocess.Popen, decoder_process: subproces
 def check_aprs_tools() -> Response:
     """Check for APRS decoding tools."""
     has_rtl_fm = find_rtl_fm() is not None
+    has_rx_fm = find_rx_fm() is not None
     has_direwolf = find_direwolf() is not None
     has_multimon = find_multimon_ng() is not None
+    has_fm_demod = has_rtl_fm or has_rx_fm
 
     return jsonify({
         'rtl_fm': has_rtl_fm,
+        'rx_fm': has_rx_fm,
         'direwolf': has_direwolf,
         'multimon_ng': has_multimon,
-        'ready': has_rtl_fm and (has_direwolf or has_multimon),
+        'ready': has_fm_demod and (has_direwolf or has_multimon),
         'decoder': 'direwolf' if has_direwolf else ('multimon-ng' if has_multimon else None)
     })
 
@@ -1458,14 +1490,6 @@ def start_aprs() -> Response:
                 'message': 'APRS decoder already running'
             }), 409
 
-    # Check for required tools
-    rtl_fm_path = find_rtl_fm()
-    if not rtl_fm_path:
-        return jsonify({
-            'status': 'error',
-            'message': 'rtl_fm not found. Install with: sudo apt install rtl-sdr'
-        }), 400
-
     # Check for decoder (prefer direwolf, fallback to multimon-ng)
     direwolf_path = find_direwolf()
     multimon_path = find_multimon_ng()
@@ -1486,8 +1510,27 @@ def start_aprs() -> Response:
     except ValueError as e:
         return jsonify({'status': 'error', 'message': str(e)}), 400
 
+    sdr_type_str = str(data.get('sdr_type', 'rtlsdr')).lower()
+    try:
+        sdr_type = SDRType(sdr_type_str)
+    except ValueError:
+        sdr_type = SDRType.RTL_SDR
+
+    if sdr_type == SDRType.RTL_SDR:
+        if find_rtl_fm() is None:
+            return jsonify({
+                'status': 'error',
+                'message': 'rtl_fm not found. Install with: sudo apt install rtl-sdr'
+            }), 400
+    else:
+        if find_rx_fm() is None:
+            return jsonify({
+                'status': 'error',
+                'message': f'rx_fm not found. Install SoapySDR tools for {sdr_type.value}.'
+            }), 400
+
     # Reserve SDR device to prevent conflicts with other modes
-    error = app_module.reserve_sdr_device(device, 'APRS')
+    error = app_module.claim_sdr_device(device, 'aprs')
     if error:
         return jsonify({
             'status': 'error',
@@ -1516,28 +1559,29 @@ def start_aprs() -> Response:
     aprs_last_packet_time = None
     aprs_stations = {}
 
-    # Build rtl_fm command for APRS (narrowband FM at 22050 Hz for AFSK1200)
-    freq_hz = f"{float(frequency)}M"
-    rtl_cmd = [
-        rtl_fm_path,
-        '-f', freq_hz,
-        '-M', 'nfm',             # Narrowband FM for APRS
-        '-s', '22050',           # Sample rate matching direwolf -r 22050
-        '-E', 'dc',              # Enable DC blocking filter for cleaner audio
-        '-A', 'fast',            # Fast AGC for packet bursts
-        '-d', str(device),
-    ]
+    # Build FM demod command for APRS (AFSK1200 @ 22050 Hz) via SDR abstraction.
+    try:
+        sdr_device = SDRFactory.create_default_device(sdr_type, index=device)
+        builder = SDRFactory.get_builder(sdr_type)
+        rtl_cmd = builder.build_fm_demod_command(
+            device=sdr_device,
+            frequency_mhz=float(frequency),
+            sample_rate=22050,
+            gain=float(gain) if gain and str(gain) != '0' else None,
+            ppm=int(ppm) if ppm and str(ppm) != '0' else None,
+            modulation='nfm' if sdr_type == SDRType.RTL_SDR else 'fm',
+            squelch=None,
+            bias_t=bool(data.get('bias_t', False)),
+        )
 
-    # Gain: 0 means auto, otherwise set specific gain
-    if gain and str(gain) != '0':
-        rtl_cmd.extend(['-g', str(gain)])
-
-    # PPM frequency correction
-    if ppm and str(ppm) != '0':
-        rtl_cmd.extend(['-p', str(ppm)])
-
-    # Output raw audio to stdout
-    rtl_cmd.append('-')
+        if sdr_type == SDRType.RTL_SDR and rtl_cmd and rtl_cmd[-1] == '-':
+            # APRS benefits from DC blocking + fast AGC on rtl_fm.
+            rtl_cmd = rtl_cmd[:-1] + ['-E', 'dc', '-A', 'fast', '-']
+    except Exception as e:
+        if aprs_active_device is not None:
+            app_module.release_sdr_device(aprs_active_device)
+            aprs_active_device = None
+        return jsonify({'status': 'error', 'message': f'Failed to build SDR command: {e}'}), 500
 
     # Build decoder command
     if direwolf_path:
@@ -1665,6 +1709,7 @@ def start_aprs() -> Response:
             'frequency': frequency,
             'region': region,
             'device': device,
+            'sdr_type': sdr_type.value,
             'decoder': decoder_name
         })
 
@@ -1727,6 +1772,10 @@ def stream_aprs() -> Response:
             try:
                 msg = app_module.aprs_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('aprs', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()

routes/audio_websocket.py

@@ -1,10 +1,11 @@
 """WebSocket-based audio streaming for SDR."""
 
+import json
+import shutil
+import socket
 import subprocess
 import threading
 import time
-import shutil
-import json
 from flask import Flask
 
 # Try to import flask-sock
@@ -36,11 +37,17 @@ def find_rtl_fm():
     return shutil.which('rtl_fm')
 
 
-def find_ffmpeg():
-    return shutil.which('ffmpeg')
-
-
-def kill_audio_processes():
+def find_ffmpeg():
+    return shutil.which('ffmpeg')
+
+
+def _rtl_fm_demod_mode(modulation):
+    """Map UI modulation names to rtl_fm demod tokens."""
+    mod = str(modulation or '').lower().strip()
+    return 'wbfm' if mod == 'wfm' else mod
+
+
+def kill_audio_processes():
     """Kill any running audio processes."""
     global audio_process, rtl_process
 
@@ -66,12 +73,6 @@ def kill_audio_processes():
                 pass
         rtl_process = None
 
-    # Kill any orphaned processes
-    try:
-        subprocess.run(['pkill', '-9', '-f', 'rtl_fm'], capture_output=True, timeout=1)
-    except:
-        pass
-
     time.sleep(0.3)
 
 
@@ -109,14 +110,14 @@ def start_audio_stream(config):
 
     freq_hz = int(freq * 1e6)
 
-    rtl_cmd = [
-        rtl_fm,
-        '-M', mod,
-        '-f', str(freq_hz),
-        '-s', str(sample_rate),
-        '-r', str(resample_rate),
-        '-g', str(gain),
-        '-d', str(device),
+    rtl_cmd = [
+        rtl_fm,
+        '-M', _rtl_fm_demod_mode(mod),
+        '-f', str(freq_hz),
+        '-s', str(sample_rate),
+        '-r', str(resample_rate),
+        '-g', str(gain),
+        '-d', str(device),
         '-l', str(squelch),
     ]
 
@@ -228,13 +229,13 @@ def init_audio_websocket(app: Flask):
 
                 except TimeoutError:
                     pass
-                except Exception as e:
-                    msg = str(e).lower()
-                    if "connection closed" in msg:
-                        logger.info("WebSocket closed by client")
-                        break
-                    if "timed out" not in msg:
-                        logger.error(f"WebSocket receive error: {e}")
+                except Exception as e:
+                    msg = str(e).lower()
+                    if "connection closed" in msg:
+                        logger.info("WebSocket closed by client")
+                        break
+                    if "timed out" not in msg:
+                        logger.error(f"WebSocket receive error: {e}")
 
                 # Stream audio data if active
                 if streaming and proc and proc.poll() is None:
@@ -257,4 +258,19 @@ def init_audio_websocket(app: Flask):
         finally:
             with process_lock:
                 kill_audio_processes()
+            # Complete WebSocket close handshake, then shut down the
+            # raw socket so Werkzeug cannot write its HTTP 200 response
+            # on top of the WebSocket stream.
+            try:
+                ws.close()
+            except Exception:
+                pass
+            try:
+                ws.sock.shutdown(socket.SHUT_RDWR)
+            except Exception:
+                pass
+            try:
+                ws.sock.close()
+            except Exception:
+                pass
             logger.info("WebSocket audio client disconnected")

routes/bluetooth.py

@@ -18,10 +18,11 @@ from typing import Any, Generator
 from flask import Blueprint, jsonify, request, Response
 
 import app as app_module
-from utils.dependencies import check_tool
-from utils.logging import bluetooth_logger as logger
-from utils.sse import format_sse
-from utils.validation import validate_bluetooth_interface
+from utils.dependencies import check_tool
+from utils.logging import bluetooth_logger as logger
+from utils.sse import format_sse
+from utils.event_pipeline import process_event
+from utils.validation import validate_bluetooth_interface
 from data.oui import OUI_DATABASE, load_oui_database, get_manufacturer
 from data.patterns import AIRTAG_PREFIXES, TILE_PREFIXES, SAMSUNG_TRACKER
 from utils.constants import (
@@ -561,9 +562,13 @@ def stream_bt():
 
         while True:
             try:
-                msg = app_module.bt_queue.get(timeout=1)
-                last_keepalive = time.time()
-                yield format_sse(msg)
+                msg = app_module.bt_queue.get(timeout=1)
+                last_keepalive = time.time()
+                try:
+                    process_event('bluetooth', msg, msg.get('type'))
+                except Exception:
+                    pass
+                yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
                 if now - last_keepalive >= keepalive_interval:

routes/bluetooth_v2.py

@@ -11,6 +11,8 @@ import csv
 import io
 import json
 import logging
+import threading
+import time
 from datetime import datetime
 from typing import Generator
 
@@ -28,12 +30,18 @@ from utils.bluetooth import (
 )
 from utils.database import get_db
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 
 logger = logging.getLogger('intercept.bluetooth_v2')
 
 # Blueprint
 bluetooth_v2_bp = Blueprint('bluetooth_v2', __name__, url_prefix='/api/bluetooth')
 
+# Seen-before tracking
+_bt_seen_cache: set[str] = set()
+_bt_session_seen: set[str] = set()
+_bt_seen_lock = threading.Lock()
+
 # =============================================================================
 # DATABASE FUNCTIONS
 # =============================================================================
@@ -173,6 +181,13 @@ def save_observation_history(device: BTDeviceAggregate) -> None:
         ''', (device.device_id, device.rssi_current, device.seen_count))
 
 
+def load_seen_device_ids() -> set[str]:
+    """Load distinct device IDs from history for seen-before tracking."""
+    with get_db() as conn:
+        cursor = conn.execute('SELECT DISTINCT device_id FROM bt_observation_history')
+        return {row['device_id'] for row in cursor}
+
+
 # =============================================================================
 # API ENDPOINTS
 # =============================================================================
@@ -214,13 +229,35 @@ def start_scan():
     rssi_threshold = data.get('rssi_threshold', -100)
 
     # Validate mode
-    valid_modes = ('auto', 'dbus', 'bleak', 'hcitool', 'bluetoothctl')
+    valid_modes = ('auto', 'dbus', 'bleak', 'hcitool', 'bluetoothctl', 'ubertooth')
     if mode not in valid_modes:
         return jsonify({'error': f'Invalid mode. Must be one of: {valid_modes}'}), 400
 
     # Get scanner instance
     scanner = get_bluetooth_scanner(adapter_id)
 
+    # Initialize database tables if needed
+    init_bt_tables()
+
+    def _handle_seen_before(device: BTDeviceAggregate) -> None:
+        try:
+            with _bt_seen_lock:
+                device.seen_before = device.device_id in _bt_seen_cache
+                if device.device_id not in _bt_session_seen:
+                    save_observation_history(device)
+                    _bt_session_seen.add(device.device_id)
+        except Exception as e:
+            logger.debug(f"BT seen-before update failed: {e}")
+
+    # Setup seen-before callback
+    if _handle_seen_before not in scanner._on_device_updated_callbacks:
+        scanner.add_device_callback(_handle_seen_before)
+
+    # Ensure cache is initialized
+    with _bt_seen_lock:
+        if not _bt_seen_cache:
+            _bt_seen_cache.update(load_seen_device_ids())
+
     # Check if already scanning
     if scanner.is_scanning:
         return jsonify({
@@ -228,8 +265,11 @@ def start_scan():
             'scan_status': scanner.get_status().to_dict()
         })
 
-    # Initialize database tables if needed
-    init_bt_tables()
+    # Refresh seen-before cache and reset session set for a new scan
+    with _bt_seen_lock:
+        _bt_seen_cache.clear()
+        _bt_seen_cache.update(load_seen_device_ids())
+        _bt_session_seen.clear()
 
     # Load active baseline if exists
     baseline_id = get_active_baseline_id()
@@ -860,6 +900,10 @@ def stream_events():
         """Generate SSE events from scanner."""
         for event in scanner.stream_events(timeout=1.0):
             event_name, event_data = map_event_type(event)
+            try:
+                process_event('bluetooth', event_data, event_name)
+            except Exception:
+                pass
             yield format_sse(event_data, event=event_name)
 
     return Response(
@@ -947,6 +991,17 @@ def get_tscm_bluetooth_snapshot(duration: int = 8) -> list[dict]:
     # Convert to TSCM format with tracker detection data
     tscm_devices = []
     for device in devices:
+        manufacturer_name = device.manufacturer_name
+        if (not manufacturer_name) or str(manufacturer_name).lower().startswith('unknown'):
+            if device.address and not device.is_randomized_mac:
+                try:
+                    from data.oui import get_manufacturer
+                    oui_vendor = get_manufacturer(device.address)
+                    if oui_vendor and oui_vendor != 'Unknown':
+                        manufacturer_name = oui_vendor
+                except Exception:
+                    pass
+
         device_data = {
             'mac': device.address,
             'address_type': device.address_type,
@@ -956,7 +1011,7 @@ def get_tscm_bluetooth_snapshot(duration: int = 8) -> list[dict]:
             'rssi_median': device.rssi_median,
             'rssi_ema': round(device.rssi_ema, 1) if device.rssi_ema else None,
             'type': _classify_device_type(device),
-            'manufacturer': device.manufacturer_name,
+            'manufacturer': manufacturer_name,
             'manufacturer_id': device.manufacturer_id,
             'manufacturer_data': device.manufacturer_bytes.hex() if device.manufacturer_bytes else None,
             'protocol': device.protocol,
@@ -1178,6 +1233,30 @@ def _classify_device_type(device: BTDeviceAggregate) -> str:
     """Classify device type from available data."""
     name_lower = (device.name or '').lower()
     manufacturer_lower = (device.manufacturer_name or '').lower()
+    service_uuids = device.service_uuids or []
+
+    if (not manufacturer_lower) or manufacturer_lower.startswith('unknown'):
+        if device.address and not device.is_randomized_mac:
+            try:
+                from data.oui import get_manufacturer
+                oui_vendor = get_manufacturer(device.address)
+                if oui_vendor and oui_vendor != 'Unknown':
+                    manufacturer_lower = oui_vendor.lower()
+            except Exception:
+                pass
+
+    def normalize_uuid(uuid: str) -> str:
+        if not uuid:
+            return ''
+        value = str(uuid).lower().strip()
+        if value.startswith('0x'):
+            value = value[2:]
+        # Bluetooth Base UUID normalization (16-bit UUIDs)
+        if value.endswith('-0000-1000-8000-00805f9b34fb') and len(value) >= 8:
+            return value[4:8]
+        if len(value) == 4:
+            return value
+        return value
 
     # Check by name patterns
     if any(x in name_lower for x in ['airpods', 'headphone', 'earbuds', 'buds', 'beats']):
@@ -1197,6 +1276,29 @@ def _classify_device_type(device: BTDeviceAggregate) -> str:
     if any(x in name_lower for x in ['tv', 'chromecast', 'roku', 'firestick']):
         return 'media'
 
+    # Tracker signals (metadata or Find My service)
+    if getattr(device, 'is_tracker', False) or getattr(device, 'tracker_type', None):
+        return 'tracker'
+
+    normalized_uuids = {normalize_uuid(u) for u in service_uuids if u}
+    if 'fd6f' in normalized_uuids:
+        return 'tracker'
+
+    # Service UUIDs (GATT / classic)
+    audio_uuids = {'110b', '110a', '111e', '111f', '1108', '1203'}
+    wearable_uuids = {'180d', '1814', '1816'}
+    hid_uuids = {'1812'}
+    beacon_uuids = {'feaa', 'feab', 'feb1', 'febe'}
+
+    if normalized_uuids & audio_uuids:
+        return 'audio'
+    if normalized_uuids & hid_uuids:
+        return 'peripheral'
+    if normalized_uuids & wearable_uuids:
+        return 'wearable'
+    if normalized_uuids & beacon_uuids:
+        return 'beacon'
+
     # Check by manufacturer
     if 'apple' in manufacturer_lower:
         return 'apple_device'

routes/bt_locate.py

@@ -0,0 +1,284 @@
+"""
+BT Locate — Bluetooth SAR Device Location Flask Blueprint.
+
+Provides endpoints for managing locate sessions, streaming detection events,
+and retrieving GPS-tagged signal trails.
+"""
+
+from __future__ import annotations
+
+import logging
+from collections.abc import Generator
+
+from flask import Blueprint, Response, jsonify, request
+
+from utils.bluetooth.irk_extractor import get_paired_irks
+from utils.bt_locate import (
+    Environment,
+    LocateTarget,
+    get_locate_session,
+    resolve_rpa,
+    start_locate_session,
+    stop_locate_session,
+)
+from utils.sse import format_sse
+
+logger = logging.getLogger('intercept.bt_locate')
+
+bt_locate_bp = Blueprint('bt_locate', __name__, url_prefix='/bt_locate')
+
+
+@bt_locate_bp.route('/start', methods=['POST'])
+def start_session():
+    """
+    Start a locate session.
+
+    Request JSON:
+        - mac_address: Target MAC address (optional)
+        - name_pattern: Target name substring (optional)
+        - irk_hex: Identity Resolving Key hex string (optional)
+        - device_id: Device ID from Bluetooth scanner (optional)
+        - known_name: Hand-off device name (optional)
+        - known_manufacturer: Hand-off manufacturer (optional)
+        - last_known_rssi: Hand-off last RSSI (optional)
+        - environment: 'FREE_SPACE', 'OUTDOOR', 'INDOOR', 'CUSTOM' (default: OUTDOOR)
+        - custom_exponent: Path loss exponent for CUSTOM environment (optional)
+
+    Returns:
+        JSON with session status.
+    """
+    data = request.get_json() or {}
+
+    # Build target
+    target = LocateTarget(
+        mac_address=data.get('mac_address'),
+        name_pattern=data.get('name_pattern'),
+        irk_hex=data.get('irk_hex'),
+        device_id=data.get('device_id'),
+        known_name=data.get('known_name'),
+        known_manufacturer=data.get('known_manufacturer'),
+        last_known_rssi=data.get('last_known_rssi'),
+    )
+
+    # At least one identifier required
+    if not any([target.mac_address, target.name_pattern, target.irk_hex, target.device_id]):
+        return jsonify({'error': 'At least one target identifier required (mac_address, name_pattern, irk_hex, or device_id)'}), 400
+
+    # Parse environment
+    env_str = data.get('environment', 'OUTDOOR').upper()
+    try:
+        environment = Environment[env_str]
+    except KeyError:
+        return jsonify({'error': f'Invalid environment: {env_str}'}), 400
+
+    custom_exponent = data.get('custom_exponent')
+    if custom_exponent is not None:
+        try:
+            custom_exponent = float(custom_exponent)
+        except (ValueError, TypeError):
+            return jsonify({'error': 'custom_exponent must be a number'}), 400
+
+    # Fallback coordinates when GPS is unavailable (from user settings)
+    fallback_lat = None
+    fallback_lon = None
+    if data.get('fallback_lat') is not None and data.get('fallback_lon') is not None:
+        try:
+            fallback_lat = float(data['fallback_lat'])
+            fallback_lon = float(data['fallback_lon'])
+        except (ValueError, TypeError):
+            pass
+
+    logger.info(
+        f"Starting locate session: target={target.to_dict()}, "
+        f"env={environment.name}, fallback=({fallback_lat}, {fallback_lon})"
+    )
+
+    session = start_locate_session(
+        target, environment, custom_exponent, fallback_lat, fallback_lon
+    )
+
+    return jsonify({
+        'status': 'started',
+        'session': session.get_status(),
+    })
+
+
+@bt_locate_bp.route('/stop', methods=['POST'])
+def stop_session():
+    """Stop the active locate session."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({'status': 'no_session'})
+
+    stop_locate_session()
+    return jsonify({'status': 'stopped'})
+
+
+@bt_locate_bp.route('/status', methods=['GET'])
+def get_status():
+    """Get locate session status."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({
+            'active': False,
+            'target': None,
+        })
+
+    return jsonify(session.get_status())
+
+
+@bt_locate_bp.route('/trail', methods=['GET'])
+def get_trail():
+    """Get detection trail data."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({'trail': [], 'gps_trail': []})
+
+    return jsonify({
+        'trail': session.get_trail(),
+        'gps_trail': session.get_gps_trail(),
+    })
+
+
+@bt_locate_bp.route('/stream', methods=['GET'])
+def stream_detections():
+    """SSE stream of detection events."""
+
+    def event_generator() -> Generator[str, None, None]:
+        while True:
+            # Re-fetch session each iteration in case it changes
+            s = get_locate_session()
+            if not s:
+                yield format_sse({'type': 'session_ended'}, event='session_ended')
+                return
+
+            try:
+                event = s.event_queue.get(timeout=2.0)
+                yield format_sse(event, event='detection')
+            except Exception:
+                yield format_sse({}, event='ping')
+
+    return Response(
+        event_generator(),
+        mimetype='text/event-stream',
+        headers={
+            'Cache-Control': 'no-cache',
+            'Connection': 'keep-alive',
+            'X-Accel-Buffering': 'no',
+        }
+    )
+
+
+@bt_locate_bp.route('/resolve_rpa', methods=['POST'])
+def test_resolve_rpa():
+    """
+    Test if an IRK resolves to a given address.
+
+    Request JSON:
+        - irk_hex: 16-byte IRK as hex string
+        - address: BLE address string
+
+    Returns:
+        JSON with resolution result.
+    """
+    data = request.get_json() or {}
+    irk_hex = data.get('irk_hex', '')
+    address = data.get('address', '')
+
+    if not irk_hex or not address:
+        return jsonify({'error': 'irk_hex and address are required'}), 400
+
+    try:
+        irk = bytes.fromhex(irk_hex)
+    except ValueError:
+        return jsonify({'error': 'Invalid IRK hex string'}), 400
+
+    if len(irk) != 16:
+        return jsonify({'error': 'IRK must be exactly 16 bytes (32 hex characters)'}), 400
+
+    result = resolve_rpa(irk, address)
+    return jsonify({
+        'resolved': result,
+        'irk_hex': irk_hex,
+        'address': address,
+    })
+
+
+@bt_locate_bp.route('/environment', methods=['POST'])
+def set_environment():
+    """Update the environment on the active session."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({'error': 'no active session'}), 400
+
+    data = request.get_json() or {}
+    env_str = data.get('environment', '').upper()
+    try:
+        environment = Environment[env_str]
+    except KeyError:
+        return jsonify({'error': f'Invalid environment: {env_str}'}), 400
+
+    custom_exponent = data.get('custom_exponent')
+    if custom_exponent is not None:
+        try:
+            custom_exponent = float(custom_exponent)
+        except (ValueError, TypeError):
+            custom_exponent = None
+
+    session.set_environment(environment, custom_exponent)
+    return jsonify({
+        'status': 'updated',
+        'environment': environment.name,
+        'path_loss_exponent': session.estimator.n,
+    })
+
+
+@bt_locate_bp.route('/debug', methods=['GET'])
+def debug_matching():
+    """Debug endpoint showing scanner devices and match results."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({'error': 'no session'})
+
+    scanner = session._scanner
+    if not scanner:
+        return jsonify({'error': 'no scanner'})
+
+    devices = scanner.get_devices(max_age_seconds=30)
+    return jsonify({
+        'target': session.target.to_dict(),
+        'device_count': len(devices),
+        'devices': [
+            {
+                'device_id': d.device_id,
+                'address': d.address,
+                'name': d.name,
+                'rssi': d.rssi_current,
+                'matches': session.target.matches(d),
+            }
+            for d in devices
+        ],
+    })
+
+
+@bt_locate_bp.route('/paired_irks', methods=['GET'])
+def paired_irks():
+    """Return paired Bluetooth devices that have IRKs."""
+    try:
+        devices = get_paired_irks()
+    except Exception as e:
+        logger.exception("Failed to read paired IRKs")
+        return jsonify({'devices': [], 'error': str(e)})
+
+    return jsonify({'devices': devices})
+
+
+@bt_locate_bp.route('/clear_trail', methods=['POST'])
+def clear_trail():
+    """Clear the detection trail."""
+    session = get_locate_session()
+    if not session:
+        return jsonify({'status': 'no_session'})
+
+    session.clear_trail()
+    return jsonify({'status': 'cleared'})

routes/dmr.py

@@ -5,6 +5,7 @@ from __future__ import annotations
 import os
 import queue
 import re
+import select
 import shutil
 import subprocess
 import threading
@@ -17,6 +18,10 @@ from flask import Blueprint, jsonify, request, Response
 import app as app_module
 from utils.logging import get_logger
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
+from utils.process import register_process, unregister_process
+from utils.validation import validate_frequency, validate_gain, validate_device_index, validate_ppm
+from utils.sdr import SDRFactory, SDRType
 from utils.constants import (
     SSE_QUEUE_TIMEOUT,
     SSE_KEEPALIVE_INTERVAL,
@@ -35,10 +40,18 @@ dmr_rtl_process: Optional[subprocess.Popen] = None
 dmr_dsd_process: Optional[subprocess.Popen] = None
 dmr_thread: Optional[threading.Thread] = None
 dmr_running = False
+dmr_has_audio = False  # True when ffmpeg available and dsd outputs audio
 dmr_lock = threading.Lock()
 dmr_queue: queue.Queue = queue.Queue(maxsize=QUEUE_MAX_SIZE)
 dmr_active_device: Optional[int] = None
 
+# Audio mux: the sole reader of dsd-fme stdout.  Fans out bytes to all
+# active ffmpeg stdin sinks when streaming clients are connected.
+# This prevents dsd-fme from blocking on stdout (which would also
+# freeze stderr / text data output).
+_ffmpeg_sinks: set[object] = set()
+_ffmpeg_sinks_lock = threading.Lock()
+
 VALID_PROTOCOLS = ['auto', 'dmr', 'p25', 'nxdn', 'dstar', 'provoice']
 
 # Classic dsd flags
@@ -51,14 +64,25 @@ _DSD_PROTOCOL_FLAGS = {
     'provoice': ['-fv'],
 }
 
-# dsd-fme uses different flag names
+# dsd-fme remapped several flags from classic DSD:
+#   -fs = DMR Simplex (NOT -fd which is D-STAR!),
+#   -fd = D-STAR (NOT DMR!), -fp = ProVoice (NOT P25),
+#   -fi = NXDN48 (NOT D-Star), -f1 = P25 Phase 1,
+#   -ft = XDMA multi-protocol decoder
 _DSD_FME_PROTOCOL_FLAGS = {
-    'auto': ['-ft'],
-    'dmr': ['-fs'],
-    'p25': ['-f1'],
-    'nxdn': ['-fi'],
-    'dstar': [],
-    'provoice': ['-fp'],
+    'auto': ['-fa'],       # Broad auto: P25 (P1/P2), DMR, D-STAR, YSF, X2-TDMA
+    'dmr': ['-fs'],        # DMR Simplex (-fd is D-STAR in dsd-fme!)
+    'p25': ['-ft'],        # P25 P1/P2 coverage (also includes DMR in dsd-fme)
+    'nxdn': ['-fn'],       # NXDN96
+    'dstar': ['-fd'],      # D-STAR (-fd in dsd-fme, NOT DMR!)
+    'provoice': ['-fp'],   # ProVoice (-fp in dsd-fme, not -fv)
+}
+
+# Modulation hints: force C4FM for protocols that use it, improving
+# sync reliability vs letting dsd-fme auto-detect modulation type.
+_DSD_FME_MODULATION = {
+    'dmr': ['-mc'],        # C4FM
+    'nxdn': ['-mc'],       # C4FM
 }
 
 # ============================================
@@ -86,103 +110,298 @@ def find_rtl_fm() -> str | None:
     return shutil.which('rtl_fm')
 
 
+def find_rx_fm() -> str | None:
+    """Find SoapySDR rx_fm binary."""
+    return shutil.which('rx_fm')
+
+
+def find_ffmpeg() -> str | None:
+    """Find ffmpeg for audio encoding."""
+    return shutil.which('ffmpeg')
+
+
 def parse_dsd_output(line: str) -> dict | None:
-    """Parse a line of DSD stderr output into a structured event."""
+    """Parse a line of DSD stderr output into a structured event.
+
+    Handles output from both classic ``dsd`` and ``dsd-fme`` which use
+    different formatting for talkgroup / source / voice frame lines.
+    """
     line = line.strip()
     if not line:
         return None
 
+    # Skip DSD/dsd-fme startup banner lines (ASCII art, version info, etc.)
+    # Only filter lines that are purely decorative — dsd-fme uses box-drawing
+    # characters (│, ─) as column separators in DATA lines, so we must not
+    # discard lines that also contain alphanumeric content.
+    stripped_of_box = re.sub(r'[╔╗╚╝║═██▀▄╗╝╩╦╠╣╬│┤├┘└┐┌─┼█▓▒░\s]', '', line)
+    if not stripped_of_box:
+        return None
+    if re.match(r'^\s*(Build Version|MBElib|CODEC2|Audio (Out|In)|Decoding )', line):
+        return None
+
+    ts = datetime.now().strftime('%H:%M:%S')
+
     # Sync detection: "Sync: +DMR (data)" or "Sync: +P25 Phase 1"
     sync_match = re.match(r'Sync:\s*\+?(\S+.*)', line)
     if sync_match:
         return {
             'type': 'sync',
             'protocol': sync_match.group(1).strip(),
-            'timestamp': datetime.now().strftime('%H:%M:%S'),
+            'timestamp': ts,
         }
 
-    # Talkgroup and Source: "TG: 12345  Src: 67890"
-    tg_match = re.match(r'.*TG:\s*(\d+)\s+Src:\s*(\d+)', line)
+    # Talkgroup and Source — check BEFORE slot so "Slot 1 Voice LC, TG: …"
+    # is captured as a call event rather than a bare slot event.
+    # Classic dsd:   "TG: 12345  Src: 67890"
+    # dsd-fme:       "TG: 12345, Src: 67890"  or  "Talkgroup: 12345, Source: 67890"
+    #                "TGT: 12345 | SRC: 67890" (pipe-delimited variant)
+    tg_match = re.search(
+        r'(?:TGT?|Talkgroup)[:\s]+(\d+)[,|│\s]+(?:Src|Source|SRC)[:\s]+(\d+)', line, re.IGNORECASE
+    )
     if tg_match:
-        return {
+        result = {
             'type': 'call',
             'talkgroup': int(tg_match.group(1)),
             'source_id': int(tg_match.group(2)),
-            'timestamp': datetime.now().strftime('%H:%M:%S'),
+            'timestamp': ts,
         }
+        # Extract slot if present on the same line
+        slot_inline = re.search(r'Slot\s*(\d+)', line)
+        if slot_inline:
+            result['slot'] = int(slot_inline.group(1))
+        return result
 
-    # Slot info: "Slot 1" or "Slot 2"
-    slot_match = re.match(r'.*Slot\s*(\d+)', line)
-    if slot_match:
-        return {
-            'type': 'slot',
-            'slot': int(slot_match.group(1)),
-            'timestamp': datetime.now().strftime('%H:%M:%S'),
-        }
-
-    # DMR voice frame
-    if 'Voice' in line or 'voice' in line:
-        return {
-            'type': 'voice',
-            'detail': line,
-            'timestamp': datetime.now().strftime('%H:%M:%S'),
-        }
-
-    # P25 NAC (Network Access Code)
-    nac_match = re.match(r'.*NAC:\s*(\w+)', line)
+    # P25 NAC (Network Access Code) — check before voice/slot
+    nac_match = re.search(r'NAC[:\s]+([0-9A-Fa-f]+)', line)
     if nac_match:
         return {
             'type': 'nac',
             'nac': nac_match.group(1),
-            'timestamp': datetime.now().strftime('%H:%M:%S'),
+            'timestamp': ts,
         }
 
-    return None
+    # Voice frame detection — check BEFORE bare slot match
+    # Classic dsd: "Voice" keyword in frame lines
+    # dsd-fme: "voice" or "Voice LC" or "VOICE" in output
+    if re.search(r'\bvoice\b', line, re.IGNORECASE):
+        result = {
+            'type': 'voice',
+            'detail': line,
+            'timestamp': ts,
+        }
+        slot_inline = re.search(r'Slot\s*(\d+)', line)
+        if slot_inline:
+            result['slot'] = int(slot_inline.group(1))
+        return result
+
+    # Bare slot info (only when line is *just* slot info, not voice/call)
+    slot_match = re.match(r'\s*Slot\s*(\d+)\s*$', line)
+    if slot_match:
+        return {
+            'type': 'slot',
+            'slot': int(slot_match.group(1)),
+            'timestamp': ts,
+        }
+
+    # dsd-fme status lines we can surface: "TDMA", "CACH", "PI", "BS", etc.
+    # Also catches "Closing", "Input", and other lifecycle lines.
+    # Forward as raw so the frontend can show decoder is alive.
+    return {
+        'type': 'raw',
+        'text': line[:200],
+        'timestamp': ts,
+    }
+
+
+_HEARTBEAT_INTERVAL = 3.0  # seconds between heartbeats when decoder is idle
+
+# 100ms of silence at 8kHz 16-bit mono = 1600 bytes
+_SILENCE_CHUNK = b'\x00' * 1600
+
+
+def _register_audio_sink(sink: object) -> None:
+    """Register an ffmpeg stdin sink for mux fanout."""
+    with _ffmpeg_sinks_lock:
+        _ffmpeg_sinks.add(sink)
+
+
+def _unregister_audio_sink(sink: object) -> None:
+    """Remove an ffmpeg stdin sink from mux fanout."""
+    with _ffmpeg_sinks_lock:
+        _ffmpeg_sinks.discard(sink)
+
+
+def _get_audio_sinks() -> tuple[object, ...]:
+    """Snapshot current audio sinks for lock-free iteration."""
+    with _ffmpeg_sinks_lock:
+        return tuple(_ffmpeg_sinks)
+
+
+def _stop_process(proc: Optional[subprocess.Popen]) -> None:
+    """Terminate and unregister a subprocess if present."""
+    if not proc:
+        return
+    if proc.poll() is None:
+        try:
+            proc.terminate()
+            proc.wait(timeout=2)
+        except Exception:
+            try:
+                proc.kill()
+            except Exception:
+                pass
+    unregister_process(proc)
+
+
+def _reset_runtime_state(*, release_device: bool) -> None:
+    """Reset process + runtime state and optionally release SDR ownership."""
+    global dmr_rtl_process, dmr_dsd_process
+    global dmr_running, dmr_has_audio, dmr_active_device
+
+    _stop_process(dmr_dsd_process)
+    _stop_process(dmr_rtl_process)
+    dmr_rtl_process = None
+    dmr_dsd_process = None
+    dmr_running = False
+    dmr_has_audio = False
+    with _ffmpeg_sinks_lock:
+        _ffmpeg_sinks.clear()
+
+    if release_device and dmr_active_device is not None:
+        app_module.release_sdr_device(dmr_active_device)
+        dmr_active_device = None
+
+
+def _dsd_audio_mux(dsd_stdout):
+    """Mux thread: sole reader of dsd-fme stdout.
+
+    Always drains dsd-fme's audio output to prevent the process from
+    blocking on stdout writes (which would also freeze stderr / text
+    data). When streaming clients are connected, forwards data to all
+    active ffmpeg stdin sinks with silence fill during voice gaps.
+    """
+    try:
+        while dmr_running:
+            ready, _, _ = select.select([dsd_stdout], [], [], 0.1)
+            if ready:
+                data = os.read(dsd_stdout.fileno(), 4096)
+                if not data:
+                    break
+                sinks = _get_audio_sinks()
+                for sink in sinks:
+                    try:
+                        sink.write(data)
+                        sink.flush()
+                    except (BrokenPipeError, OSError, ValueError):
+                        _unregister_audio_sink(sink)
+            else:
+                # No audio from decoder — feed silence if client connected
+                sinks = _get_audio_sinks()
+                for sink in sinks:
+                    try:
+                        sink.write(_SILENCE_CHUNK)
+                        sink.flush()
+                    except (BrokenPipeError, OSError, ValueError):
+                        _unregister_audio_sink(sink)
+    except (OSError, ValueError):
+        pass
+
+
+def _queue_put(event: dict):
+    """Put an event on the DMR queue, dropping oldest if full."""
+    try:
+        dmr_queue.put_nowait(event)
+    except queue.Full:
+        try:
+            dmr_queue.get_nowait()
+        except queue.Empty:
+            pass
+        try:
+            dmr_queue.put_nowait(event)
+        except queue.Full:
+            pass
 
 
 def stream_dsd_output(rtl_process: subprocess.Popen, dsd_process: subprocess.Popen):
-    """Read DSD stderr output and push parsed events to the queue."""
+    """Read DSD stderr output and push parsed events to the queue.
+
+    Uses select() with a timeout so we can send periodic heartbeat
+    events while readline() would otherwise block indefinitely during
+    silence (no signal being decoded).
+    """
     global dmr_running
 
     try:
-        dmr_queue.put_nowait({'type': 'status', 'text': 'started'})
+        _queue_put({'type': 'status', 'text': 'started'})
+        last_heartbeat = time.time()
 
         while dmr_running:
             if dsd_process.poll() is not None:
                 break
 
-            line = dsd_process.stderr.readline()
-            if not line:
-                if dsd_process.poll() is not None:
-                    break
-                continue
+            # Wait up to 1s for data on stderr instead of blocking forever
+            ready, _, _ = select.select([dsd_process.stderr], [], [], 1.0)
 
-            text = line.decode('utf-8', errors='replace').strip()
-            if not text:
-                continue
+            if ready:
+                line = dsd_process.stderr.readline()
+                if not line:
+                    if dsd_process.poll() is not None:
+                        break
+                    continue
 
-            parsed = parse_dsd_output(text)
-            if parsed:
-                try:
-                    dmr_queue.put_nowait(parsed)
-                except queue.Full:
-                    try:
-                        dmr_queue.get_nowait()
-                    except queue.Empty:
-                        pass
-                    try:
-                        dmr_queue.put_nowait(parsed)
-                    except queue.Full:
-                        pass
+                text = line.decode('utf-8', errors='replace').strip()
+                if not text:
+                    continue
+
+                logger.debug("DSD raw: %s", text)
+                parsed = parse_dsd_output(text)
+                if parsed:
+                    _queue_put(parsed)
+                last_heartbeat = time.time()
+            else:
+                # No stderr output — send heartbeat so frontend knows
+                # decoder is still alive and listening
+                now = time.time()
+                if now - last_heartbeat >= _HEARTBEAT_INTERVAL:
+                    _queue_put({
+                        'type': 'heartbeat',
+                        'timestamp': datetime.now().strftime('%H:%M:%S'),
+                    })
+                    last_heartbeat = now
 
     except Exception as e:
         logger.error(f"DSD stream error: {e}")
     finally:
+        global dmr_active_device, dmr_rtl_process, dmr_dsd_process
+        global dmr_has_audio
         dmr_running = False
-        try:
-            dmr_queue.put_nowait({'type': 'status', 'text': 'stopped'})
-        except queue.Full:
-            pass
+        dmr_has_audio = False
+        with _ffmpeg_sinks_lock:
+            _ffmpeg_sinks.clear()
+        # Capture exit info for diagnostics
+        rc = dsd_process.poll()
+        reason = 'stopped'
+        detail = ''
+        if rc is not None and rc != 0:
+            reason = 'crashed'
+            try:
+                remaining = dsd_process.stderr.read(1024)
+                if remaining:
+                    detail = remaining.decode('utf-8', errors='replace').strip()[:200]
+            except Exception:
+                pass
+            logger.warning(f"DSD process exited with code {rc}: {detail}")
+        # Cleanup decoder + demod processes
+        _stop_process(dsd_process)
+        _stop_process(rtl_process)
+        dmr_rtl_process = None
+        dmr_dsd_process = None
+        _queue_put({'type': 'status', 'text': reason, 'exit_code': rc, 'detail': detail})
+        # Release SDR device
+        if dmr_active_device is not None:
+            app_module.release_sdr_device(dmr_active_device)
+            dmr_active_device = None
         logger.info("DSD stream thread stopped")
 
 
@@ -195,10 +414,14 @@ def check_tools() -> Response:
     """Check for required tools."""
     dsd_path, _ = find_dsd()
     rtl_fm = find_rtl_fm()
+    rx_fm = find_rx_fm()
+    ffmpeg = find_ffmpeg()
     return jsonify({
         'dsd': dsd_path is not None,
         'rtl_fm': rtl_fm is not None,
-        'available': dsd_path is not None and rtl_fm is not None,
+        'rx_fm': rx_fm is not None,
+        'ffmpeg': ffmpeg is not None,
+        'available': dsd_path is not None and (rtl_fm is not None or rx_fm is not None),
         'protocols': VALID_PROTOCOLS,
     })
 
@@ -206,36 +429,43 @@ def check_tools() -> Response:
 @dmr_bp.route('/start', methods=['POST'])
 def start_dmr() -> Response:
     """Start digital voice decoding."""
-    global dmr_rtl_process, dmr_dsd_process, dmr_thread, dmr_running, dmr_active_device
-
-    with dmr_lock:
-        if dmr_running:
-            return jsonify({'status': 'error', 'message': 'Already running'}), 409
+    global dmr_rtl_process, dmr_dsd_process, dmr_thread
+    global dmr_running, dmr_has_audio, dmr_active_device
 
     dsd_path, is_fme = find_dsd()
     if not dsd_path:
         return jsonify({'status': 'error', 'message': 'dsd not found. Install dsd-fme or dsd.'}), 503
 
-    rtl_fm_path = find_rtl_fm()
-    if not rtl_fm_path:
-        return jsonify({'status': 'error', 'message': 'rtl_fm not found. Install rtl-sdr tools.'}), 503
-
     data = request.json or {}
 
     try:
-        frequency = float(data.get('frequency', 462.5625))
-        gain = int(data.get('gain', 40))
-        device = int(data.get('device', 0))
+        frequency = validate_frequency(data.get('frequency', 462.5625))
+        gain = int(validate_gain(data.get('gain', 40)))
+        device = validate_device_index(data.get('device', 0))
         protocol = str(data.get('protocol', 'auto')).lower()
+        ppm = validate_ppm(data.get('ppm', 0))
     except (ValueError, TypeError) as e:
         return jsonify({'status': 'error', 'message': f'Invalid parameter: {e}'}), 400
 
-    if frequency <= 0:
-        return jsonify({'status': 'error', 'message': 'Frequency must be positive'}), 400
+    sdr_type_str = str(data.get('sdr_type', 'rtlsdr')).lower()
+    try:
+        sdr_type = SDRType(sdr_type_str)
+    except ValueError:
+        sdr_type = SDRType.RTL_SDR
 
     if protocol not in VALID_PROTOCOLS:
         return jsonify({'status': 'error', 'message': f'Invalid protocol. Use: {", ".join(VALID_PROTOCOLS)}'}), 400
 
+    if sdr_type == SDRType.RTL_SDR:
+        if not find_rtl_fm():
+            return jsonify({'status': 'error', 'message': 'rtl_fm not found. Install rtl-sdr tools.'}), 503
+    else:
+        if not find_rx_fm():
+            return jsonify({
+                'status': 'error',
+                'message': f'rx_fm not found. Install SoapySDR tools for {sdr_type.value}.'
+            }), 503
+
     # Clear stale queue
     try:
         while True:
@@ -243,32 +473,67 @@ def start_dmr() -> Response:
     except queue.Empty:
         pass
 
-    # Claim SDR device
-    error = app_module.claim_sdr_device(device, 'dmr')
+    # Reserve running state before we start claiming resources/processes
+    # so concurrent /start requests cannot race each other.
+    with dmr_lock:
+        if dmr_running:
+            return jsonify({'status': 'error', 'message': 'Already running'}), 409
+        dmr_running = True
+        dmr_has_audio = False
+
+    # Claim SDR device — use protocol name so the device panel shows
+    # "D-STAR", "P25", etc. instead of always "DMR"
+    mode_label = protocol.upper() if protocol != 'auto' else 'DMR'
+    error = app_module.claim_sdr_device(device, mode_label)
     if error:
+        with dmr_lock:
+            dmr_running = False
         return jsonify({'status': 'error', 'error_type': 'DEVICE_BUSY', 'message': error}), 409
 
     dmr_active_device = device
 
-    freq_hz = int(frequency * 1e6)
-
-    # Build rtl_fm command (48kHz sample rate for DSD)
-    rtl_cmd = [
-        rtl_fm_path,
-        '-M', 'fm',
-        '-f', str(freq_hz),
-        '-s', '48000',
-        '-g', str(gain),
-        '-d', str(device),
-        '-l', '1',  # squelch level
-    ]
+    # Build FM demodulation command via SDR abstraction.
+    try:
+        sdr_device = SDRFactory.create_default_device(sdr_type, index=device)
+        builder = SDRFactory.get_builder(sdr_type)
+        rtl_cmd = builder.build_fm_demod_command(
+            device=sdr_device,
+            frequency_mhz=frequency,
+            sample_rate=48000,
+            gain=float(gain) if gain > 0 else None,
+            ppm=int(ppm) if ppm != 0 else None,
+            modulation='fm',
+            squelch=None,
+            bias_t=bool(data.get('bias_t', False)),
+        )
+        if sdr_type == SDRType.RTL_SDR:
+            # Keep squelch fully open for digital bitstreams.
+            rtl_cmd.extend(['-l', '0'])
+    except Exception as e:
+        _reset_runtime_state(release_device=True)
+        return jsonify({'status': 'error', 'message': f'Failed to build SDR command: {e}'}), 500
 
     # Build DSD command
-    # Use -o - to send decoded audio to stdout (piped to DEVNULL)
-    # instead of PulseAudio which may not be available under sudo
-    dsd_cmd = [dsd_path, '-i', '-', '-o', '-']
+    # Audio output: pipe decoded audio (8kHz s16le PCM) to stdout for
+    # ffmpeg transcoding.  Both dsd-fme and classic dsd support '-o -'.
+    # If ffmpeg is unavailable, fall back to discarding audio.
+    ffmpeg_path = find_ffmpeg()
+    if ffmpeg_path:
+        audio_out = '-'
+    else:
+        audio_out = 'null' if is_fme else '-'
+        logger.warning("ffmpeg not found — audio streaming disabled, data-only mode")
+    dsd_cmd = [dsd_path, '-i', '-', '-o', audio_out]
     if is_fme:
         dsd_cmd.extend(_DSD_FME_PROTOCOL_FLAGS.get(protocol, []))
+        dsd_cmd.extend(_DSD_FME_MODULATION.get(protocol, []))
+        # Event log to stderr so we capture TG/Source/Voice data that
+        # dsd-fme may not output on stderr by default.
+        dsd_cmd.extend(['-J', '/dev/stderr'])
+        # Relax CRC checks for marginal signals — lets more frames
+        # through at the cost of occasional decode errors.
+        if data.get('relaxCrc', False):
+            dsd_cmd.append('-F')
     else:
         dsd_cmd.extend(_DSD_PROTOCOL_FLAGS.get(protocol, []))
 
@@ -278,17 +543,33 @@ def start_dmr() -> Response:
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
         )
+        register_process(dmr_rtl_process)
 
+        # DSD stdout → PIPE when ffmpeg available (audio pipeline),
+        # otherwise DEVNULL (data-only mode)
+        dsd_stdout = subprocess.PIPE if ffmpeg_path else subprocess.DEVNULL
         dmr_dsd_process = subprocess.Popen(
             dsd_cmd,
             stdin=dmr_rtl_process.stdout,
-            stdout=subprocess.DEVNULL,
+            stdout=dsd_stdout,
             stderr=subprocess.PIPE,
         )
+        register_process(dmr_dsd_process)
 
         # Allow rtl_fm to send directly to dsd
         dmr_rtl_process.stdout.close()
 
+        # Start mux thread: always drains dsd-fme stdout to prevent the
+        # process from blocking (which would freeze stderr / text data).
+        # ffmpeg is started lazily per-client in /dmr/audio/stream.
+        if ffmpeg_path and dmr_dsd_process.stdout:
+            dmr_has_audio = True
+            threading.Thread(
+                target=_dsd_audio_mux,
+                args=(dmr_dsd_process.stdout,),
+                daemon=True,
+            ).start()
+
         time.sleep(0.3)
 
         rtl_rc = dmr_rtl_process.poll()
@@ -302,14 +583,16 @@ def start_dmr() -> Response:
             if dmr_dsd_process.stderr:
                 dsd_err = dmr_dsd_process.stderr.read().decode('utf-8', errors='replace')[:500]
             logger.error(f"DSD pipeline died: rtl_fm rc={rtl_rc} err={rtl_err!r}, dsd rc={dsd_rc} err={dsd_err!r}")
-            if dmr_active_device is not None:
-                app_module.release_sdr_device(dmr_active_device)
-                dmr_active_device = None
-            # Surface the most relevant error to the user
+            # Terminate surviving processes and release resources.
+            _reset_runtime_state(release_device=True)
+            # Surface a clear error to the user
             detail = rtl_err.strip() or dsd_err.strip()
-            msg = 'Failed to start DSD pipeline'
-            if detail:
-                msg += f': {detail}'
+            if 'usb_claim_interface' in rtl_err or 'Failed to open' in rtl_err:
+                msg = f'SDR device {device} is busy — it may be in use by another mode or process. Try a different device.'
+            elif detail:
+                msg = f'Failed to start DSD pipeline: {detail}'
+            else:
+                msg = 'Failed to start DSD pipeline'
             return jsonify({'status': 'error', 'message': msg}), 500
 
         # Drain rtl_fm stderr in background to prevent pipe blocking
@@ -322,7 +605,6 @@ def start_dmr() -> Response:
 
         threading.Thread(target=_drain_rtl_stderr, args=(dmr_rtl_process,), daemon=True).start()
 
-        dmr_running = True
         dmr_thread = threading.Thread(
             target=stream_dsd_output,
             args=(dmr_rtl_process, dmr_dsd_process),
@@ -334,40 +616,21 @@ def start_dmr() -> Response:
             'status': 'started',
             'frequency': frequency,
             'protocol': protocol,
+            'sdr_type': sdr_type.value,
+            'has_audio': dmr_has_audio,
         })
 
     except Exception as e:
         logger.error(f"Failed to start DMR: {e}")
-        if dmr_active_device is not None:
-            app_module.release_sdr_device(dmr_active_device)
-            dmr_active_device = None
+        _reset_runtime_state(release_device=True)
         return jsonify({'status': 'error', 'message': str(e)}), 500
 
 
 @dmr_bp.route('/stop', methods=['POST'])
 def stop_dmr() -> Response:
     """Stop digital voice decoding."""
-    global dmr_rtl_process, dmr_dsd_process, dmr_running, dmr_active_device
-
-    dmr_running = False
-
-    for proc in [dmr_dsd_process, dmr_rtl_process]:
-        if proc and proc.poll() is None:
-            try:
-                proc.terminate()
-                proc.wait(timeout=2)
-            except Exception:
-                try:
-                    proc.kill()
-                except Exception:
-                    pass
-
-    dmr_rtl_process = None
-    dmr_dsd_process = None
-
-    if dmr_active_device is not None:
-        app_module.release_sdr_device(dmr_active_device)
-        dmr_active_device = None
+    with dmr_lock:
+        _reset_runtime_state(release_device=True)
 
     return jsonify({'status': 'stopped'})
 
@@ -378,9 +641,97 @@ def dmr_status() -> Response:
     return jsonify({
         'running': dmr_running,
         'device': dmr_active_device,
+        'has_audio': dmr_has_audio,
     })
 
 
+@dmr_bp.route('/audio/stream')
+def stream_dmr_audio() -> Response:
+    """Stream decoded digital voice audio as WAV.
+
+    Starts a per-client ffmpeg encoder.  The global mux thread
+    (_dsd_audio_mux) forwards DSD audio to this ffmpeg's stdin while
+    the client is connected, and discards audio otherwise.  This avoids
+    the pipe-buffer deadlock that occurs when ffmpeg is started at
+    decoder launch (its stdout fills up before any HTTP client reads
+    it, back-pressuring the entire pipeline and freezing stderr/text
+    data output).
+    """
+    if not dmr_running or not dmr_has_audio:
+        return Response(b'', mimetype='audio/wav', status=204)
+
+    ffmpeg_path = find_ffmpeg()
+    if not ffmpeg_path:
+        return Response(b'', mimetype='audio/wav', status=503)
+
+    encoder_cmd = [
+        ffmpeg_path, '-hide_banner', '-loglevel', 'error',
+        '-fflags', 'nobuffer', '-flags', 'low_delay',
+        '-probesize', '32', '-analyzeduration', '0',
+        '-f', 's16le', '-ar', '8000', '-ac', '1', '-i', 'pipe:0',
+        '-acodec', 'pcm_s16le', '-ar', '44100', '-f', 'wav', 'pipe:1',
+    ]
+    audio_proc = subprocess.Popen(
+        encoder_cmd,
+        stdin=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    # Drain ffmpeg stderr to prevent blocking
+    threading.Thread(
+        target=lambda p: [None for _ in p.stderr],
+        args=(audio_proc,), daemon=True,
+    ).start()
+
+    if audio_proc.stdin:
+        _register_audio_sink(audio_proc.stdin)
+
+    def generate():
+        try:
+            while dmr_running and audio_proc.poll() is None:
+                ready, _, _ = select.select([audio_proc.stdout], [], [], 2.0)
+                if ready:
+                    chunk = audio_proc.stdout.read(4096)
+                    if chunk:
+                        yield chunk
+                    else:
+                        break
+                else:
+                    if audio_proc.poll() is not None:
+                        break
+        except GeneratorExit:
+            pass
+        except Exception as e:
+            logger.error(f"DMR audio stream error: {e}")
+        finally:
+            # Disconnect mux → ffmpeg, then clean up
+            if audio_proc.stdin:
+                _unregister_audio_sink(audio_proc.stdin)
+            try:
+                audio_proc.stdin.close()
+            except Exception:
+                pass
+            try:
+                audio_proc.terminate()
+                audio_proc.wait(timeout=2)
+            except Exception:
+                try:
+                    audio_proc.kill()
+                except Exception:
+                    pass
+
+    return Response(
+        generate(),
+        mimetype='audio/wav',
+        headers={
+            'Content-Type': 'audio/wav',
+            'Cache-Control': 'no-cache, no-store',
+            'X-Accel-Buffering': 'no',
+            'Transfer-Encoding': 'chunked',
+        },
+    )
+
+
 @dmr_bp.route('/stream')
 def stream_dmr() -> Response:
     """SSE stream for DMR decoder events."""
@@ -390,6 +741,10 @@ def stream_dmr() -> Response:
             try:
                 msg = dmr_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('dmr', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()

routes/dsc.py

@@ -36,9 +36,11 @@ from utils.database import (
 )
 from utils.dsc.parser import parse_dsc_message
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.validation import validate_device_index, validate_gain
 from utils.sdr import SDRFactory, SDRType
 from utils.dependencies import get_tool_path
+from utils.process import register_process, unregister_process
 
 logger = logging.getLogger('intercept.dsc')
 
@@ -169,17 +171,34 @@ def stream_dsc_decoder(master_fd: int, decoder_process: subprocess.Popen) -> Non
             'error': str(e)
         })
     finally:
+        global dsc_active_device
         try:
             os.close(master_fd)
         except OSError:
             pass
-        decoder_process.wait()
         dsc_running = False
+        # Cleanup both processes
+        with app_module.dsc_lock:
+            rtl_proc = app_module.dsc_rtl_process
+        for proc in [rtl_proc, decoder_process]:
+            if proc:
+                try:
+                    proc.terminate()
+                    proc.wait(timeout=2)
+                except Exception:
+                    try:
+                        proc.kill()
+                    except Exception:
+                        pass
+                unregister_process(proc)
         app_module.dsc_queue.put({'type': 'status', 'status': 'stopped'})
-
         with app_module.dsc_lock:
             app_module.dsc_process = None
             app_module.dsc_rtl_process = None
+        # Release SDR device
+        if dsc_active_device is not None:
+            app_module.release_sdr_device(dsc_active_device)
+            dsc_active_device = None
 
 
 def _store_critical_alert(msg: dict) -> None:
@@ -362,6 +381,7 @@ def start_decoding() -> Response:
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE
             )
+            register_process(rtl_process)
 
             # Start stderr monitor thread
             stderr_thread = threading.Thread(
@@ -382,6 +402,7 @@ def start_decoding() -> Response:
                 stderr=slave_fd,
                 close_fds=True
             )
+            register_process(decoder_process)
 
             os.close(slave_fd)
             rtl_process.stdout.close()
@@ -408,6 +429,15 @@ def start_decoding() -> Response:
             })
 
         except FileNotFoundError as e:
+            # Kill orphaned rtl_fm process
+            try:
+                rtl_process.terminate()
+                rtl_process.wait(timeout=2)
+            except Exception:
+                try:
+                    rtl_process.kill()
+                except Exception:
+                    pass
             # Release device on failure
             if dsc_active_device is not None:
                 app_module.release_sdr_device(dsc_active_device)
@@ -417,6 +447,15 @@ def start_decoding() -> Response:
                 'message': f'Tool not found: {e.filename}'
             }), 400
         except Exception as e:
+            # Kill orphaned rtl_fm process if it was started
+            try:
+                rtl_process.terminate()
+                rtl_process.wait(timeout=2)
+            except Exception:
+                try:
+                    rtl_process.kill()
+                except Exception:
+                    pass
             # Release device on failure
             if dsc_active_device is not None:
                 app_module.release_sdr_device(dsc_active_device)
@@ -487,6 +526,10 @@ def stream() -> Response:
             try:
                 msg = app_module.dsc_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('dsc', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()

routes/gps.py

@@ -4,19 +4,24 @@ from __future__ import annotations
 
 import queue
 import time
-from typing import Generator
+from collections.abc import Generator
 
-from flask import Blueprint, jsonify, request, Response
+from flask import Blueprint, Response, jsonify
 
+from utils.gps import (
+    GPSPosition,
+    GPSSkyData,
+    detect_gps_devices,
+    get_current_position,
+    get_gps_reader,
+    is_gpsd_running,
+    start_gpsd,
+    start_gpsd_daemon,
+    stop_gps,
+    stop_gpsd_daemon,
+)
 from utils.logging import get_logger
 from utils.sse import format_sse
-from utils.gps import (
-    get_gps_reader,
-    start_gpsd,
-    stop_gps,
-    get_current_position,
-    GPSPosition,
-)
 
 logger = get_logger('intercept.gps')
 
@@ -29,12 +34,24 @@ _gps_queue: queue.Queue = queue.Queue(maxsize=100)
 def _position_callback(position: GPSPosition) -> None:
     """Callback to queue position updates for SSE stream."""
     try:
-        _gps_queue.put_nowait(position.to_dict())
+        _gps_queue.put_nowait({'type': 'position', **position.to_dict()})
     except queue.Full:
         # Discard oldest if queue is full
         try:
             _gps_queue.get_nowait()
-            _gps_queue.put_nowait(position.to_dict())
+            _gps_queue.put_nowait({'type': 'position', **position.to_dict()})
+        except queue.Empty:
+            pass
+
+
+def _sky_callback(sky: GPSSkyData) -> None:
+    """Callback to queue sky data updates for SSE stream."""
+    try:
+        _gps_queue.put_nowait({'type': 'sky', **sky.to_dict()})
+    except queue.Full:
+        try:
+            _gps_queue.get_nowait()
+            _gps_queue.put_nowait({'type': 'sky', **sky.to_dict()})
         except queue.Empty:
             pass
 
@@ -45,36 +62,44 @@ def auto_connect_gps():
     Automatically connect to gpsd if available.
 
     Called on page load to seamlessly enable GPS if gpsd is running.
+    If gpsd is not running, attempts to detect GPS devices and start gpsd.
     Returns current status if already connected.
     """
-    import socket
-
     # Check if already running
     reader = get_gps_reader()
     if reader and reader.is_running:
         position = reader.position
+        sky = reader.sky
         return jsonify({
             'status': 'connected',
             'source': 'gpsd',
             'has_fix': position is not None,
-            'position': position.to_dict() if position else None
+            'position': position.to_dict() if position else None,
+            'sky': sky.to_dict() if sky else None,
         })
 
-    # Try to connect to gpsd on localhost:2947
     host = 'localhost'
     port = 2947
 
-    # First check if gpsd is reachable
-    try:
-        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        sock.settimeout(1.0)
-        sock.connect((host, port))
-        sock.close()
-    except Exception:
-        return jsonify({
-            'status': 'unavailable',
-            'message': 'gpsd not running'
-        })
+    # If gpsd isn't running, try to detect a device and start it
+    if not is_gpsd_running(host, port):
+        devices = detect_gps_devices()
+        if not devices:
+            return jsonify({
+                'status': 'unavailable',
+                'message': 'No GPS device detected'
+            })
+
+        # Try to start gpsd with the first detected device
+        device_path = devices[0]['path']
+        success, msg = start_gpsd_daemon(device_path, host, port)
+        if not success:
+            return jsonify({
+                'status': 'unavailable',
+                'message': msg,
+                'devices': devices,
+            })
+        logger.info(f"Auto-started gpsd on {device_path}")
 
     # Clear the queue
     while not _gps_queue.empty():
@@ -84,14 +109,17 @@ def auto_connect_gps():
             break
 
     # Start the gpsd client
-    success = start_gpsd(host, port, callback=_position_callback)
+    success = start_gpsd(host, port,
+                         callback=_position_callback,
+                         sky_callback=_sky_callback)
 
     if success:
         return jsonify({
             'status': 'connected',
             'source': 'gpsd',
             'has_fix': False,
-            'position': None
+            'position': None,
+            'sky': None,
         })
     else:
         return jsonify({
@@ -100,14 +128,26 @@ def auto_connect_gps():
         })
 
 
+@gps_bp.route('/devices')
+def list_gps_devices():
+    """List detected GPS serial devices."""
+    devices = detect_gps_devices()
+    return jsonify({
+        'devices': devices,
+        'gpsd_running': is_gpsd_running(),
+    })
+
+
 @gps_bp.route('/stop', methods=['POST'])
 def stop_gps_reader():
-    """Stop GPS client."""
+    """Stop GPS client and gpsd daemon if we started it."""
     reader = get_gps_reader()
     if reader:
         reader.remove_callback(_position_callback)
+        reader.remove_sky_callback(_sky_callback)
 
     stop_gps()
+    stop_gpsd_daemon()
 
     return jsonify({'status': 'stopped'})
 
@@ -122,15 +162,18 @@ def get_gps_status():
             'running': False,
             'device': None,
             'position': None,
+            'sky': None,
             'error': None,
             'message': 'GPS client not started'
         })
 
     position = reader.position
+    sky = reader.sky
     return jsonify({
         'running': reader.is_running,
         'device': reader.device_path,
         'position': position.to_dict() if position else None,
+        'sky': sky.to_dict() if sky else None,
         'last_update': reader.last_update.isoformat() if reader.last_update else None,
         'error': reader.error,
         'message': 'Waiting for GPS fix - ensure GPS has clear view of sky' if reader.is_running and not position else None
@@ -161,18 +204,42 @@ def get_position():
             })
 
 
+@gps_bp.route('/satellites')
+def get_satellites():
+    """Get current satellite sky view data."""
+    reader = get_gps_reader()
+
+    if not reader or not reader.is_running:
+        return jsonify({
+            'status': 'error',
+            'message': 'GPS client not running'
+        }), 400
+
+    sky = reader.sky
+    if sky:
+        return jsonify({
+            'status': 'ok',
+            'sky': sky.to_dict()
+        })
+    else:
+        return jsonify({
+            'status': 'waiting',
+            'message': 'Waiting for satellite data'
+        })
+
+
 @gps_bp.route('/stream')
 def stream_gps():
-    """SSE stream of GPS position updates."""
+    """SSE stream of GPS position and sky updates."""
     def generate() -> Generator[str, None, None]:
         last_keepalive = time.time()
         keepalive_interval = 30.0
 
         while True:
             try:
-                position = _gps_queue.get(timeout=1)
+                data = _gps_queue.get(timeout=1)
                 last_keepalive = time.time()
-                yield format_sse({'type': 'position', **position})
+                yield format_sse(data)
             except queue.Empty:
                 now = time.time()
                 if now - last_keepalive >= keepalive_interval:

routes/listening_post.py

@@ -20,6 +20,7 @@ from flask import Blueprint, jsonify, request, Response
 import app as app_module
 from utils.logging import get_logger
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.constants import (
     SSE_QUEUE_TIMEOUT,
     SSE_KEEPALIVE_INTERVAL,
@@ -101,15 +102,21 @@ def find_ffmpeg() -> str | None:
     return shutil.which('ffmpeg')
 
 
-VALID_MODULATIONS = ['fm', 'wfm', 'am', 'usb', 'lsb']
-
-
-def normalize_modulation(value: str) -> str:
-    """Normalize and validate modulation string."""
-    mod = str(value or '').lower().strip()
-    if mod not in VALID_MODULATIONS:
-        raise ValueError(f'Invalid modulation. Use: {", ".join(VALID_MODULATIONS)}')
-    return mod
+VALID_MODULATIONS = ['fm', 'wfm', 'am', 'usb', 'lsb']
+
+
+def normalize_modulation(value: str) -> str:
+    """Normalize and validate modulation string."""
+    mod = str(value or '').lower().strip()
+    if mod not in VALID_MODULATIONS:
+        raise ValueError(f'Invalid modulation. Use: {", ".join(VALID_MODULATIONS)}')
+    return mod
+
+
+def _rtl_fm_demod_mode(modulation: str) -> str:
+    """Map UI modulation names to rtl_fm demod tokens."""
+    mod = str(modulation or '').lower().strip()
+    return 'wbfm' if mod == 'wfm' else mod
 
 
 
@@ -206,14 +213,14 @@ def scanner_loop():
                 resample_rate = 24000
 
             # Don't use squelch in rtl_fm - we want to analyze raw audio
-            rtl_cmd = [
-                rtl_fm_path,
-                '-M', mod,
-                '-f', str(freq_hz),
-                '-s', str(sample_rate),
-                '-r', str(resample_rate),
-                '-g', str(gain),
-                '-d', str(device),
+            rtl_cmd = [
+                rtl_fm_path,
+                '-M', _rtl_fm_demod_mode(mod),
+                '-f', str(freq_hz),
+                '-s', str(sample_rate),
+                '-r', str(resample_rate),
+                '-g', str(gain),
+                '-d', str(device),
             ]
             # Add bias-t flag if enabled (for external LNA power)
             if scanner_config.get('bias_t', False):
@@ -678,14 +685,14 @@ def _start_audio_stream(frequency: float, modulation: str):
                 return
 
             freq_hz = int(frequency * 1e6)
-            sdr_cmd = [
-                rtl_fm_path,
-                '-M', modulation,
-                '-f', str(freq_hz),
-                '-s', str(sample_rate),
-                '-r', str(resample_rate),
-                '-g', str(scanner_config['gain']),
-                '-d', str(scanner_config['device']),
+            sdr_cmd = [
+                rtl_fm_path,
+                '-M', _rtl_fm_demod_mode(modulation),
+                '-f', str(freq_hz),
+                '-s', str(sample_rate),
+                '-r', str(resample_rate),
+                '-g', str(scanner_config['gain']),
+                '-d', str(scanner_config['device']),
                 '-l', str(scanner_config['squelch']),
             ]
             if scanner_config.get('bias_t', False):
@@ -839,9 +846,13 @@ def _start_audio_stream(frequency: float, modulation: str):
             try:
                 ready, _, _ = select.select([audio_process.stdout], [], [], 4.0)
                 if not ready:
-                    logger.warning("Audio pipeline produced no data in startup window")
+                    logger.warning("Audio pipeline produced no data in startup window — killing stalled pipeline")
+                    _stop_audio_stream_internal()
+                    return
             except Exception as e:
                 logger.warning(f"Audio startup check failed: {e}")
+                _stop_audio_stream_internal()
+                return
 
             audio_running = True
             audio_frequency = frequency
@@ -866,6 +877,8 @@ def _stop_audio_stream_internal():
     audio_running = False
     audio_frequency = 0.0
 
+    had_processes = audio_process is not None or audio_rtl_process is not None
+
     # Kill the pipeline processes and their groups
     if audio_process:
         try:
@@ -891,19 +904,9 @@ def _stop_audio_stream_internal():
     audio_process = None
     audio_rtl_process = None
 
-    # Kill any orphaned rtl_fm, rtl_power, and ffmpeg processes
-    for proc_pattern in ['rtl_fm', 'rtl_power']:
-        try:
-            subprocess.run(['pkill', '-9', proc_pattern], capture_output=True, timeout=0.5)
-        except Exception:
-            pass
-    try:
-        subprocess.run(['pkill', '-9', '-f', 'ffmpeg.*pipe:0'], capture_output=True, timeout=0.5)
-    except Exception:
-        pass
-
     # Pause for SDR device USB interface to be released by kernel
-    time.sleep(1.0)
+    if had_processes:
+        time.sleep(1.0)
 
 
 # ============================================
@@ -1186,6 +1189,10 @@ def stream_scanner_events() -> Response:
             try:
                 msg = scanner_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('listening_scanner', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -1304,11 +1311,40 @@ def start_audio() -> Response:
     scanner_config['device'] = device
     scanner_config['sdr_type'] = sdr_type
 
-    # Claim device for listening audio
+    # Stop waterfall if it's using the same SDR (SSE path)
+    if waterfall_running and waterfall_active_device == device:
+        _stop_waterfall_internal()
+        time.sleep(0.2)
+
+    # Claim device for listening audio.  The WebSocket waterfall handler
+    # may still be tearing down its IQ capture process (thread join +
+    # safe_terminate can take several seconds), so we retry with back-off
+    # to give the USB device time to be fully released.
     if listening_active_device is None or listening_active_device != device:
         if listening_active_device is not None:
             app_module.release_sdr_device(listening_active_device)
-        error = app_module.claim_sdr_device(device, 'listening')
+            listening_active_device = None
+
+        error = None
+        max_claim_attempts = 6
+        for attempt in range(max_claim_attempts):
+            # Force-release a stale waterfall registry entry on each
+            # attempt — the WebSocket handler may not have finished
+            # cleanup yet.
+            device_status = app_module.get_sdr_device_status()
+            if device_status.get(device) == 'waterfall':
+                app_module.release_sdr_device(device)
+
+            error = app_module.claim_sdr_device(device, 'listening')
+            if not error:
+                break
+            if attempt < max_claim_attempts - 1:
+                logger.debug(
+                    f"Device claim attempt {attempt + 1}/{max_claim_attempts} "
+                    f"failed, retrying in 0.5s: {error}"
+                )
+                time.sleep(0.5)
+
         if error:
             return jsonify({
                 'status': 'error',
@@ -1411,13 +1447,6 @@ def audio_probe() -> Response:
 @listening_post_bp.route('/audio/stream')
 def stream_audio() -> Response:
     """Stream WAV audio."""
-    # Optionally restart pipeline so the stream starts with a fresh header
-    if request.args.get('fresh') == '1' and audio_running:
-        try:
-            _start_audio_stream(audio_frequency or 0.0, audio_modulation or 'fm')
-        except Exception as e:
-            logger.error(f"Audio stream restart failed: {e}")
-
     # Wait for audio to be ready (up to 2 seconds for modulation/squelch changes)
     for _ in range(40):
         if audio_running and audio_process:
@@ -1433,13 +1462,30 @@ def stream_audio() -> Response:
         if not proc or not proc.stdout:
             return
         try:
-            # First byte timeout to avoid hanging clients forever
+            # Drain stale audio that accumulated in the pipe buffer
+            # between pipeline start and stream connection.  Keep the
+            # first chunk (contains WAV header) and discard the rest
+            # so the browser starts close to real-time.
+            header_chunk = None
+            while True:
+                ready, _, _ = select.select([proc.stdout], [], [], 0)
+                if not ready:
+                    break
+                chunk = proc.stdout.read(8192)
+                if not chunk:
+                    break
+                if header_chunk is None:
+                    header_chunk = chunk
+            if header_chunk:
+                yield header_chunk
+
+            # Stream real-time audio
             first_chunk_deadline = time.time() + 3.0
             while audio_running and proc.poll() is None:
                 # Use select to avoid blocking forever
                 ready, _, _ = select.select([proc.stdout], [], [], 2.0)
                 if ready:
-                    chunk = proc.stdout.read(4096)
+                    chunk = proc.stdout.read(8192)
                     if chunk:
                         yield chunk
                     else:
@@ -1532,9 +1578,51 @@ waterfall_config = {
     'bin_size': 10000,
     'gain': 40,
     'device': 0,
+    'max_bins': 1024,
+    'interval': 0.4,
 }
 
 
+def _parse_rtl_power_line(line: str) -> tuple[str | None, float | None, float | None, list[float]]:
+    """Parse a single rtl_power CSV line into bins."""
+    if not line or line.startswith('#'):
+        return None, None, None, []
+
+    parts = [p.strip() for p in line.split(',')]
+    if len(parts) < 6:
+        return None, None, None, []
+
+    # Timestamp in first two fields (YYYY-MM-DD, HH:MM:SS)
+    timestamp = f"{parts[0]} {parts[1]}" if len(parts) >= 2 else parts[0]
+
+    start_idx = None
+    for i, tok in enumerate(parts):
+        try:
+            val = float(tok)
+        except ValueError:
+            continue
+        if val > 1e5:
+            start_idx = i
+            break
+    if start_idx is None or len(parts) < start_idx + 4:
+        return timestamp, None, None, []
+
+    try:
+        seg_start = float(parts[start_idx])
+        seg_end = float(parts[start_idx + 1])
+        raw_values = []
+        for v in parts[start_idx + 3:]:
+            try:
+                raw_values.append(float(v))
+            except ValueError:
+                continue
+        if raw_values and raw_values[0] >= 0 and any(val < 0 for val in raw_values[1:]):
+            raw_values = raw_values[1:]
+        return timestamp, seg_start, seg_end, raw_values
+    except ValueError:
+        return timestamp, None, None, []
+
+
 def _waterfall_loop():
     """Continuous rtl_power sweep loop emitting waterfall data."""
     global waterfall_running, waterfall_process
@@ -1545,84 +1633,59 @@ def _waterfall_loop():
         waterfall_running = False
         return
 
+    start_hz = int(waterfall_config['start_freq'] * 1e6)
+    end_hz = int(waterfall_config['end_freq'] * 1e6)
+    bin_hz = int(waterfall_config['bin_size'])
+    gain = waterfall_config['gain']
+    device = waterfall_config['device']
+    interval = float(waterfall_config.get('interval', 0.4))
+
+    cmd = [
+        rtl_power_path,
+        '-f', f'{start_hz}:{end_hz}:{bin_hz}',
+        '-i', str(interval),
+        '-g', str(gain),
+        '-d', str(device),
+    ]
+
     try:
-        while waterfall_running:
-            start_hz = int(waterfall_config['start_freq'] * 1e6)
-            end_hz = int(waterfall_config['end_freq'] * 1e6)
-            bin_hz = int(waterfall_config['bin_size'])
-            gain = waterfall_config['gain']
-            device = waterfall_config['device']
+        waterfall_process = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.DEVNULL,
+            bufsize=1,
+            text=True,
+        )
 
-            cmd = [
-                rtl_power_path,
-                '-f', f'{start_hz}:{end_hz}:{bin_hz}',
-                '-i', '0.5',
-                '-1',
-                '-g', str(gain),
-                '-d', str(device),
-            ]
+        current_ts = None
+        all_bins: list[float] = []
+        sweep_start_hz = start_hz
+        sweep_end_hz = end_hz
 
-            try:
-                proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
-                waterfall_process = proc
-                stdout, _ = proc.communicate(timeout=15)
-            except subprocess.TimeoutExpired:
-                proc.kill()
-                stdout = b''
-            finally:
-                waterfall_process = None
+        if not waterfall_process.stdout:
+            return
 
+        for line in waterfall_process.stdout:
             if not waterfall_running:
                 break
 
-            if not stdout:
-                time.sleep(0.2)
+            ts, seg_start, seg_end, bins = _parse_rtl_power_line(line)
+            if ts is None or not bins:
                 continue
 
-            # Parse rtl_power CSV output
-            all_bins = []
-            sweep_start_hz = start_hz
-            sweep_end_hz = end_hz
+            if current_ts is None:
+                current_ts = ts
 
-            for line in stdout.decode(errors='ignore').splitlines():
-                if not line or line.startswith('#'):
-                    continue
-                parts = [p.strip() for p in line.split(',')]
-                start_idx = None
-                for i, tok in enumerate(parts):
-                    try:
-                        val = float(tok)
-                    except ValueError:
-                        continue
-                    if val > 1e5:
-                        start_idx = i
-                        break
-                if start_idx is None or len(parts) < start_idx + 4:
-                    continue
-                try:
-                    seg_start = float(parts[start_idx])
-                    seg_end = float(parts[start_idx + 1])
-                    seg_bin = float(parts[start_idx + 2])
-                    raw_values = []
-                    for v in parts[start_idx + 3:]:
-                        try:
-                            raw_values.append(float(v))
-                        except ValueError:
-                            continue
-                    if raw_values and raw_values[0] >= 0 and any(val < 0 for val in raw_values[1:]):
-                        raw_values = raw_values[1:]
-                    all_bins.extend(raw_values)
-                    sweep_start_hz = min(sweep_start_hz, seg_start)
-                    sweep_end_hz = max(sweep_end_hz, seg_end)
-                except ValueError:
-                    continue
-
-            if all_bins:
+            if ts != current_ts and all_bins:
+                max_bins = int(waterfall_config.get('max_bins') or 0)
+                bins_to_send = all_bins
+                if max_bins > 0 and len(bins_to_send) > max_bins:
+                    bins_to_send = _downsample_bins(bins_to_send, max_bins)
                 msg = {
                     'type': 'waterfall_sweep',
                     'start_freq': sweep_start_hz / 1e6,
                     'end_freq': sweep_end_hz / 1e6,
-                    'bins': all_bins,
+                    'bins': bins_to_send,
                     'timestamp': datetime.now().isoformat(),
                 }
                 try:
@@ -1637,15 +1700,73 @@ def _waterfall_loop():
                     except queue.Full:
                         pass
 
-            time.sleep(0.1)
+                all_bins = []
+                sweep_start_hz = start_hz
+                sweep_end_hz = end_hz
+                current_ts = ts
+
+            all_bins.extend(bins)
+            if seg_start is not None:
+                sweep_start_hz = min(sweep_start_hz, seg_start)
+            if seg_end is not None:
+                sweep_end_hz = max(sweep_end_hz, seg_end)
+
+        # Flush any remaining bins
+        if all_bins and waterfall_running:
+            max_bins = int(waterfall_config.get('max_bins') or 0)
+            bins_to_send = all_bins
+            if max_bins > 0 and len(bins_to_send) > max_bins:
+                bins_to_send = _downsample_bins(bins_to_send, max_bins)
+            msg = {
+                'type': 'waterfall_sweep',
+                'start_freq': sweep_start_hz / 1e6,
+                'end_freq': sweep_end_hz / 1e6,
+                'bins': bins_to_send,
+                'timestamp': datetime.now().isoformat(),
+            }
+            try:
+                waterfall_queue.put_nowait(msg)
+            except queue.Full:
+                pass
 
     except Exception as e:
         logger.error(f"Waterfall loop error: {e}")
     finally:
         waterfall_running = False
+        if waterfall_process and waterfall_process.poll() is None:
+            try:
+                waterfall_process.terminate()
+                waterfall_process.wait(timeout=1)
+            except Exception:
+                try:
+                    waterfall_process.kill()
+                except Exception:
+                    pass
+        waterfall_process = None
         logger.info("Waterfall loop stopped")
 
 
+def _stop_waterfall_internal() -> None:
+    """Stop the waterfall display and release resources."""
+    global waterfall_running, waterfall_process, waterfall_active_device
+
+    waterfall_running = False
+    if waterfall_process and waterfall_process.poll() is None:
+        try:
+            waterfall_process.terminate()
+            waterfall_process.wait(timeout=1)
+        except Exception:
+            try:
+                waterfall_process.kill()
+            except Exception:
+                pass
+        waterfall_process = None
+
+    if waterfall_active_device is not None:
+        app_module.release_sdr_device(waterfall_active_device)
+        waterfall_active_device = None
+
+
 @listening_post_bp.route('/waterfall/start', methods=['POST'])
 def start_waterfall() -> Response:
     """Start the waterfall/spectrogram display."""
@@ -1666,6 +1787,16 @@ def start_waterfall() -> Response:
         waterfall_config['bin_size'] = int(data.get('bin_size', 10000))
         waterfall_config['gain'] = int(data.get('gain', 40))
         waterfall_config['device'] = int(data.get('device', 0))
+        if data.get('interval') is not None:
+            interval = float(data.get('interval', waterfall_config['interval']))
+            if interval < 0.1 or interval > 5:
+                return jsonify({'status': 'error', 'message': 'interval must be between 0.1 and 5 seconds'}), 400
+            waterfall_config['interval'] = interval
+        if data.get('max_bins') is not None:
+            max_bins = int(data.get('max_bins', waterfall_config['max_bins']))
+            if max_bins < 64 or max_bins > 4096:
+                return jsonify({'status': 'error', 'message': 'max_bins must be between 64 and 4096'}), 400
+            waterfall_config['max_bins'] = max_bins
     except (ValueError, TypeError) as e:
         return jsonify({'status': 'error', 'message': f'Invalid parameter: {e}'}), 400
 
@@ -1695,23 +1826,7 @@ def start_waterfall() -> Response:
 @listening_post_bp.route('/waterfall/stop', methods=['POST'])
 def stop_waterfall() -> Response:
     """Stop the waterfall display."""
-    global waterfall_running, waterfall_process, waterfall_active_device
-
-    waterfall_running = False
-    if waterfall_process and waterfall_process.poll() is None:
-        try:
-            waterfall_process.terminate()
-            waterfall_process.wait(timeout=1)
-        except Exception:
-            try:
-                waterfall_process.kill()
-            except Exception:
-                pass
-        waterfall_process = None
-
-    if waterfall_active_device is not None:
-        app_module.release_sdr_device(waterfall_active_device)
-        waterfall_active_device = None
+    _stop_waterfall_internal()
 
     return jsonify({'status': 'stopped'})
 
@@ -1725,6 +1840,10 @@ def stream_waterfall() -> Response:
             try:
                 msg = waterfall_queue.get(timeout=SSE_QUEUE_TIMEOUT)
                 last_keepalive = time.time()
+                try:
+                    process_event('waterfall', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -1736,3 +1855,20 @@ def stream_waterfall() -> Response:
     response.headers['Cache-Control'] = 'no-cache'
     response.headers['X-Accel-Buffering'] = 'no'
     return response
+def _downsample_bins(values: list[float], target: int) -> list[float]:
+    """Downsample bins to a target length using simple averaging."""
+    if target <= 0 or len(values) <= target:
+        return values
+
+    out: list[float] = []
+    step = len(values) / target
+    for i in range(target):
+        start = int(i * step)
+        end = int((i + 1) * step)
+        if end <= start:
+            end = min(start + 1, len(values))
+        chunk = values[start:end]
+        if not chunk:
+            continue
+        out.append(sum(chunk) / len(chunk))
+    return out

routes/meshtastic.py

@@ -1051,3 +1051,19 @@ def request_store_forward():
             'status': 'error',
             'message': error or 'Failed to request S&F history'
         }), 500
+
+
+@meshtastic_bp.route('/topology')
+def mesh_topology():
+    """Return mesh network topology graph."""
+    if not is_meshtastic_available():
+        return jsonify({'status': 'error', 'message': 'Meshtastic SDK not installed'}), 400
+
+    client = get_meshtastic_client()
+    if not client or not client.is_running:
+        return jsonify({'status': 'error', 'message': 'Not connected'}), 400
+
+    return jsonify({
+        'status': 'success',
+        'topology': client.get_topology(),
+    })

routes/offline.py

@@ -13,7 +13,7 @@ OFFLINE_DEFAULTS = {
     'offline.enabled': False,
     'offline.assets_source': 'cdn',
     'offline.fonts_source': 'cdn',
-    'offline.tile_provider': 'cartodb_dark_cyan',
+    'offline.tile_provider': 'cartodb_dark_cyan',
     'offline.tile_server_url': ''
 }
 
@@ -44,6 +44,9 @@ ASSET_PATHS = {
         'static/vendor/leaflet/images/marker-shadow.png',
         'static/vendor/leaflet/images/layers.png',
         'static/vendor/leaflet/images/layers-2x.png'
+    ],
+    'leaflet_heat': [
+        'static/vendor/leaflet-heat/leaflet-heat.js'
     ]
 }
 

routes/pager.py

@@ -2,12 +2,14 @@
 
 from __future__ import annotations
 
+import math
 import os
 import pathlib
 import re
 import pty
 import queue
 import select
+import struct
 import subprocess
 import threading
 import time
@@ -23,7 +25,8 @@ from utils.validation import (
     validate_rtl_tcp_host, validate_rtl_tcp_port
 )
 from utils.sse import format_sse
-from utils.process import safe_terminate, register_process
+from utils.event_pipeline import process_event
+from utils.process import safe_terminate, register_process, unregister_process
 from utils.sdr import SDRFactory, SDRType, SDRValidationError
 from utils.dependencies import get_tool_path
 
@@ -105,6 +108,62 @@ def log_message(msg: dict[str, Any]) -> None:
         logger.error(f"Failed to log message: {e}")
 
 
+def audio_relay_thread(
+    rtl_stdout,
+    multimon_stdin,
+    output_queue: queue.Queue,
+    stop_event: threading.Event,
+) -> None:
+    """Relay audio from rtl_fm to multimon-ng while computing signal levels.
+
+    Reads raw 16-bit LE PCM from *rtl_stdout*, writes every chunk straight
+    through to *multimon_stdin*, and every ~100 ms pushes an RMS / peak scope
+    event onto *output_queue*.
+    """
+    CHUNK = 4096  # bytes – 2048 samples at 16-bit mono
+    INTERVAL = 0.1  # seconds between scope updates
+    last_scope = time.monotonic()
+
+    try:
+        while not stop_event.is_set():
+            data = rtl_stdout.read(CHUNK)
+            if not data:
+                break
+
+            # Forward audio untouched
+            try:
+                multimon_stdin.write(data)
+                multimon_stdin.flush()
+            except (BrokenPipeError, OSError):
+                break
+
+            # Compute scope levels every ~100 ms
+            now = time.monotonic()
+            if now - last_scope >= INTERVAL:
+                last_scope = now
+                try:
+                    n_samples = len(data) // 2
+                    if n_samples == 0:
+                        continue
+                    samples = struct.unpack(f'<{n_samples}h', data[:n_samples * 2])
+                    peak = max(abs(s) for s in samples)
+                    rms = int(math.sqrt(sum(s * s for s in samples) / n_samples))
+                    output_queue.put_nowait({
+                        'type': 'scope',
+                        'rms': rms,
+                        'peak': peak,
+                    })
+                except (struct.error, ValueError, queue.Full):
+                    pass
+    except Exception as e:
+        logger.debug(f"Audio relay error: {e}")
+    finally:
+        try:
+            multimon_stdin.close()
+        except OSError:
+            pass
+
+
 def stream_decoder(master_fd: int, process: subprocess.Popen[bytes]) -> None:
     """Stream decoder output to queue using PTY for unbuffered output."""
     try:
@@ -146,14 +205,37 @@ def stream_decoder(master_fd: int, process: subprocess.Popen[bytes]) -> None:
     except Exception as e:
         app_module.output_queue.put({'type': 'error', 'text': str(e)})
     finally:
+        global pager_active_device
         try:
             os.close(master_fd)
         except OSError:
             pass
-        process.wait()
+        # Signal relay thread to stop
+        with app_module.process_lock:
+            stop_relay = getattr(app_module.current_process, '_stop_relay', None)
+        if stop_relay:
+            stop_relay.set()
+        # Cleanup companion rtl_fm process and decoder
+        with app_module.process_lock:
+            rtl_proc = getattr(app_module.current_process, '_rtl_process', None)
+        for proc in [rtl_proc, process]:
+            if proc:
+                try:
+                    proc.terminate()
+                    proc.wait(timeout=2)
+                except Exception:
+                    try:
+                        proc.kill()
+                    except Exception:
+                        pass
+                unregister_process(proc)
         app_module.output_queue.put({'type': 'status', 'text': 'stopped'})
         with app_module.process_lock:
             app_module.current_process = None
+        # Release SDR device
+        if pager_active_device is not None:
+            app_module.release_sdr_device(pager_active_device)
+            pager_active_device = None
 
 
 @pager_bp.route('/start', methods=['POST'])
@@ -281,6 +363,7 @@ def start_decoding() -> Response:
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE
             )
+            register_process(rtl_process)
 
             # Start a thread to monitor rtl_fm stderr for errors
             def monitor_rtl_stderr():
@@ -299,18 +382,30 @@ def start_decoding() -> Response:
 
             multimon_process = subprocess.Popen(
                 multimon_cmd,
-                stdin=rtl_process.stdout,
+                stdin=subprocess.PIPE,
                 stdout=slave_fd,
                 stderr=slave_fd,
                 close_fds=True
             )
+            register_process(multimon_process)
 
             os.close(slave_fd)
-            rtl_process.stdout.close()
+
+            # Spawn audio relay thread between rtl_fm and multimon-ng
+            stop_relay = threading.Event()
+            relay = threading.Thread(
+                target=audio_relay_thread,
+                args=(rtl_process.stdout, multimon_process.stdin,
+                      app_module.output_queue, stop_relay),
+            )
+            relay.daemon = True
+            relay.start()
 
             app_module.current_process = multimon_process
             app_module.current_process._rtl_process = rtl_process
             app_module.current_process._master_fd = master_fd
+            app_module.current_process._stop_relay = stop_relay
+            app_module.current_process._relay_thread = relay
 
             # Start output thread with PTY master fd
             thread = threading.Thread(target=stream_decoder, args=(master_fd, multimon_process))
@@ -322,12 +417,30 @@ def start_decoding() -> Response:
             return jsonify({'status': 'started', 'command': full_cmd})
 
         except FileNotFoundError as e:
+            # Kill orphaned rtl_fm process
+            try:
+                rtl_process.terminate()
+                rtl_process.wait(timeout=2)
+            except Exception:
+                try:
+                    rtl_process.kill()
+                except Exception:
+                    pass
             # Release device on failure
             if pager_active_device is not None:
                 app_module.release_sdr_device(pager_active_device)
                 pager_active_device = None
             return jsonify({'status': 'error', 'message': f'Tool not found: {e.filename}'})
         except Exception as e:
+            # Kill orphaned rtl_fm process if it was started
+            try:
+                rtl_process.terminate()
+                rtl_process.wait(timeout=2)
+            except Exception:
+                try:
+                    rtl_process.kill()
+                except Exception:
+                    pass
             # Release device on failure
             if pager_active_device is not None:
                 app_module.release_sdr_device(pager_active_device)
@@ -341,6 +454,10 @@ def stop_decoding() -> Response:
 
     with app_module.process_lock:
         if app_module.current_process:
+            # Signal audio relay thread to stop
+            if hasattr(app_module.current_process, '_stop_relay'):
+                app_module.current_process._stop_relay.set()
+
             # Kill rtl_fm process first
             if hasattr(app_module.current_process, '_rtl_process'):
                 try:
@@ -433,6 +550,10 @@ def stream() -> Response:
             try:
                 msg = app_module.output_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('pager', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()

routes/recordings.py

@@ -0,0 +1,109 @@
+"""Session recording API endpoints."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from flask import Blueprint, jsonify, request, send_file
+
+from utils.recording import get_recording_manager, RECORDING_ROOT
+
+recordings_bp = Blueprint('recordings', __name__, url_prefix='/recordings')
+
+
+@recordings_bp.route('/start', methods=['POST'])
+def start_recording():
+    data = request.get_json() or {}
+    mode = (data.get('mode') or '').strip()
+    if not mode:
+        return jsonify({'status': 'error', 'message': 'mode is required'}), 400
+
+    label = data.get('label')
+    metadata = data.get('metadata') if isinstance(data.get('metadata'), dict) else {}
+
+    manager = get_recording_manager()
+    session = manager.start_recording(mode=mode, label=label, metadata=metadata)
+
+    return jsonify({
+        'status': 'success',
+        'session': {
+            'id': session.id,
+            'mode': session.mode,
+            'label': session.label,
+            'started_at': session.started_at.isoformat(),
+            'file_path': str(session.file_path),
+        }
+    })
+
+
+@recordings_bp.route('/stop', methods=['POST'])
+def stop_recording():
+    data = request.get_json() or {}
+    mode = data.get('mode')
+    session_id = data.get('id')
+
+    manager = get_recording_manager()
+    session = manager.stop_recording(mode=mode, session_id=session_id)
+    if not session:
+        return jsonify({'status': 'error', 'message': 'No active recording found'}), 404
+
+    return jsonify({
+        'status': 'success',
+        'session': {
+            'id': session.id,
+            'mode': session.mode,
+            'label': session.label,
+            'started_at': session.started_at.isoformat(),
+            'stopped_at': session.stopped_at.isoformat() if session.stopped_at else None,
+            'event_count': session.event_count,
+            'size_bytes': session.size_bytes,
+            'file_path': str(session.file_path),
+        }
+    })
+
+
+@recordings_bp.route('', methods=['GET'])
+def list_recordings():
+    manager = get_recording_manager()
+    limit = request.args.get('limit', default=50, type=int)
+    return jsonify({
+        'status': 'success',
+        'recordings': manager.list_recordings(limit=limit),
+        'active': manager.get_active(),
+    })
+
+
+@recordings_bp.route('/<session_id>', methods=['GET'])
+def get_recording(session_id: str):
+    manager = get_recording_manager()
+    rec = manager.get_recording(session_id)
+    if not rec:
+        return jsonify({'status': 'error', 'message': 'Recording not found'}), 404
+    return jsonify({'status': 'success', 'recording': rec})
+
+
+@recordings_bp.route('/<session_id>/download', methods=['GET'])
+def download_recording(session_id: str):
+    manager = get_recording_manager()
+    rec = manager.get_recording(session_id)
+    if not rec:
+        return jsonify({'status': 'error', 'message': 'Recording not found'}), 404
+
+    file_path = Path(rec['file_path'])
+    try:
+        resolved_root = RECORDING_ROOT.resolve()
+        resolved_file = file_path.resolve()
+        if resolved_root not in resolved_file.parents:
+            return jsonify({'status': 'error', 'message': 'Invalid recording path'}), 400
+    except Exception:
+        return jsonify({'status': 'error', 'message': 'Invalid recording path'}), 400
+
+    if not file_path.exists():
+        return jsonify({'status': 'error', 'message': 'Recording file missing'}), 404
+
+    return send_file(
+        file_path,
+        mimetype='application/x-ndjson',
+        as_attachment=True,
+        download_name=file_path.name,
+    )

routes/rtlamr.py

@@ -18,7 +18,8 @@ from utils.validation import (
     validate_frequency, validate_device_index, validate_gain, validate_ppm
 )
 from utils.sse import format_sse
-from utils.process import safe_terminate, register_process
+from utils.event_pipeline import process_event
+from utils.process import safe_terminate, register_process, unregister_process
 
 rtlamr_bp = Blueprint('rtlamr', __name__)
 
@@ -61,10 +62,37 @@ def stream_rtlamr_output(process: subprocess.Popen[bytes]) -> None:
     except Exception as e:
         app_module.rtlamr_queue.put({'type': 'error', 'text': str(e)})
     finally:
-        process.wait()
+        global rtl_tcp_process, rtlamr_active_device
+        # Ensure rtlamr process is terminated
+        try:
+            process.terminate()
+            process.wait(timeout=2)
+        except Exception:
+            try:
+                process.kill()
+            except Exception:
+                pass
+        unregister_process(process)
+        # Kill companion rtl_tcp process
+        with rtl_tcp_lock:
+            if rtl_tcp_process:
+                try:
+                    rtl_tcp_process.terminate()
+                    rtl_tcp_process.wait(timeout=2)
+                except Exception:
+                    try:
+                        rtl_tcp_process.kill()
+                    except Exception:
+                        pass
+                unregister_process(rtl_tcp_process)
+                rtl_tcp_process = None
         app_module.rtlamr_queue.put({'type': 'status', 'text': 'stopped'})
         with app_module.rtlamr_lock:
             app_module.rtlamr_process = None
+        # Release SDR device
+        if rtlamr_active_device is not None:
+            app_module.release_sdr_device(rtlamr_active_device)
+            rtlamr_active_device = None
 
 
 @rtlamr_bp.route('/start_rtlamr', methods=['POST'])
@@ -133,7 +161,8 @@ def start_rtlamr() -> Response:
                         stdout=subprocess.PIPE,
                         stderr=subprocess.PIPE
                     )
-                    
+                    register_process(rtl_tcp_process)
+
                     # Wait a moment for rtl_tcp to start
                     time.sleep(3)
                     
@@ -141,6 +170,10 @@ def start_rtlamr() -> Response:
                     app_module.rtlamr_queue.put({'type': 'info', 'text': f'rtl_tcp: {" ".join(rtl_tcp_cmd)}'})
                 except Exception as e:
                     logger.error(f"Failed to start rtl_tcp: {e}")
+                    # Release SDR device on rtl_tcp failure
+                    if rtlamr_active_device is not None:
+                        app_module.release_sdr_device(rtlamr_active_device)
+                        rtlamr_active_device = None
                     return jsonify({'status': 'error', 'message': f'Failed to start rtl_tcp: {e}'}), 500
 
         # Build rtlamr command
@@ -174,6 +207,7 @@ def start_rtlamr() -> Response:
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE
             )
+            register_process(app_module.rtlamr_process)
 
             # Start output thread
             thread = threading.Thread(target=stream_rtlamr_output, args=(app_module.rtlamr_process,))
@@ -262,6 +296,10 @@ def stream_rtlamr() -> Response:
             try:
                 msg = app_module.rtlamr_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('rtlamr', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()

routes/satellite.py

@@ -16,6 +16,13 @@ from flask import Blueprint, jsonify, request, render_template, Response
 from config import SHARED_OBSERVER_LOCATION_ENABLED
 
 from data.satellites import TLE_SATELLITES
+from utils.database import (
+    get_tracked_satellites,
+    add_tracked_satellite,
+    bulk_add_tracked_satellites,
+    update_tracked_satellite,
+    remove_tracked_satellite,
+)
 from utils.logging import satellite_logger as logger
 from utils.validation import validate_latitude, validate_longitude, validate_hours, validate_elevation
 
@@ -31,6 +38,43 @@ ALLOWED_TLE_HOSTS = ['celestrak.org', 'celestrak.com', 'www.celestrak.org', 'www
 _tle_cache = dict(TLE_SATELLITES)
 
 
+def _load_db_satellites_into_cache():
+    """Load user-tracked satellites from DB into the TLE cache."""
+    global _tle_cache
+    try:
+        db_sats = get_tracked_satellites()
+        loaded = 0
+        for sat in db_sats:
+            if sat['tle_line1'] and sat['tle_line2']:
+                # Use a cache key derived from name (sanitised)
+                cache_key = sat['name'].replace(' ', '-').upper()
+                if cache_key not in _tle_cache:
+                    _tle_cache[cache_key] = (sat['name'], sat['tle_line1'], sat['tle_line2'])
+                    loaded += 1
+        if loaded:
+            logger.info(f"Loaded {loaded} user-tracked satellites into TLE cache")
+    except Exception as e:
+        logger.warning(f"Failed to load DB satellites into TLE cache: {e}")
+
+
+def init_tle_auto_refresh():
+    """Initialize TLE auto-refresh. Called by app.py after initialization."""
+    import threading
+
+    def _auto_refresh_tle():
+        try:
+            _load_db_satellites_into_cache()
+            updated = refresh_tle_data()
+            if updated:
+                logger.info(f"Auto-refreshed TLE data for: {', '.join(updated)}")
+        except Exception as e:
+            logger.warning(f"Auto TLE refresh failed: {e}")
+
+    # Start auto-refresh in background
+    threading.Timer(2.0, _auto_refresh_tle).start()
+    logger.info("TLE auto-refresh scheduled")
+
+
 def _fetch_iss_realtime(observer_lat: Optional[float] = None, observer_lon: Optional[float] = None) -> Optional[dict]:
     """
     Fetch real-time ISS position from external APIs.
@@ -153,15 +197,11 @@ def predict_passes():
 
     norad_to_name = {
         25544: 'ISS',
-        25338: 'NOAA-15',
-        28654: 'NOAA-18',
-        33591: 'NOAA-19',
-        43013: 'NOAA-20',
         40069: 'METEOR-M2',
         57166: 'METEOR-M2-3'
     }
 
-    sat_input = data.get('satellites', ['ISS', 'NOAA-15', 'NOAA-18', 'NOAA-19'])
+    sat_input = data.get('satellites', ['ISS', 'METEOR-M2', 'METEOR-M2-3'])
     satellites = []
     for sat in sat_input:
         if isinstance(sat, int) and sat in norad_to_name:
@@ -172,10 +212,6 @@ def predict_passes():
     passes = []
     colors = {
         'ISS': '#00ffff',
-        'NOAA-15': '#00ff00',
-        'NOAA-18': '#ff6600',
-        'NOAA-19': '#ff3366',
-        'NOAA-20': '#00ffaa',
         'METEOR-M2': '#9370DB',
         'METEOR-M2-3': '#ff00ff'
     }
@@ -312,10 +348,6 @@ def get_satellite_position():
 
     norad_to_name = {
         25544: 'ISS',
-        25338: 'NOAA-15',
-        28654: 'NOAA-18',
-        33591: 'NOAA-19',
-        43013: 'NOAA-20',
         40069: 'METEOR-M2',
         57166: 'METEOR-M2-3'
     }
@@ -481,7 +513,8 @@ def update_tle():
             'updated': updated
         })
     except Exception as e:
-        return jsonify({'status': 'error', 'message': str(e)})
+        logger.error(f"Error updating TLE data: {e}")
+        return jsonify({'status': 'error', 'message': 'TLE update failed'})
 
 
 @satellite_bp.route('/celestrak/<category>')
@@ -535,4 +568,77 @@ def fetch_celestrak(category):
         })
 
     except Exception as e:
-        return jsonify({'status': 'error', 'message': str(e)})
+        logger.error(f"Error fetching CelesTrak data: {e}")
+        return jsonify({'status': 'error', 'message': 'Failed to fetch satellite data'})
+
+
+# =============================================================================
+# Tracked Satellites CRUD
+# =============================================================================
+
+@satellite_bp.route('/tracked', methods=['GET'])
+def list_tracked_satellites():
+    """Return all tracked satellites from the database."""
+    enabled_only = request.args.get('enabled', '').lower() == 'true'
+    sats = get_tracked_satellites(enabled_only=enabled_only)
+    return jsonify({'status': 'success', 'satellites': sats})
+
+
+@satellite_bp.route('/tracked', methods=['POST'])
+def add_tracked_satellites_endpoint():
+    """Add one or more tracked satellites."""
+    global _tle_cache
+    data = request.json
+    if not data:
+        return jsonify({'status': 'error', 'message': 'No data provided'}), 400
+
+    # Accept a single satellite dict or a list
+    sat_list = data if isinstance(data, list) else [data]
+
+    added = 0
+    for sat in sat_list:
+        norad_id = str(sat.get('norad_id', sat.get('norad', '')))
+        name = sat.get('name', '')
+        if not norad_id or not name:
+            continue
+        tle1 = sat.get('tle_line1', sat.get('tle1'))
+        tle2 = sat.get('tle_line2', sat.get('tle2'))
+        enabled = sat.get('enabled', True)
+
+        if add_tracked_satellite(norad_id, name, tle1, tle2, enabled):
+            added += 1
+
+        # Also inject into TLE cache if we have TLE data
+        if tle1 and tle2:
+            cache_key = name.replace(' ', '-').upper()
+            _tle_cache[cache_key] = (name, tle1, tle2)
+
+    return jsonify({
+        'status': 'success',
+        'added': added,
+        'satellites': get_tracked_satellites(),
+    })
+
+
+@satellite_bp.route('/tracked/<norad_id>', methods=['PUT'])
+def update_tracked_satellite_endpoint(norad_id):
+    """Update the enabled state of a tracked satellite."""
+    data = request.json or {}
+    enabled = data.get('enabled')
+    if enabled is None:
+        return jsonify({'status': 'error', 'message': 'Missing enabled field'}), 400
+
+    ok = update_tracked_satellite(str(norad_id), bool(enabled))
+    if ok:
+        return jsonify({'status': 'success'})
+    return jsonify({'status': 'error', 'message': 'Satellite not found'}), 404
+
+
+@satellite_bp.route('/tracked/<norad_id>', methods=['DELETE'])
+def delete_tracked_satellite_endpoint(norad_id):
+    """Remove a tracked satellite by NORAD ID."""
+    ok, msg = remove_tracked_satellite(str(norad_id))
+    if ok:
+        return jsonify({'status': 'success', 'message': msg})
+    status_code = 403 if 'builtin' in msg.lower() else 404
+    return jsonify({'status': 'error', 'message': msg}), status_code

routes/sensor.py

@@ -19,7 +19,8 @@ from utils.validation import (
     validate_rtl_tcp_host, validate_rtl_tcp_port
 )
 from utils.sse import format_sse
-from utils.process import safe_terminate, register_process
+from utils.event_pipeline import process_event
+from utils.process import safe_terminate, register_process, unregister_process
 from utils.sdr import SDRFactory, SDRType
 
 sensor_bp = Blueprint('sensor', __name__)
@@ -27,6 +28,10 @@ sensor_bp = Blueprint('sensor', __name__)
 # Track which device is being used
 sensor_active_device: int | None = None
 
+# RSSI history per device (model_id -> list of (timestamp, rssi))
+sensor_rssi_history: dict[str, list[tuple[float, float]]] = {}
+_MAX_RSSI_HISTORY = 60
+
 
 def stream_sensor_output(process: subprocess.Popen[bytes]) -> None:
     """Stream rtl_433 JSON output to queue."""
@@ -44,6 +49,32 @@ def stream_sensor_output(process: subprocess.Popen[bytes]) -> None:
                 data['type'] = 'sensor'
                 app_module.sensor_queue.put(data)
 
+                # Track RSSI history per device
+                _model = data.get('model', '')
+                _dev_id = data.get('id', '')
+                _rssi_val = data.get('rssi')
+                if _rssi_val is not None and _model:
+                    _hist_key = f"{_model}_{_dev_id}"
+                    hist = sensor_rssi_history.setdefault(_hist_key, [])
+                    hist.append((time.time(), float(_rssi_val)))
+                    if len(hist) > _MAX_RSSI_HISTORY:
+                        del hist[: len(hist) - _MAX_RSSI_HISTORY]
+
+                # Push scope event when signal level data is present
+                rssi = data.get('rssi')
+                snr = data.get('snr')
+                noise = data.get('noise')
+                if rssi is not None or snr is not None:
+                    try:
+                        app_module.sensor_queue.put_nowait({
+                            'type': 'scope',
+                            'rssi': rssi if rssi is not None else 0,
+                            'snr': snr if snr is not None else 0,
+                            'noise': noise if noise is not None else 0,
+                        })
+                    except queue.Full:
+                        pass
+
                 # Log if enabled
                 if app_module.logging_enabled:
                     try:
@@ -59,10 +90,32 @@ def stream_sensor_output(process: subprocess.Popen[bytes]) -> None:
     except Exception as e:
         app_module.sensor_queue.put({'type': 'error', 'text': str(e)})
     finally:
-        process.wait()
+        global sensor_active_device
+        # Ensure process is terminated
+        try:
+            process.terminate()
+            process.wait(timeout=2)
+        except Exception:
+            try:
+                process.kill()
+            except Exception:
+                pass
+        unregister_process(process)
         app_module.sensor_queue.put({'type': 'status', 'text': 'stopped'})
         with app_module.sensor_lock:
             app_module.sensor_process = None
+        # Release SDR device
+        if sensor_active_device is not None:
+            app_module.release_sdr_device(sensor_active_device)
+            sensor_active_device = None
+
+
+@sensor_bp.route('/sensor/status')
+def sensor_status() -> Response:
+    """Check if sensor decoder is currently running."""
+    with app_module.sensor_lock:
+        running = app_module.sensor_process is not None and app_module.sensor_process.poll() is None
+    return jsonify({'running': running})
 
 
 @sensor_bp.route('/start_sensor', methods=['POST'])
@@ -143,12 +196,17 @@ def start_sensor() -> Response:
         full_cmd = ' '.join(cmd)
         logger.info(f"Running: {full_cmd}")
 
+        # Add signal level metadata so the frontend scope can display RSSI/SNR
+        # Disable stats reporting to suppress "row count limit 50 reached" warnings
+        cmd.extend(['-M', 'level', '-M', 'stats:0'])
+
         try:
             app_module.sensor_process = subprocess.Popen(
                 cmd,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE
             )
+            register_process(app_module.sensor_process)
 
             # Start output thread
             thread = threading.Thread(target=stream_sensor_output, args=(app_module.sensor_process,))
@@ -156,10 +214,16 @@ def start_sensor() -> Response:
             thread.start()
 
             # Monitor stderr
+            # Filter noisy rtl_433 diagnostics that aren't useful to display
+            _stderr_noise = (
+                'bitbuffer_add_bit',
+                'row count limit',
+            )
+
             def monitor_stderr():
                 for line in app_module.sensor_process.stderr:
                     err = line.decode('utf-8', errors='replace').strip()
-                    if err:
+                    if err and not any(noise in err for noise in _stderr_noise):
                         logger.debug(f"[rtl_433] {err}")
                         app_module.sensor_queue.put({'type': 'info', 'text': f'[rtl_433] {err}'})
 
@@ -218,6 +282,10 @@ def stream_sensor() -> Response:
             try:
                 msg = app_module.sensor_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('sensor', msg, msg.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
@@ -230,3 +298,12 @@ def stream_sensor() -> Response:
     response.headers['X-Accel-Buffering'] = 'no'
     response.headers['Connection'] = 'keep-alive'
     return response
+
+
+@sensor_bp.route('/sensor/rssi_history')
+def get_rssi_history() -> Response:
+    """Return RSSI history for all tracked sensor devices."""
+    result = {}
+    for key, entries in sensor_rssi_history.items():
+        result[key] = [{'t': round(t, 1), 'rssi': rssi} for t, rssi in entries]
+    return jsonify({'status': 'success', 'devices': result})

routes/space_weather.py

@@ -0,0 +1,300 @@
+"""Space Weather routes - proxies NOAA SWPC, NASA SDO, and HamQSL data."""
+
+from __future__ import annotations
+
+import json
+import time
+import urllib.error
+import urllib.request
+import xml.etree.ElementTree as ET
+from typing import Any
+
+from flask import Blueprint, Response, jsonify
+
+from utils.logging import get_logger
+
+logger = get_logger('intercept.space_weather')
+
+space_weather_bp = Blueprint('space_weather', __name__, url_prefix='/space-weather')
+
+# ---------------------------------------------------------------------------
+# TTL Cache
+# ---------------------------------------------------------------------------
+
+_cache: dict[str, dict[str, Any]] = {}
+
+# Cache TTLs in seconds
+TTL_REALTIME = 300       # 5 min for real-time data
+TTL_FORECAST = 1800      # 30 min for forecasts
+TTL_DAILY = 3600         # 1 hr for daily summaries
+TTL_IMAGE = 600          # 10 min for images
+
+
+def _cache_get(key: str) -> Any | None:
+    entry = _cache.get(key)
+    if entry and time.time() < entry['expires']:
+        return entry['data']
+    return None
+
+
+def _cache_set(key: str, data: Any, ttl: int) -> None:
+    _cache[key] = {'data': data, 'expires': time.time() + ttl}
+
+
+# ---------------------------------------------------------------------------
+# HTTP helpers
+# ---------------------------------------------------------------------------
+
+_TIMEOUT = 15  # seconds
+
+SWPC_BASE = 'https://services.swpc.noaa.gov'
+SWPC_JSON = f'{SWPC_BASE}/products'
+
+
+def _fetch_json(url: str, timeout: int = _TIMEOUT) -> Any | None:
+    try:
+        req = urllib.request.Request(url, headers={'User-Agent': 'INTERCEPT/1.0'})
+        with urllib.request.urlopen(req, timeout=timeout) as resp:
+            return json.loads(resp.read().decode())
+    except Exception as exc:
+        logger.warning('Failed to fetch %s: %s', url, exc)
+        return None
+
+
+def _fetch_text(url: str, timeout: int = _TIMEOUT) -> str | None:
+    try:
+        req = urllib.request.Request(url, headers={'User-Agent': 'INTERCEPT/1.0'})
+        with urllib.request.urlopen(req, timeout=timeout) as resp:
+            return resp.read().decode()
+    except Exception as exc:
+        logger.warning('Failed to fetch %s: %s', url, exc)
+        return None
+
+
+def _fetch_bytes(url: str, timeout: int = _TIMEOUT) -> bytes | None:
+    try:
+        req = urllib.request.Request(url, headers={'User-Agent': 'INTERCEPT/1.0'})
+        with urllib.request.urlopen(req, timeout=timeout) as resp:
+            return resp.read()
+    except Exception as exc:
+        logger.warning('Failed to fetch %s: %s', url, exc)
+        return None
+
+
+# ---------------------------------------------------------------------------
+# Data source fetchers
+# ---------------------------------------------------------------------------
+
+def _fetch_cached_json(cache_key: str, url: str, ttl: int) -> Any | None:
+    cached = _cache_get(cache_key)
+    if cached is not None:
+        return cached
+    data = _fetch_json(url)
+    if data is not None:
+        _cache_set(cache_key, data, ttl)
+    return data
+
+
+def _fetch_kp_index() -> Any | None:
+    return _fetch_cached_json('kp_index', f'{SWPC_JSON}/noaa-planetary-k-index.json', TTL_REALTIME)
+
+
+def _fetch_kp_forecast() -> Any | None:
+    return _fetch_cached_json('kp_forecast', f'{SWPC_JSON}/noaa-planetary-k-index-forecast.json', TTL_FORECAST)
+
+
+def _fetch_scales() -> Any | None:
+    return _fetch_cached_json('scales', f'{SWPC_JSON}/noaa-scales.json', TTL_REALTIME)
+
+
+def _fetch_flux() -> Any | None:
+    return _fetch_cached_json('flux', f'{SWPC_JSON}/10cm-flux-30-day.json', TTL_DAILY)
+
+
+def _fetch_alerts() -> Any | None:
+    return _fetch_cached_json('alerts', f'{SWPC_JSON}/alerts.json', TTL_REALTIME)
+
+
+def _fetch_solar_wind_plasma() -> Any | None:
+    return _fetch_cached_json('sw_plasma', f'{SWPC_JSON}/solar-wind/plasma-6-hour.json', TTL_REALTIME)
+
+
+def _fetch_solar_wind_mag() -> Any | None:
+    return _fetch_cached_json('sw_mag', f'{SWPC_JSON}/solar-wind/mag-6-hour.json', TTL_REALTIME)
+
+
+def _fetch_xrays() -> Any | None:
+    return _fetch_cached_json('xrays', f'{SWPC_BASE}/json/goes/primary/xrays-1-day.json', TTL_REALTIME)
+
+
+def _fetch_xray_flares() -> Any | None:
+    return _fetch_cached_json('xray_flares', f'{SWPC_BASE}/json/goes/primary/xray-flares-7-day.json', TTL_REALTIME)
+
+
+def _fetch_flare_probability() -> Any | None:
+    return _fetch_cached_json('flare_prob', f'{SWPC_BASE}/json/solar_probabilities.json', TTL_FORECAST)
+
+
+def _fetch_solar_regions() -> Any | None:
+    return _fetch_cached_json('solar_regions', f'{SWPC_BASE}/json/solar_regions.json', TTL_DAILY)
+
+
+def _fetch_sunspot_report() -> Any | None:
+    return _fetch_cached_json('sunspot_report', f'{SWPC_BASE}/json/sunspot_report.json', TTL_DAILY)
+
+
+def _parse_hamqsl_xml(xml_text: str) -> dict[str, Any] | None:
+    """Parse HamQSL solar XML into a dict of band conditions."""
+    try:
+        root = ET.fromstring(xml_text)
+        solar = root.find('.//solardata')
+        if solar is None:
+            return None
+        result: dict[str, Any] = {}
+        # Scalar fields
+        for tag in ('sfi', 'aindex', 'kindex', 'kindexnt', 'xray', 'sunspots',
+                     'heliumline', 'protonflux', 'electonflux', 'aurora',
+                     'normalization', 'latdegree', 'solarwind', 'magneticfield',
+                     'calculatedconditions', 'calculatedvhfconditions',
+                     'geomagfield', 'signalnoise', 'fof2', 'muffactor', 'muf'):
+            el = solar.find(tag)
+            if el is not None and el.text:
+                result[tag] = el.text.strip()
+        # Band conditions
+        bands: list[dict[str, str]] = []
+        for band_el in solar.findall('.//calculatedconditions/band'):
+            bands.append({
+                'name': band_el.get('name', ''),
+                'time': band_el.get('time', ''),
+                'condition': band_el.text.strip() if band_el.text else ''
+            })
+        result['bands'] = bands
+        # VHF conditions
+        vhf: list[dict[str, str]] = []
+        for phen_el in solar.findall('.//calculatedvhfconditions/phenomenon'):
+            vhf.append({
+                'name': phen_el.get('name', ''),
+                'location': phen_el.get('location', ''),
+                'condition': phen_el.text.strip() if phen_el.text else ''
+            })
+        result['vhf'] = vhf
+        return result
+    except ET.ParseError as exc:
+        logger.warning('Failed to parse HamQSL XML: %s', exc)
+        return None
+
+
+def _fetch_band_conditions() -> dict[str, Any] | None:
+    cached = _cache_get('band_conditions')
+    if cached is not None:
+        return cached
+    xml_text = _fetch_text('https://www.hamqsl.com/solarxml.php')
+    if xml_text is None:
+        return None
+    data = _parse_hamqsl_xml(xml_text)
+    if data is not None:
+        _cache_set('band_conditions', data, TTL_FORECAST)
+    return data
+
+
+# ---------------------------------------------------------------------------
+# Image proxy whitelist
+# ---------------------------------------------------------------------------
+
+IMAGE_WHITELIST: dict[str, dict[str, str]] = {
+    # D-RAP absorption maps
+    'drap_global': {
+        'url': f'{SWPC_BASE}/images/animations/d-rap/global/latest.png',
+        'content_type': 'image/png',
+    },
+    'drap_5': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f05.png',
+        'content_type': 'image/png',
+    },
+    'drap_10': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f10.png',
+        'content_type': 'image/png',
+    },
+    'drap_15': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f15.png',
+        'content_type': 'image/png',
+    },
+    'drap_20': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f20.png',
+        'content_type': 'image/png',
+    },
+    'drap_25': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f25.png',
+        'content_type': 'image/png',
+    },
+    'drap_30': {
+        'url': f'{SWPC_BASE}/images/d-rap/global_f30.png',
+        'content_type': 'image/png',
+    },
+    # Aurora forecast
+    'aurora_north': {
+        'url': f'{SWPC_BASE}/images/animations/ovation/north/latest.jpg',
+        'content_type': 'image/jpeg',
+    },
+    # SDO solar imagery
+    'sdo_193': {
+        'url': 'https://sdo.gsfc.nasa.gov/assets/img/latest/latest_512_0193.jpg',
+        'content_type': 'image/jpeg',
+    },
+    'sdo_304': {
+        'url': 'https://sdo.gsfc.nasa.gov/assets/img/latest/latest_512_0304.jpg',
+        'content_type': 'image/jpeg',
+    },
+    'sdo_magnetogram': {
+        'url': 'https://sdo.gsfc.nasa.gov/assets/img/latest/latest_512_HMIBC.jpg',
+        'content_type': 'image/jpeg',
+    },
+}
+
+
+# ---------------------------------------------------------------------------
+# Routes
+# ---------------------------------------------------------------------------
+
+@space_weather_bp.route('/data')
+def get_data():
+    """Return aggregated space weather data from all sources."""
+    data = {
+        'kp_index': _fetch_kp_index(),
+        'kp_forecast': _fetch_kp_forecast(),
+        'scales': _fetch_scales(),
+        'flux': _fetch_flux(),
+        'alerts': _fetch_alerts(),
+        'solar_wind_plasma': _fetch_solar_wind_plasma(),
+        'solar_wind_mag': _fetch_solar_wind_mag(),
+        'xrays': _fetch_xrays(),
+        'xray_flares': _fetch_xray_flares(),
+        'flare_probability': _fetch_flare_probability(),
+        'solar_regions': _fetch_solar_regions(),
+        'sunspot_report': _fetch_sunspot_report(),
+        'band_conditions': _fetch_band_conditions(),
+        'timestamp': time.time(),
+    }
+    return jsonify(data)
+
+
+@space_weather_bp.route('/image/<key>')
+def get_image(key: str):
+    """Proxy and cache whitelisted space weather images."""
+    entry = IMAGE_WHITELIST.get(key)
+    if not entry:
+        return jsonify({'error': 'Unknown image key'}), 404
+
+    cache_key = f'img_{key}'
+    cached = _cache_get(cache_key)
+    if cached is not None:
+        return Response(cached, content_type=entry['content_type'],
+                        headers={'Cache-Control': 'public, max-age=300'})
+
+    img_data = _fetch_bytes(entry['url'])
+    if img_data is None:
+        return jsonify({'error': 'Failed to fetch image'}), 502
+
+    _cache_set(cache_key, img_data, TTL_IMAGE)
+    return Response(img_data, content_type=entry['content_type'],
+                    headers={'Cache-Control': 'public, max-age=300'})

routes/sstv.py

@@ -13,14 +13,14 @@ from typing import Generator
 
 from flask import Blueprint, jsonify, request, Response, send_file
 
+import app as app_module
 from utils.logging import get_logger
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.sstv import (
     get_sstv_decoder,
     is_sstv_available,
     ISS_SSTV_FREQ,
-    DecodeProgress,
-    DopplerInfo,
 )
 
 logger = get_logger('intercept.sstv')
@@ -30,15 +30,18 @@ sstv_bp = Blueprint('sstv', __name__, url_prefix='/sstv')
 # Queue for SSE progress streaming
 _sstv_queue: queue.Queue = queue.Queue(maxsize=100)
 
+# Track which device is being used
+sstv_active_device: int | None = None
 
-def _progress_callback(progress: DecodeProgress) -> None:
-    """Callback to queue progress updates for SSE stream."""
+
+def _progress_callback(data: dict) -> None:
+    """Callback to queue progress/scope updates for SSE stream."""
     try:
-        _sstv_queue.put_nowait(progress.to_dict())
+        _sstv_queue.put_nowait(data)
     except queue.Full:
         try:
             _sstv_queue.get_nowait()
-            _sstv_queue.put_nowait(progress.to_dict())
+            _sstv_queue.put_nowait(data)
         except queue.Empty:
             pass
 
@@ -94,7 +97,7 @@ def start_decoder():
     if not is_sstv_available():
         return jsonify({
             'status': 'error',
-            'message': 'SSTV decoder not available. Install slowrx: apt install slowrx'
+            'message': 'SSTV decoder not available. Install numpy and Pillow: pip install numpy Pillow'
         }), 400
 
     decoder = get_sstv_decoder()
@@ -158,6 +161,17 @@ def start_decoder():
         latitude = None
         longitude = None
 
+    # Claim SDR device
+    global sstv_active_device
+    device_int = int(device_index)
+    error = app_module.claim_sdr_device(device_int, 'sstv')
+    if error:
+        return jsonify({
+            'status': 'error',
+            'error_type': 'DEVICE_BUSY',
+            'message': error
+        }), 409
+
     # Set callback and start
     decoder.set_callback(_progress_callback)
     success = decoder.start(
@@ -168,6 +182,8 @@ def start_decoder():
     )
 
     if success:
+        sstv_active_device = device_int
+
         result = {
             'status': 'started',
             'frequency': frequency,
@@ -181,6 +197,8 @@ def start_decoder():
 
         return jsonify(result)
     else:
+        # Release device on failure
+        app_module.release_sdr_device(device_int)
         return jsonify({
             'status': 'error',
             'message': 'Failed to start decoder'
@@ -195,8 +213,15 @@ def stop_decoder():
     Returns:
         JSON confirmation.
     """
+    global sstv_active_device
     decoder = get_sstv_decoder()
     decoder.stop()
+
+    # Release device from registry
+    if sstv_active_device is not None:
+        app_module.release_sdr_device(sstv_active_device)
+        sstv_active_device = None
+
     return jsonify({'status': 'stopped'})
 
 
@@ -287,6 +312,73 @@ def get_image(filename: str):
     return send_file(image_path, mimetype='image/png')
 
 
+@sstv_bp.route('/images/<filename>/download')
+def download_image(filename: str):
+    """
+    Download a decoded SSTV image file.
+
+    Args:
+        filename: Image filename
+
+    Returns:
+        Image file as attachment or 404.
+    """
+    decoder = get_sstv_decoder()
+
+    # Security: only allow alphanumeric filenames with .png extension
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if not filename.endswith('.png'):
+        return jsonify({'status': 'error', 'message': 'Only PNG files supported'}), 400
+
+    image_path = decoder._output_dir / filename
+
+    if not image_path.exists():
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+    return send_file(image_path, mimetype='image/png', as_attachment=True, download_name=filename)
+
+
+@sstv_bp.route('/images/<filename>', methods=['DELETE'])
+def delete_image(filename: str):
+    """
+    Delete a decoded SSTV image.
+
+    Args:
+        filename: Image filename
+
+    Returns:
+        JSON confirmation.
+    """
+    decoder = get_sstv_decoder()
+
+    # Security: only allow alphanumeric filenames with .png extension
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if not filename.endswith('.png'):
+        return jsonify({'status': 'error', 'message': 'Only PNG files supported'}), 400
+
+    if decoder.delete_image(filename):
+        return jsonify({'status': 'ok'})
+    else:
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+
+@sstv_bp.route('/images', methods=['DELETE'])
+def delete_all_images():
+    """
+    Delete all decoded SSTV images.
+
+    Returns:
+        JSON with count of deleted images.
+    """
+    decoder = get_sstv_decoder()
+    count = decoder.delete_all_images()
+    return jsonify({'status': 'ok', 'deleted': count})
+
+
 @sstv_bp.route('/stream')
 def stream_progress():
     """
@@ -308,6 +400,10 @@ def stream_progress():
             try:
                 progress = _sstv_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('sstv', progress, progress.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(progress)
             except queue.Empty:
                 now = time.time()

routes/sstv_general.py

@@ -15,8 +15,8 @@ from flask import Blueprint, Response, jsonify, request, send_file
 
 from utils.logging import get_logger
 from utils.sse import format_sse
+from utils.event_pipeline import process_event
 from utils.sstv import (
-    DecodeProgress,
     get_general_sstv_decoder,
 )
 
@@ -48,14 +48,14 @@ SSTV_FREQUENCIES = [
 _FREQ_MODULATION_MAP = {entry['frequency']: entry['modulation'] for entry in SSTV_FREQUENCIES}
 
 
-def _progress_callback(progress: DecodeProgress) -> None:
-    """Callback to queue progress updates for SSE stream."""
+def _progress_callback(data: dict) -> None:
+    """Callback to queue progress/scope updates for SSE stream."""
     try:
-        _sstv_general_queue.put_nowait(progress.to_dict())
+        _sstv_general_queue.put_nowait(data)
     except queue.Full:
         try:
             _sstv_general_queue.get_nowait()
-            _sstv_general_queue.put_nowait(progress.to_dict())
+            _sstv_general_queue.put_nowait(data)
         except queue.Empty:
             pass
 
@@ -99,7 +99,7 @@ def start_decoder():
     if decoder.decoder_available is None:
         return jsonify({
             'status': 'error',
-            'message': 'SSTV decoder not available. Install slowrx: apt install slowrx',
+            'message': 'SSTV decoder not available. Install numpy and Pillow: pip install numpy Pillow',
         }), 400
 
     if decoder.is_running:
@@ -217,6 +217,52 @@ def get_image(filename: str):
     return send_file(image_path, mimetype='image/png')
 
 
+@sstv_general_bp.route('/images/<filename>/download')
+def download_image(filename: str):
+    """Download a decoded SSTV image file."""
+    decoder = get_general_sstv_decoder()
+
+    # Security: only allow alphanumeric filenames with .png extension
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if not filename.endswith('.png'):
+        return jsonify({'status': 'error', 'message': 'Only PNG files supported'}), 400
+
+    image_path = decoder._output_dir / filename
+
+    if not image_path.exists():
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+    return send_file(image_path, mimetype='image/png', as_attachment=True, download_name=filename)
+
+
+@sstv_general_bp.route('/images/<filename>', methods=['DELETE'])
+def delete_image(filename: str):
+    """Delete a decoded SSTV image."""
+    decoder = get_general_sstv_decoder()
+
+    # Security: only allow alphanumeric filenames with .png extension
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if not filename.endswith('.png'):
+        return jsonify({'status': 'error', 'message': 'Only PNG files supported'}), 400
+
+    if decoder.delete_image(filename):
+        return jsonify({'status': 'ok'})
+    else:
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+
+@sstv_general_bp.route('/images', methods=['DELETE'])
+def delete_all_images():
+    """Delete all decoded SSTV images."""
+    decoder = get_general_sstv_decoder()
+    count = decoder.delete_all_images()
+    return jsonify({'status': 'ok', 'deleted': count})
+
+
 @sstv_general_bp.route('/stream')
 def stream_progress():
     """SSE stream of SSTV decode progress."""
@@ -228,6 +274,10 @@ def stream_progress():
             try:
                 progress = _sstv_general_queue.get(timeout=1)
                 last_keepalive = time.time()
+                try:
+                    process_event('sstv_general', progress, progress.get('type'))
+                except Exception:
+                    pass
                 yield format_sse(progress)
             except queue.Empty:
                 now = time.time()

routes/subghz.py

@@ -0,0 +1,424 @@
+"""SubGHz transceiver routes.
+
+Provides endpoints for HackRF-based SubGHz signal capture, protocol decoding,
+signal replay/transmit, and wideband spectrum analysis.
+"""
+
+from __future__ import annotations
+
+import queue
+
+from flask import Blueprint, jsonify, request, Response, send_file
+
+from utils.logging import get_logger
+from utils.sse import sse_stream
+from utils.subghz import get_subghz_manager
+from utils.constants import (
+    SUBGHZ_FREQ_MIN_MHZ,
+    SUBGHZ_FREQ_MAX_MHZ,
+    SUBGHZ_LNA_GAIN_MAX,
+    SUBGHZ_VGA_GAIN_MAX,
+    SUBGHZ_TX_VGA_GAIN_MAX,
+    SUBGHZ_TX_MAX_DURATION,
+    SUBGHZ_SAMPLE_RATES,
+    SUBGHZ_PRESETS,
+)
+
+logger = get_logger('intercept.subghz')
+
+subghz_bp = Blueprint('subghz', __name__, url_prefix='/subghz')
+
+# SSE queue for streaming events to frontend
+_subghz_queue: queue.Queue = queue.Queue(maxsize=200)
+
+
+def _event_callback(event: dict) -> None:
+    """Forward SubGhzManager events to the SSE queue."""
+    try:
+        _subghz_queue.put_nowait(event)
+    except queue.Full:
+        try:
+            _subghz_queue.get_nowait()
+            _subghz_queue.put_nowait(event)
+        except queue.Empty:
+            pass
+
+
+def _validate_frequency_hz(data: dict, key: str = 'frequency_hz') -> tuple[int | None, str | None]:
+    """Validate frequency in Hz from request data. Returns (freq_hz, error_msg)."""
+    raw = data.get(key)
+    if raw is None:
+        return None, f'{key} is required'
+    try:
+        freq_hz = int(raw)
+        freq_mhz = freq_hz / 1_000_000
+        if not (SUBGHZ_FREQ_MIN_MHZ <= freq_mhz <= SUBGHZ_FREQ_MAX_MHZ):
+            return None, f'Frequency must be between {SUBGHZ_FREQ_MIN_MHZ}-{SUBGHZ_FREQ_MAX_MHZ} MHz'
+        return freq_hz, None
+    except (ValueError, TypeError):
+        return None, f'Invalid {key}'
+
+
+def _validate_serial(data: dict) -> str | None:
+    """Extract and validate optional HackRF device serial."""
+    serial = data.get('device_serial', '')
+    if not serial or not isinstance(serial, str):
+        return None
+    # HackRF serials are hex strings
+    serial = serial.strip()
+    if serial and all(c in '0123456789abcdefABCDEF' for c in serial):
+        return serial
+    return None
+
+
+def _validate_int(data: dict, key: str, default: int, min_val: int, max_val: int) -> int:
+    """Validate integer parameter with bounds clamping."""
+    try:
+        val = int(data.get(key, default))
+        return max(min_val, min(max_val, val))
+    except (ValueError, TypeError):
+        return default
+
+
+def _validate_decode_profile(data: dict, default: str = 'weather') -> str:
+    profile = data.get('decode_profile', default)
+    if not isinstance(profile, str):
+        return default
+    profile = profile.strip().lower()
+    if profile in {'weather', 'all'}:
+        return profile
+    return default
+
+
+def _validate_optional_float(data: dict, key: str) -> tuple[float | None, str | None]:
+    raw = data.get(key)
+    if raw is None or raw == '':
+        return None, None
+    try:
+        return float(raw), None
+    except (ValueError, TypeError):
+        return None, f'Invalid {key}'
+
+
+def _validate_bool(data: dict, key: str, default: bool = False) -> bool:
+    raw = data.get(key, default)
+    if isinstance(raw, bool):
+        return raw
+    if isinstance(raw, (int, float)):
+        return bool(raw)
+    if isinstance(raw, str):
+        return raw.strip().lower() in {'1', 'true', 'yes', 'on', 'enabled'}
+    return default
+
+
+# ------------------------------------------------------------------
+# STATUS
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/status')
+def get_status():
+    manager = get_subghz_manager()
+    return jsonify(manager.get_status())
+
+
+@subghz_bp.route('/presets')
+def get_presets():
+    return jsonify({'presets': SUBGHZ_PRESETS, 'sample_rates': SUBGHZ_SAMPLE_RATES})
+
+
+# ------------------------------------------------------------------
+# RECEIVE
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/receive/start', methods=['POST'])
+def start_receive():
+    data = request.get_json(silent=True) or {}
+
+    freq_hz, err = _validate_frequency_hz(data)
+    if err:
+        return jsonify({'status': 'error', 'message': err}), 400
+
+    sample_rate = _validate_int(data, 'sample_rate', 2000000, 2000000, 20000000)
+    lna_gain = _validate_int(data, 'lna_gain', 32, 0, SUBGHZ_LNA_GAIN_MAX)
+    vga_gain = _validate_int(data, 'vga_gain', 20, 0, SUBGHZ_VGA_GAIN_MAX)
+    trigger_enabled = _validate_bool(data, 'trigger_enabled', False)
+    trigger_pre_ms = _validate_int(data, 'trigger_pre_ms', 350, 50, 5000)
+    trigger_post_ms = _validate_int(data, 'trigger_post_ms', 700, 100, 10000)
+    device_serial = _validate_serial(data)
+
+    manager = get_subghz_manager()
+    manager.set_callback(_event_callback)
+
+    result = manager.start_receive(
+        frequency_hz=freq_hz,
+        sample_rate=sample_rate,
+        lna_gain=lna_gain,
+        vga_gain=vga_gain,
+        trigger_enabled=trigger_enabled,
+        trigger_pre_ms=trigger_pre_ms,
+        trigger_post_ms=trigger_post_ms,
+        device_serial=device_serial,
+    )
+
+    status_code = 200 if result.get('status') != 'error' else 409
+    return jsonify(result), status_code
+
+
+@subghz_bp.route('/receive/stop', methods=['POST'])
+def stop_receive():
+    manager = get_subghz_manager()
+    result = manager.stop_receive()
+    return jsonify(result)
+
+
+# ------------------------------------------------------------------
+# DECODE
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/decode/start', methods=['POST'])
+def start_decode():
+    data = request.get_json(silent=True) or {}
+
+    freq_hz, err = _validate_frequency_hz(data)
+    if err:
+        return jsonify({'status': 'error', 'message': err}), 400
+
+    sample_rate = _validate_int(data, 'sample_rate', 2000000, 2000000, 20000000)
+    lna_gain = _validate_int(data, 'lna_gain', 32, 0, SUBGHZ_LNA_GAIN_MAX)
+    vga_gain = _validate_int(data, 'vga_gain', 20, 0, SUBGHZ_VGA_GAIN_MAX)
+    decode_profile = _validate_decode_profile(data)
+    device_serial = _validate_serial(data)
+
+    manager = get_subghz_manager()
+    manager.set_callback(_event_callback)
+
+    result = manager.start_decode(
+        frequency_hz=freq_hz,
+        sample_rate=sample_rate,
+        lna_gain=lna_gain,
+        vga_gain=vga_gain,
+        decode_profile=decode_profile,
+        device_serial=device_serial,
+    )
+
+    status_code = 200 if result.get('status') != 'error' else 409
+    return jsonify(result), status_code
+
+
+@subghz_bp.route('/decode/stop', methods=['POST'])
+def stop_decode():
+    manager = get_subghz_manager()
+    result = manager.stop_decode()
+    return jsonify(result)
+
+
+# ------------------------------------------------------------------
+# TRANSMIT
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/transmit', methods=['POST'])
+def start_transmit():
+    data = request.get_json(silent=True) or {}
+
+    capture_id = data.get('capture_id')
+    if not capture_id or not isinstance(capture_id, str):
+        return jsonify({'status': 'error', 'message': 'capture_id is required'}), 400
+
+    # Sanitize capture_id
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    tx_gain = _validate_int(data, 'tx_gain', 20, 0, SUBGHZ_TX_VGA_GAIN_MAX)
+    max_duration = _validate_int(data, 'max_duration', 10, 1, SUBGHZ_TX_MAX_DURATION)
+    start_seconds, start_err = _validate_optional_float(data, 'start_seconds')
+    if start_err:
+        return jsonify({'status': 'error', 'message': start_err}), 400
+    duration_seconds, duration_err = _validate_optional_float(data, 'duration_seconds')
+    if duration_err:
+        return jsonify({'status': 'error', 'message': duration_err}), 400
+    device_serial = _validate_serial(data)
+
+    manager = get_subghz_manager()
+    manager.set_callback(_event_callback)
+
+    result = manager.transmit(
+        capture_id=capture_id,
+        tx_gain=tx_gain,
+        max_duration=max_duration,
+        start_seconds=start_seconds,
+        duration_seconds=duration_seconds,
+        device_serial=device_serial,
+    )
+
+    status_code = 200 if result.get('status') != 'error' else 400
+    return jsonify(result), status_code
+
+
+@subghz_bp.route('/transmit/stop', methods=['POST'])
+def stop_transmit():
+    manager = get_subghz_manager()
+    result = manager.stop_transmit()
+    return jsonify(result)
+
+
+# ------------------------------------------------------------------
+# SWEEP
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/sweep/start', methods=['POST'])
+def start_sweep():
+    data = request.get_json(silent=True) or {}
+
+    try:
+        freq_start = float(data.get('freq_start_mhz', 300))
+        freq_end = float(data.get('freq_end_mhz', 928))
+        if freq_start >= freq_end:
+            return jsonify({'status': 'error', 'message': 'freq_start must be less than freq_end'}), 400
+        if freq_start < SUBGHZ_FREQ_MIN_MHZ or freq_end > SUBGHZ_FREQ_MAX_MHZ:
+            return jsonify({'status': 'error', 'message': f'Frequency range: {SUBGHZ_FREQ_MIN_MHZ}-{SUBGHZ_FREQ_MAX_MHZ} MHz'}), 400
+    except (ValueError, TypeError):
+        return jsonify({'status': 'error', 'message': 'Invalid frequency range'}), 400
+
+    bin_width = _validate_int(data, 'bin_width', 100000, 10000, 5000000)
+    device_serial = _validate_serial(data)
+
+    manager = get_subghz_manager()
+    manager.set_callback(_event_callback)
+
+    result = manager.start_sweep(
+        freq_start_mhz=freq_start,
+        freq_end_mhz=freq_end,
+        bin_width=bin_width,
+        device_serial=device_serial,
+    )
+
+    status_code = 200 if result.get('status') != 'error' else 409
+    return jsonify(result), status_code
+
+
+@subghz_bp.route('/sweep/stop', methods=['POST'])
+def stop_sweep():
+    manager = get_subghz_manager()
+    result = manager.stop_sweep()
+    return jsonify(result)
+
+
+# ------------------------------------------------------------------
+# CAPTURES LIBRARY
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/captures')
+def list_captures():
+    manager = get_subghz_manager()
+    captures = manager.list_captures()
+    return jsonify({
+        'status': 'ok',
+        'captures': [c.to_dict() for c in captures],
+        'count': len(captures),
+    })
+
+
+@subghz_bp.route('/captures/<capture_id>')
+def get_capture(capture_id: str):
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    manager = get_subghz_manager()
+    capture = manager.get_capture(capture_id)
+    if not capture:
+        return jsonify({'status': 'error', 'message': 'Capture not found'}), 404
+
+    return jsonify({'status': 'ok', 'capture': capture.to_dict()})
+
+
+@subghz_bp.route('/captures/<capture_id>/download')
+def download_capture(capture_id: str):
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    manager = get_subghz_manager()
+    path = manager.get_capture_path(capture_id)
+    if not path:
+        return jsonify({'status': 'error', 'message': 'Capture not found'}), 404
+
+    return send_file(
+        path,
+        mimetype='application/octet-stream',
+        as_attachment=True,
+        download_name=path.name,
+    )
+
+
+@subghz_bp.route('/captures/<capture_id>/trim', methods=['POST'])
+def trim_capture(capture_id: str):
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    data = request.get_json(silent=True) or {}
+    start_seconds, start_err = _validate_optional_float(data, 'start_seconds')
+    if start_err:
+        return jsonify({'status': 'error', 'message': start_err}), 400
+    duration_seconds, duration_err = _validate_optional_float(data, 'duration_seconds')
+    if duration_err:
+        return jsonify({'status': 'error', 'message': duration_err}), 400
+
+    label = data.get('label', '')
+    if label is None:
+        label = ''
+    if not isinstance(label, str) or len(label) > 100:
+        return jsonify({'status': 'error', 'message': 'Label must be a string (max 100 chars)'}), 400
+
+    manager = get_subghz_manager()
+    result = manager.trim_capture(
+        capture_id=capture_id,
+        start_seconds=start_seconds,
+        duration_seconds=duration_seconds,
+        label=label,
+    )
+
+    if result.get('status') == 'ok':
+        return jsonify(result), 200
+    message = str(result.get('message') or 'Trim failed')
+    status_code = 404 if 'not found' in message.lower() else 400
+    return jsonify(result), status_code
+
+
+@subghz_bp.route('/captures/<capture_id>', methods=['DELETE'])
+def delete_capture(capture_id: str):
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    manager = get_subghz_manager()
+    if manager.delete_capture(capture_id):
+        return jsonify({'status': 'deleted', 'id': capture_id})
+    return jsonify({'status': 'error', 'message': 'Capture not found'}), 404
+
+
+@subghz_bp.route('/captures/<capture_id>', methods=['PATCH'])
+def update_capture(capture_id: str):
+    if not capture_id.isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid capture_id'}), 400
+
+    data = request.get_json(silent=True) or {}
+    label = data.get('label', '')
+
+    if not isinstance(label, str) or len(label) > 100:
+        return jsonify({'status': 'error', 'message': 'Label must be a string (max 100 chars)'}), 400
+
+    manager = get_subghz_manager()
+    if manager.update_capture_label(capture_id, label):
+        return jsonify({'status': 'updated', 'id': capture_id, 'label': label})
+    return jsonify({'status': 'error', 'message': 'Capture not found'}), 404
+
+
+# ------------------------------------------------------------------
+# SSE STREAM
+# ------------------------------------------------------------------
+
+@subghz_bp.route('/stream')
+def stream():
+    response = Response(sse_stream(_subghz_queue), mimetype='text/event-stream')
+    response.headers['Cache-Control'] = 'no-cache'
+    response.headers['X-Accel-Buffering'] = 'no'
+    response.headers['Connection'] = 'keep-alive'
+    return response

routes/tscm.py

@@ -60,6 +60,7 @@ from utils.tscm.device_identity import (
     ingest_ble_dict,
     ingest_wifi_dict,
 )
+from utils.event_pipeline import process_event
 
 # Import unified Bluetooth scanner helper for TSCM integration
 try:
@@ -550,6 +551,12 @@ def _start_sweep_internal(
     }
 
 
+@tscm_bp.route('/status')
+def tscm_status():
+    """Check if any TSCM operation is currently running."""
+    return jsonify({'running': _sweep_running})
+
+
 @tscm_bp.route('/sweep/start', methods=['POST'])
 def start_sweep():
     """Start a TSCM sweep."""
@@ -627,6 +634,10 @@ def sweep_stream():
             try:
                 if tscm_queue:
                     msg = tscm_queue.get(timeout=1)
+                    try:
+                        process_event('tscm', msg, msg.get('type'))
+                    except Exception:
+                        pass
                     yield f"data: {json.dumps(msg)}\n\n"
                 else:
                     time.sleep(1)
@@ -1072,6 +1083,32 @@ def _scan_wifi_networks(interface: str) -> list[dict]:
         return []
 
 
+def _scan_wifi_clients(interface: str) -> list[dict]:
+    """
+    Get WiFi client observations from the unified WiFi scanner.
+
+    Clients are only available when monitor-mode scanning is active.
+    """
+    try:
+        from utils.wifi import get_wifi_scanner
+
+        scanner = get_wifi_scanner()
+        if interface:
+            try:
+                if not scanner._is_monitor_mode_interface(interface):
+                    return []
+            except Exception:
+                return []
+
+        return [client.to_dict() for client in scanner.clients]
+    except ImportError as e:
+        logger.error(f"Failed to import wifi scanner: {e}")
+        return []
+    except Exception as e:
+        logger.exception(f"WiFi client scan failed: {e}")
+        return []
+
+
 def _scan_bluetooth_devices(interface: str, duration: int = 10) -> list[dict]:
     """
     Scan for Bluetooth devices with manufacturer data detection.
@@ -1606,6 +1643,7 @@ def _run_sweep(
         threats_found = 0
         severity_counts = {'critical': 0, 'high': 0, 'medium': 0, 'low': 0}
         all_wifi = {}  # Use dict for deduplication by BSSID
+        all_wifi_clients = {}  # Use dict for deduplication by client MAC
         all_bt = {}    # Use dict for deduplication by MAC
         all_rf = []
 
@@ -1702,6 +1740,7 @@ def _run_sweep(
                                     'channel': network.get('channel', ''),
                                     'signal': network.get('power', ''),
                                     'security': network.get('privacy', ''),
+                                    'vendor': network.get('vendor'),
                                     'is_threat': is_threat,
                                     'is_new': not classification.get('in_baseline', False),
                                     'classification': profile.risk_level.value,
@@ -1715,6 +1754,77 @@ def _run_sweep(
                                 })
                         except Exception as e:
                             logger.error(f"WiFi device processing error for {network.get('bssid', '?')}: {e}")
+
+                    # WiFi clients (monitor mode only)
+                    try:
+                        wifi_clients = _scan_wifi_clients(wifi_interface)
+                        for client in wifi_clients:
+                            mac = (client.get('mac') or '').upper()
+                            if not mac or mac in all_wifi_clients:
+                                continue
+                            all_wifi_clients[mac] = client
+
+                            rssi_val = client.get('rssi_current')
+                            if rssi_val is None:
+                                rssi_val = client.get('rssi_median') or client.get('rssi_ema')
+
+                            client_device = {
+                                'mac': mac,
+                                'vendor': client.get('vendor'),
+                                'name': client.get('vendor') or 'WiFi Client',
+                                'rssi': rssi_val,
+                                'associated_bssid': client.get('associated_bssid'),
+                                'probed_ssids': client.get('probed_ssids', []),
+                                'probe_count': client.get('probe_count', len(client.get('probed_ssids', []))),
+                                'is_client': True,
+                            }
+
+                            try:
+                                timeline_manager.add_observation(
+                                    identifier=mac,
+                                    protocol='wifi',
+                                    rssi=rssi_val,
+                                    name=client_device.get('vendor') or f'WiFi Client {mac[-5:]}',
+                                    attributes={'client': True, 'associated_bssid': client_device.get('associated_bssid')}
+                                )
+                            except Exception as e:
+                                logger.debug(f"WiFi client timeline observation error: {e}")
+                            _maybe_store_timeline(
+                                identifier=mac,
+                                protocol='wifi',
+                                rssi=rssi_val,
+                                attributes={'client': True, 'associated_bssid': client_device.get('associated_bssid')}
+                            )
+
+                            profile = correlation.analyze_wifi_device(client_device)
+                            client_device['classification'] = profile.risk_level.value
+                            client_device['score'] = profile.total_score
+                            client_device['score_modifier'] = profile.score_modifier
+                            client_device['known_device'] = profile.known_device
+                            client_device['known_device_name'] = profile.known_device_name
+                            client_device['indicators'] = [
+                                {'type': i.type.value, 'desc': i.description}
+                                for i in profile.indicators
+                            ]
+                            client_device['recommended_action'] = profile.recommended_action
+
+                            # Feed to identity engine for MAC-randomization resistant clustering
+                            try:
+                                wifi_obs = {
+                                    'timestamp': datetime.now().isoformat(),
+                                    'src_mac': mac,
+                                    'bssid': client_device.get('associated_bssid'),
+                                    'rssi': rssi_val,
+                                    'frame_type': 'probe_request',
+                                    'probed_ssids': client_device.get('probed_ssids', []),
+                                }
+                                ingest_wifi_dict(wifi_obs)
+                            except Exception as e:
+                                logger.debug(f"Identity engine WiFi client ingest error: {e}")
+
+                            _emit_event('wifi_client', client_device)
+                    except Exception as e:
+                        logger.debug(f"WiFi client scan error: {e}")
                 except Exception as e:
                     last_wifi_scan = current_time
                     logger.error(f"WiFi scan error: {e}")
@@ -1793,6 +1903,9 @@ def _run_sweep(
                                     'name': device.get('name', 'Unknown'),
                                     'device_type': device.get('type', ''),
                                     'rssi': device.get('rssi', ''),
+                                    'manufacturer': device.get('manufacturer'),
+                                    'tracker': device.get('tracker'),
+                                    'tracker_type': device.get('tracker_type'),
                                     'is_threat': is_threat,
                                     'is_new': not classification.get('in_baseline', False),
                                     'classification': profile.risk_level.value,
@@ -1921,6 +2034,7 @@ def _run_sweep(
                 comparator = BaselineComparator(baseline)
                 baseline_comparison = comparator.compare_all(
                     wifi_devices=list(all_wifi.values()),
+                    wifi_clients=list(all_wifi_clients.values()),
                     bt_devices=list(all_bt.values()),
                     rf_signals=all_rf
                 )
@@ -1936,6 +2050,7 @@ def _run_sweep(
 
             if verbose_results:
                 wifi_payload = list(all_wifi.values())
+                wifi_client_payload = list(all_wifi_clients.values())
                 bt_payload = list(all_bt.values())
                 rf_payload = list(all_rf)
             else:
@@ -1951,6 +2066,28 @@ def _run_sweep(
                     }
                     for d in all_wifi.values()
                 ]
+                wifi_client_payload = []
+                for client in all_wifi_clients.values():
+                    mac = client.get('mac') or client.get('address')
+                    if isinstance(mac, str):
+                        mac = mac.upper()
+                    probed_ssids = client.get('probed_ssids') or []
+                    rssi = client.get('rssi')
+                    if rssi is None:
+                        rssi = client.get('rssi_current')
+                    if rssi is None:
+                        rssi = client.get('rssi_median')
+                    if rssi is None:
+                        rssi = client.get('rssi_ema')
+                    wifi_client_payload.append({
+                        'mac': mac,
+                        'vendor': client.get('vendor'),
+                        'rssi': rssi,
+                        'associated_bssid': client.get('associated_bssid'),
+                        'is_associated': client.get('is_associated'),
+                        'probed_ssids': probed_ssids,
+                        'probe_count': client.get('probe_count', len(probed_ssids)),
+                    })
                 bt_payload = [
                     {
                         'mac': d.get('mac') or d.get('address'),
@@ -1975,9 +2112,11 @@ def _run_sweep(
                 status='completed',
                 results={
                     'wifi_devices': wifi_payload,
+                    'wifi_clients': wifi_client_payload,
                     'bt_devices': bt_payload,
                     'rf_signals': rf_payload,
                     'wifi_count': len(all_wifi),
+                    'wifi_client_count': len(all_wifi_clients),
                     'bt_count': len(all_bt),
                     'rf_count': len(all_rf),
                     'severity_counts': severity_counts,
@@ -2005,6 +2144,7 @@ def _run_sweep(
                     'total_new': baseline_comparison['total_new'],
                     'total_missing': baseline_comparison['total_missing'],
                     'wifi': baseline_comparison.get('wifi'),
+                    'wifi_clients': baseline_comparison.get('wifi_clients'),
                     'bluetooth': baseline_comparison.get('bluetooth'),
                     'rf': baseline_comparison.get('rf'),
                 })
@@ -2022,6 +2162,7 @@ def _run_sweep(
                 'sweep_id': _current_sweep_id,
                 'threats_found': threats_found,
                 'wifi_count': len(all_wifi),
+                'wifi_client_count': len(all_wifi_clients),
                 'bt_count': len(all_bt),
                 'rf_count': len(all_rf),
                 'severity_counts': severity_counts,
@@ -2169,6 +2310,7 @@ def compare_against_baseline():
 
     Expects JSON body with:
     - wifi_devices: list of WiFi devices (optional)
+    - wifi_clients: list of WiFi clients (optional)
     - bt_devices: list of Bluetooth devices (optional)
     - rf_signals: list of RF signals (optional)
 
@@ -2177,12 +2319,14 @@ def compare_against_baseline():
     data = request.get_json() or {}
 
     wifi_devices = data.get('wifi_devices')
+    wifi_clients = data.get('wifi_clients')
     bt_devices = data.get('bt_devices')
     rf_signals = data.get('rf_signals')
 
     # Use the convenience function that gets active baseline
     comparison = get_comparison_for_active_baseline(
         wifi_devices=wifi_devices,
+        wifi_clients=wifi_clients,
         bt_devices=bt_devices,
         rf_signals=rf_signals
     )
@@ -2276,7 +2420,10 @@ def feed_wifi():
     """Feed WiFi device data for baseline recording."""
     data = request.get_json()
     if data:
-        _baseline_recorder.add_wifi_device(data)
+        if data.get('is_client'):
+            _baseline_recorder.add_wifi_client(data)
+        else:
+            _baseline_recorder.add_wifi_device(data)
     return jsonify({'status': 'success'})
 
 
@@ -2928,12 +3075,14 @@ def get_baseline_diff(baseline_id: int, sweep_id: int):
             results = json.loads(results)
 
         current_wifi = results.get('wifi_devices', [])
+        current_wifi_clients = results.get('wifi_clients', [])
         current_bt = results.get('bt_devices', [])
         current_rf = results.get('rf_signals', [])
 
         diff = calculate_baseline_diff(
             baseline=baseline,
             current_wifi=current_wifi,
+            current_wifi_clients=current_wifi_clients,
             current_bt=current_bt,
             current_rf=current_rf,
             sweep_id=sweep_id

routes/vdl2.py

@@ -0,0 +1,364 @@
+"""VDL2 aircraft datalink routes."""
+
+from __future__ import annotations
+
+import json
+import queue
+import shutil
+import subprocess
+import threading
+import time
+from datetime import datetime
+from typing import Generator
+
+from flask import Blueprint, jsonify, request, Response
+
+import app as app_module
+from utils.logging import sensor_logger as logger
+from utils.validation import validate_device_index, validate_gain, validate_ppm
+from utils.sdr import SDRFactory, SDRType
+from utils.sse import format_sse
+from utils.event_pipeline import process_event
+from utils.constants import (
+    PROCESS_TERMINATE_TIMEOUT,
+    SSE_KEEPALIVE_INTERVAL,
+    SSE_QUEUE_TIMEOUT,
+    PROCESS_START_WAIT,
+)
+from utils.process import register_process, unregister_process
+
+vdl2_bp = Blueprint('vdl2', __name__, url_prefix='/vdl2')
+
+# Default VDL2 frequencies (MHz) - common worldwide
+DEFAULT_VDL2_FREQUENCIES = [
+    '136975000',  # Primary worldwide
+    '136725000',  # Europe
+    '136775000',  # Europe
+    '136800000',  # Multi-region
+    '136875000',  # Multi-region
+]
+
+# Message counter for statistics
+vdl2_message_count = 0
+vdl2_last_message_time = None
+
+# Track which device is being used
+vdl2_active_device: int | None = None
+
+
+def find_dumpvdl2():
+    """Find dumpvdl2 binary."""
+    return shutil.which('dumpvdl2')
+
+
+def stream_vdl2_output(process: subprocess.Popen) -> None:
+    """Stream dumpvdl2 JSON output to queue."""
+    global vdl2_message_count, vdl2_last_message_time
+
+    try:
+        app_module.vdl2_queue.put({'type': 'status', 'status': 'started'})
+
+        for line in iter(process.stdout.readline, b''):
+            line = line.decode('utf-8', errors='replace').strip()
+            if not line:
+                continue
+
+            try:
+                data = json.loads(line)
+
+                # Add our metadata
+                data['type'] = 'vdl2'
+                data['timestamp'] = datetime.utcnow().isoformat() + 'Z'
+
+                # Update stats
+                vdl2_message_count += 1
+                vdl2_last_message_time = time.time()
+
+                app_module.vdl2_queue.put(data)
+
+                # Feed flight correlator
+                try:
+                    from utils.flight_correlator import get_flight_correlator
+                    get_flight_correlator().add_vdl2_message(data)
+                except Exception:
+                    pass
+
+                # Log if enabled
+                if app_module.logging_enabled:
+                    try:
+                        with open(app_module.log_file_path, 'a') as f:
+                            ts = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+                            f.write(f"{ts} | VDL2 | {json.dumps(data)}\n")
+                    except Exception:
+                        pass
+
+            except json.JSONDecodeError:
+                # Not JSON - could be status message
+                if line:
+                    logger.debug(f"dumpvdl2 non-JSON: {line[:100]}")
+
+    except Exception as e:
+        logger.error(f"VDL2 stream error: {e}")
+        app_module.vdl2_queue.put({'type': 'error', 'message': str(e)})
+    finally:
+        global vdl2_active_device
+        # Ensure process is terminated
+        try:
+            process.terminate()
+            process.wait(timeout=2)
+        except Exception:
+            try:
+                process.kill()
+            except Exception:
+                pass
+        unregister_process(process)
+        app_module.vdl2_queue.put({'type': 'status', 'status': 'stopped'})
+        with app_module.vdl2_lock:
+            app_module.vdl2_process = None
+        # Release SDR device
+        if vdl2_active_device is not None:
+            app_module.release_sdr_device(vdl2_active_device)
+            vdl2_active_device = None
+
+
+@vdl2_bp.route('/tools')
+def check_vdl2_tools() -> Response:
+    """Check for VDL2 decoding tools."""
+    has_dumpvdl2 = find_dumpvdl2() is not None
+
+    return jsonify({
+        'dumpvdl2': has_dumpvdl2,
+        'ready': has_dumpvdl2
+    })
+
+
+@vdl2_bp.route('/status')
+def vdl2_status() -> Response:
+    """Get VDL2 decoder status."""
+    running = False
+    if app_module.vdl2_process:
+        running = app_module.vdl2_process.poll() is None
+
+    return jsonify({
+        'running': running,
+        'message_count': vdl2_message_count,
+        'last_message_time': vdl2_last_message_time,
+        'queue_size': app_module.vdl2_queue.qsize()
+    })
+
+
+@vdl2_bp.route('/start', methods=['POST'])
+def start_vdl2() -> Response:
+    """Start VDL2 decoder."""
+    global vdl2_message_count, vdl2_last_message_time, vdl2_active_device
+
+    with app_module.vdl2_lock:
+        if app_module.vdl2_process and app_module.vdl2_process.poll() is None:
+            return jsonify({
+                'status': 'error',
+                'message': 'VDL2 decoder already running'
+            }), 409
+
+    # Check for dumpvdl2
+    dumpvdl2_path = find_dumpvdl2()
+    if not dumpvdl2_path:
+        return jsonify({
+            'status': 'error',
+            'message': 'dumpvdl2 not found. Install from: https://github.com/szpajder/dumpvdl2'
+        }), 400
+
+    data = request.json or {}
+
+    # Validate inputs
+    try:
+        device = validate_device_index(data.get('device', '0'))
+        gain = validate_gain(data.get('gain', '40'))
+        ppm = validate_ppm(data.get('ppm', '0'))
+    except ValueError as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 400
+
+    # Check if device is available
+    device_int = int(device)
+    error = app_module.claim_sdr_device(device_int, 'vdl2')
+    if error:
+        return jsonify({
+            'status': 'error',
+            'error_type': 'DEVICE_BUSY',
+            'message': error
+        }), 409
+
+    vdl2_active_device = device_int
+
+    # Get frequencies - use provided or defaults
+    # dumpvdl2 expects frequencies in Hz (integers)
+    frequencies = data.get('frequencies', DEFAULT_VDL2_FREQUENCIES)
+    if isinstance(frequencies, str):
+        frequencies = [f.strip() for f in frequencies.split(',')]
+
+    # Clear queue
+    while not app_module.vdl2_queue.empty():
+        try:
+            app_module.vdl2_queue.get_nowait()
+        except queue.Empty:
+            break
+
+    # Reset stats
+    vdl2_message_count = 0
+    vdl2_last_message_time = None
+
+    # Resolve SDR type for device selection
+    sdr_type_str = data.get('sdr_type', 'rtlsdr')
+    try:
+        sdr_type = SDRType(sdr_type_str)
+    except ValueError:
+        sdr_type = SDRType.RTL_SDR
+
+    is_soapy = sdr_type not in (SDRType.RTL_SDR,)
+
+    # Build dumpvdl2 command
+    # dumpvdl2 --output decoded:json --rtlsdr <device> --gain <gain> --correction <ppm> <freq1> <freq2> ...
+    cmd = [dumpvdl2_path]
+    cmd.extend(['--output', 'decoded:json:file:path=-'])
+
+    if is_soapy:
+        # SoapySDR device
+        sdr_device = SDRFactory.create_default_device(sdr_type, index=device_int)
+        builder = SDRFactory.get_builder(sdr_type)
+        device_str = builder._build_device_string(sdr_device)
+        cmd.extend(['--soapysdr', device_str])
+    else:
+        cmd.extend(['--rtlsdr', str(device)])
+
+    # Add gain
+    if gain and str(gain) != '0':
+        cmd.extend(['--gain', str(gain)])
+
+    # Add PPM correction if specified
+    if ppm and str(ppm) != '0':
+        cmd.extend(['--correction', str(ppm)])
+
+    # Add frequencies (dumpvdl2 takes them as positional args in Hz)
+    cmd.extend(frequencies)
+
+    logger.info(f"Starting VDL2 decoder: {' '.join(cmd)}")
+
+    try:
+        process = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            start_new_session=True
+        )
+
+        # Wait briefly to check if process started
+        time.sleep(PROCESS_START_WAIT)
+
+        if process.poll() is not None:
+            # Process died - release device
+            if vdl2_active_device is not None:
+                app_module.release_sdr_device(vdl2_active_device)
+                vdl2_active_device = None
+            stderr = ''
+            if process.stderr:
+                stderr = process.stderr.read().decode('utf-8', errors='replace')
+            error_msg = 'dumpvdl2 failed to start'
+            if stderr:
+                error_msg += f': {stderr[:200]}'
+            logger.error(error_msg)
+            return jsonify({'status': 'error', 'message': error_msg}), 500
+
+        app_module.vdl2_process = process
+        register_process(process)
+
+        # Start output streaming thread
+        thread = threading.Thread(
+            target=stream_vdl2_output,
+            args=(process,),
+            daemon=True
+        )
+        thread.start()
+
+        return jsonify({
+            'status': 'started',
+            'frequencies': frequencies,
+            'device': device,
+            'gain': gain
+        })
+
+    except Exception as e:
+        # Release device on failure
+        if vdl2_active_device is not None:
+            app_module.release_sdr_device(vdl2_active_device)
+            vdl2_active_device = None
+        logger.error(f"Failed to start VDL2 decoder: {e}")
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+
+@vdl2_bp.route('/stop', methods=['POST'])
+def stop_vdl2() -> Response:
+    """Stop VDL2 decoder."""
+    global vdl2_active_device
+
+    with app_module.vdl2_lock:
+        if not app_module.vdl2_process:
+            return jsonify({
+                'status': 'error',
+                'message': 'VDL2 decoder not running'
+            }), 400
+
+        try:
+            app_module.vdl2_process.terminate()
+            app_module.vdl2_process.wait(timeout=PROCESS_TERMINATE_TIMEOUT)
+        except subprocess.TimeoutExpired:
+            app_module.vdl2_process.kill()
+        except Exception as e:
+            logger.error(f"Error stopping VDL2: {e}")
+
+        app_module.vdl2_process = None
+
+    # Release device from registry
+    if vdl2_active_device is not None:
+        app_module.release_sdr_device(vdl2_active_device)
+        vdl2_active_device = None
+
+    return jsonify({'status': 'stopped'})
+
+
+@vdl2_bp.route('/stream')
+def stream_vdl2() -> Response:
+    """SSE stream for VDL2 messages."""
+    def generate() -> Generator[str, None, None]:
+        last_keepalive = time.time()
+
+        while True:
+            try:
+                msg = app_module.vdl2_queue.get(timeout=SSE_QUEUE_TIMEOUT)
+                last_keepalive = time.time()
+                try:
+                    process_event('vdl2', msg, msg.get('type'))
+                except Exception:
+                    pass
+                yield format_sse(msg)
+            except queue.Empty:
+                now = time.time()
+                if now - last_keepalive >= SSE_KEEPALIVE_INTERVAL:
+                    yield format_sse({'type': 'keepalive'})
+                    last_keepalive = now
+
+    response = Response(generate(), mimetype='text/event-stream')
+    response.headers['Cache-Control'] = 'no-cache'
+    response.headers['X-Accel-Buffering'] = 'no'
+    return response
+
+
+@vdl2_bp.route('/frequencies')
+def get_frequencies() -> Response:
+    """Get default VDL2 frequencies."""
+    return jsonify({
+        'default': DEFAULT_VDL2_FREQUENCIES,
+        'regions': {
+            'north_america': ['136975000', '136100000', '136650000', '136700000', '136800000'],
+            'europe': ['136975000', '136675000', '136725000', '136775000', '136825000'],
+            'asia_pacific': ['136975000', '136900000'],
+        }
+    })

routes/waterfall_websocket.py

@@ -0,0 +1,386 @@
+"""WebSocket-based waterfall streaming with I/Q capture and server-side FFT."""
+
+import json
+import queue
+import socket
+import subprocess
+import threading
+import time
+
+from flask import Flask
+
+try:
+    from flask_sock import Sock
+    WEBSOCKET_AVAILABLE = True
+except ImportError:
+    WEBSOCKET_AVAILABLE = False
+    Sock = None
+
+from utils.logging import get_logger
+from utils.process import safe_terminate, register_process, unregister_process
+from utils.waterfall_fft import (
+    build_binary_frame,
+    compute_power_spectrum,
+    cu8_to_complex,
+    quantize_to_uint8,
+)
+from utils.sdr import SDRFactory, SDRType
+from utils.sdr.base import SDRCapabilities, SDRDevice
+
+logger = get_logger('intercept.waterfall_ws')
+
+# Maximum bandwidth per SDR type (Hz)
+MAX_BANDWIDTH = {
+    SDRType.RTL_SDR: 2400000,
+    SDRType.HACKRF: 20000000,
+    SDRType.LIME_SDR: 20000000,
+    SDRType.AIRSPY: 10000000,
+    SDRType.SDRPLAY: 2000000,
+}
+
+
+def _resolve_sdr_type(sdr_type_str: str) -> SDRType:
+    """Convert client sdr_type string to SDRType enum."""
+    mapping = {
+        'rtlsdr': SDRType.RTL_SDR,
+        'rtl_sdr': SDRType.RTL_SDR,
+        'hackrf': SDRType.HACKRF,
+        'limesdr': SDRType.LIME_SDR,
+        'lime_sdr': SDRType.LIME_SDR,
+        'airspy': SDRType.AIRSPY,
+        'sdrplay': SDRType.SDRPLAY,
+    }
+    return mapping.get(sdr_type_str.lower(), SDRType.RTL_SDR)
+
+
+def _build_dummy_device(device_index: int, sdr_type: SDRType) -> SDRDevice:
+    """Build a minimal SDRDevice for command building."""
+    builder = SDRFactory.get_builder(sdr_type)
+    caps = builder.get_capabilities()
+    return SDRDevice(
+        sdr_type=sdr_type,
+        index=device_index,
+        name=f'{sdr_type.value}-{device_index}',
+        serial='N/A',
+        driver=sdr_type.value,
+        capabilities=caps,
+    )
+
+
+def init_waterfall_websocket(app: Flask):
+    """Initialize WebSocket waterfall streaming."""
+    if not WEBSOCKET_AVAILABLE:
+        logger.warning("flask-sock not installed, WebSocket waterfall disabled")
+        return
+
+    sock = Sock(app)
+
+    @sock.route('/ws/waterfall')
+    def waterfall_stream(ws):
+        """WebSocket endpoint for real-time waterfall streaming."""
+        logger.info("WebSocket waterfall client connected")
+
+        # Import app module for device claiming
+        import app as app_module
+
+        iq_process = None
+        reader_thread = None
+        stop_event = threading.Event()
+        claimed_device = None
+        # Queue for outgoing messages — only the main loop touches ws.send()
+        send_queue = queue.Queue(maxsize=120)
+
+        try:
+            while True:
+                # Drain send queue first (non-blocking)
+                while True:
+                    try:
+                        outgoing = send_queue.get_nowait()
+                    except queue.Empty:
+                        break
+                    try:
+                        ws.send(outgoing)
+                    except Exception:
+                        stop_event.set()
+                        break
+
+                try:
+                    msg = ws.receive(timeout=0.1)
+                except Exception as e:
+                    err = str(e).lower()
+                    if "closed" in err:
+                        break
+                    if "timed out" not in err:
+                        logger.error(f"WebSocket receive error: {e}")
+                    continue
+
+                if msg is None:
+                    # simple-websocket returns None on timeout AND on
+                    # close; check ws.connected to tell them apart.
+                    if not ws.connected:
+                        break
+                    if stop_event.is_set():
+                        break
+                    continue
+
+                try:
+                    data = json.loads(msg)
+                except (json.JSONDecodeError, TypeError):
+                    continue
+
+                cmd = data.get('cmd')
+
+                if cmd == 'start':
+                    # Stop any existing capture
+                    was_restarting = iq_process is not None
+                    stop_event.set()
+                    if reader_thread and reader_thread.is_alive():
+                        reader_thread.join(timeout=2)
+                    if iq_process:
+                        safe_terminate(iq_process)
+                        unregister_process(iq_process)
+                        iq_process = None
+                    if claimed_device is not None:
+                        app_module.release_sdr_device(claimed_device)
+                        claimed_device = None
+                    stop_event.clear()
+                    # Flush stale frames from previous capture
+                    while not send_queue.empty():
+                        try:
+                            send_queue.get_nowait()
+                        except queue.Empty:
+                            break
+                    # Allow USB device to be released by the kernel
+                    if was_restarting:
+                        time.sleep(0.5)
+
+                    # Parse config
+                    center_freq = float(data.get('center_freq', 100.0))
+                    span_mhz = float(data.get('span_mhz', 2.0))
+                    gain = data.get('gain')
+                    if gain is not None:
+                        gain = float(gain)
+                    device_index = int(data.get('device', 0))
+                    sdr_type_str = data.get('sdr_type', 'rtlsdr')
+                    fft_size = int(data.get('fft_size', 1024))
+                    fps = int(data.get('fps', 25))
+                    avg_count = int(data.get('avg_count', 4))
+                    ppm = data.get('ppm')
+                    if ppm is not None:
+                        ppm = int(ppm)
+                    bias_t = bool(data.get('bias_t', False))
+
+                    # Clamp FFT size to valid powers of 2
+                    fft_size = max(256, min(8192, fft_size))
+
+                    # Resolve SDR type and bandwidth
+                    sdr_type = _resolve_sdr_type(sdr_type_str)
+                    max_bw = MAX_BANDWIDTH.get(sdr_type, 2400000)
+                    span_hz = int(span_mhz * 1e6)
+                    sample_rate = min(span_hz, max_bw)
+
+                    # Compute effective frequency range
+                    effective_span_mhz = sample_rate / 1e6
+                    start_freq = center_freq - effective_span_mhz / 2
+                    end_freq = center_freq + effective_span_mhz / 2
+
+                    # Claim the device
+                    claim_err = app_module.claim_sdr_device(device_index, 'waterfall')
+                    if claim_err:
+                        ws.send(json.dumps({
+                            'status': 'error',
+                            'message': claim_err,
+                            'error_type': 'DEVICE_BUSY',
+                        }))
+                        continue
+                    claimed_device = device_index
+
+                    # Build I/Q capture command
+                    try:
+                        builder = SDRFactory.get_builder(sdr_type)
+                        device = _build_dummy_device(device_index, sdr_type)
+                        iq_cmd = builder.build_iq_capture_command(
+                            device=device,
+                            frequency_mhz=center_freq,
+                            sample_rate=sample_rate,
+                            gain=gain,
+                            ppm=ppm,
+                            bias_t=bias_t,
+                        )
+                    except NotImplementedError as e:
+                        app_module.release_sdr_device(device_index)
+                        claimed_device = None
+                        ws.send(json.dumps({
+                            'status': 'error',
+                            'message': str(e),
+                        }))
+                        continue
+
+                    # Spawn I/Q capture process (retry to handle USB release lag)
+                    max_attempts = 3 if was_restarting else 1
+                    try:
+                        for attempt in range(max_attempts):
+                            logger.info(
+                                f"Starting I/Q capture: {center_freq} MHz, "
+                                f"span={effective_span_mhz:.1f} MHz, "
+                                f"sr={sample_rate}, fft={fft_size}"
+                            )
+                            iq_process = subprocess.Popen(
+                                iq_cmd,
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.DEVNULL,
+                                bufsize=0,
+                            )
+                            register_process(iq_process)
+
+                            # Brief check that process started
+                            time.sleep(0.3)
+                            if iq_process.poll() is not None:
+                                unregister_process(iq_process)
+                                iq_process = None
+                                if attempt < max_attempts - 1:
+                                    logger.info(
+                                        f"I/Q process exited immediately, "
+                                        f"retrying ({attempt + 1}/{max_attempts})..."
+                                    )
+                                    time.sleep(0.5)
+                                    continue
+                                raise RuntimeError(
+                                    "I/Q capture process exited immediately"
+                                )
+                            break  # Process started successfully
+                    except Exception as e:
+                        logger.error(f"Failed to start I/Q capture: {e}")
+                        if iq_process:
+                            safe_terminate(iq_process)
+                            unregister_process(iq_process)
+                            iq_process = None
+                        app_module.release_sdr_device(device_index)
+                        claimed_device = None
+                        ws.send(json.dumps({
+                            'status': 'error',
+                            'message': f'Failed to start I/Q capture: {e}',
+                        }))
+                        continue
+
+                    # Send started confirmation
+                    ws.send(json.dumps({
+                        'status': 'started',
+                        'start_freq': start_freq,
+                        'end_freq': end_freq,
+                        'fft_size': fft_size,
+                        'sample_rate': sample_rate,
+                    }))
+
+                    # Start reader thread — puts frames on queue, never calls ws.send()
+                    def fft_reader(
+                        proc, _send_q, stop_evt,
+                        _fft_size, _avg_count, _fps,
+                        _start_freq, _end_freq,
+                    ):
+                        """Read I/Q from subprocess, compute FFT, enqueue binary frames."""
+                        bytes_per_frame = _fft_size * _avg_count * 2
+                        frame_interval = 1.0 / _fps
+
+                        try:
+                            while not stop_evt.is_set():
+                                if proc.poll() is not None:
+                                    break
+
+                                frame_start = time.monotonic()
+
+                                # Read raw I/Q bytes
+                                raw = b''
+                                remaining = bytes_per_frame
+                                while remaining > 0 and not stop_evt.is_set():
+                                    chunk = proc.stdout.read(min(remaining, 65536))
+                                    if not chunk:
+                                        break
+                                    raw += chunk
+                                    remaining -= len(chunk)
+
+                                if len(raw) < _fft_size * 2:
+                                    break
+
+                                # Process FFT pipeline
+                                samples = cu8_to_complex(raw)
+                                power_db = compute_power_spectrum(
+                                    samples,
+                                    fft_size=_fft_size,
+                                    avg_count=_avg_count,
+                                )
+                                quantized = quantize_to_uint8(power_db)
+                                frame = build_binary_frame(
+                                    _start_freq, _end_freq, quantized,
+                                )
+
+                                try:
+                                    _send_q.put_nowait(frame)
+                                except queue.Full:
+                                    # Drop frame if main loop can't keep up
+                                    pass
+
+                                # Pace to target FPS
+                                elapsed = time.monotonic() - frame_start
+                                sleep_time = frame_interval - elapsed
+                                if sleep_time > 0:
+                                    stop_evt.wait(sleep_time)
+
+                        except Exception as e:
+                            logger.debug(f"FFT reader stopped: {e}")
+
+                    reader_thread = threading.Thread(
+                        target=fft_reader,
+                        args=(
+                            iq_process, send_queue, stop_event,
+                            fft_size, avg_count, fps,
+                            start_freq, end_freq,
+                        ),
+                        daemon=True,
+                    )
+                    reader_thread.start()
+
+                elif cmd == 'stop':
+                    stop_event.set()
+                    if reader_thread and reader_thread.is_alive():
+                        reader_thread.join(timeout=2)
+                        reader_thread = None
+                    if iq_process:
+                        safe_terminate(iq_process)
+                        unregister_process(iq_process)
+                        iq_process = None
+                    if claimed_device is not None:
+                        app_module.release_sdr_device(claimed_device)
+                        claimed_device = None
+                    stop_event.clear()
+                    ws.send(json.dumps({'status': 'stopped'}))
+
+        except Exception as e:
+            logger.info(f"WebSocket waterfall closed: {e}")
+        finally:
+            # Cleanup
+            stop_event.set()
+            if reader_thread and reader_thread.is_alive():
+                reader_thread.join(timeout=2)
+            if iq_process:
+                safe_terminate(iq_process)
+                unregister_process(iq_process)
+            if claimed_device is not None:
+                app_module.release_sdr_device(claimed_device)
+            # Complete WebSocket close handshake, then shut down the
+            # raw socket so Werkzeug cannot write its HTTP 200 response
+            # on top of the WebSocket stream (which browsers see as
+            # "Invalid frame header").
+            try:
+                ws.close()
+            except Exception:
+                pass
+            try:
+                ws.sock.shutdown(socket.SHUT_RDWR)
+            except Exception:
+                pass
+            try:
+                ws.sock.close()
+            except Exception:
+                pass
+            logger.info("WebSocket waterfall client disconnected")

routes/weather_sat.py

@@ -0,0 +1,626 @@
+"""Weather Satellite decoder routes.
+
+Provides endpoints for capturing and decoding weather satellite images
+from NOAA (APT) and Meteor (LRPT) satellites using SatDump.
+"""
+
+from __future__ import annotations
+
+import queue
+
+from flask import Blueprint, jsonify, request, Response, send_file
+
+from utils.logging import get_logger
+from utils.sse import sse_stream
+from utils.validation import validate_device_index, validate_gain, validate_latitude, validate_longitude, validate_elevation
+from utils.weather_sat import (
+    get_weather_sat_decoder,
+    is_weather_sat_available,
+    CaptureProgress,
+    WEATHER_SATELLITES,
+)
+
+logger = get_logger('intercept.weather_sat')
+
+weather_sat_bp = Blueprint('weather_sat', __name__, url_prefix='/weather-sat')
+
+# Queue for SSE progress streaming
+_weather_sat_queue: queue.Queue = queue.Queue(maxsize=100)
+
+
+def _progress_callback(progress: CaptureProgress) -> None:
+    """Callback to queue progress updates for SSE stream."""
+    try:
+        _weather_sat_queue.put_nowait(progress.to_dict())
+    except queue.Full:
+        try:
+            _weather_sat_queue.get_nowait()
+            _weather_sat_queue.put_nowait(progress.to_dict())
+        except queue.Empty:
+            pass
+
+
+@weather_sat_bp.route('/status')
+def get_status():
+    """Get weather satellite decoder status.
+
+    Returns:
+        JSON with decoder availability and current status.
+    """
+    decoder = get_weather_sat_decoder()
+    return jsonify(decoder.get_status())
+
+
+@weather_sat_bp.route('/satellites')
+def list_satellites():
+    """Get list of supported weather satellites with frequencies.
+
+    Returns:
+        JSON with satellite definitions.
+    """
+    satellites = []
+    for key, info in WEATHER_SATELLITES.items():
+        satellites.append({
+            'key': key,
+            'name': info['name'],
+            'frequency': info['frequency'],
+            'mode': info['mode'],
+            'description': info['description'],
+            'active': info['active'],
+        })
+
+    return jsonify({
+        'status': 'ok',
+        'satellites': satellites,
+    })
+
+
+@weather_sat_bp.route('/start', methods=['POST'])
+def start_capture():
+    """Start weather satellite capture and decode.
+
+    JSON body:
+        {
+            "satellite": "NOAA-18",    // Required: satellite key
+            "device": 0,               // RTL-SDR device index (default: 0)
+            "gain": 40.0,              // SDR gain in dB (default: 40)
+            "bias_t": false            // Enable bias-T for LNA (default: false)
+        }
+
+    Returns:
+        JSON with start status.
+    """
+    if not is_weather_sat_available():
+        return jsonify({
+            'status': 'error',
+            'message': 'SatDump not installed. Build from source: https://github.com/SatDump/SatDump'
+        }), 400
+
+    decoder = get_weather_sat_decoder()
+
+    if decoder.is_running:
+        return jsonify({
+            'status': 'already_running',
+            'satellite': decoder.current_satellite,
+            'frequency': decoder.current_frequency,
+        })
+
+    data = request.get_json(silent=True) or {}
+
+    # Validate satellite
+    satellite = data.get('satellite')
+    if not satellite or satellite not in WEATHER_SATELLITES:
+        return jsonify({
+            'status': 'error',
+            'message': f'Invalid satellite. Must be one of: {", ".join(WEATHER_SATELLITES.keys())}'
+        }), 400
+
+    # Validate device index and gain
+    try:
+        device_index = validate_device_index(data.get('device', 0))
+        gain = validate_gain(data.get('gain', 40.0))
+    except ValueError as e:
+        logger.warning('Invalid parameter in start_capture: %s', e)
+        return jsonify({
+            'status': 'error',
+            'message': 'Invalid parameter value'
+        }), 400
+
+    bias_t = bool(data.get('bias_t', False))
+
+    # Claim SDR device
+    try:
+        import app as app_module
+        error = app_module.claim_sdr_device(device_index, 'weather_sat')
+        if error:
+            return jsonify({
+                'status': 'error',
+                'error_type': 'DEVICE_BUSY',
+                'message': error,
+            }), 409
+    except ImportError:
+        pass
+
+    # Clear queue
+    while not _weather_sat_queue.empty():
+        try:
+            _weather_sat_queue.get_nowait()
+        except queue.Empty:
+            break
+
+    # Set callback and on-complete handler for SDR release
+    decoder.set_callback(_progress_callback)
+
+    def _release_device():
+        try:
+            import app as app_module
+            app_module.release_sdr_device(device_index)
+        except ImportError:
+            pass
+
+    decoder.set_on_complete(_release_device)
+
+    success = decoder.start(
+        satellite=satellite,
+        device_index=device_index,
+        gain=gain,
+        bias_t=bias_t,
+    )
+
+    if success:
+        sat_info = WEATHER_SATELLITES[satellite]
+        return jsonify({
+            'status': 'started',
+            'satellite': satellite,
+            'frequency': sat_info['frequency'],
+            'mode': sat_info['mode'],
+            'device': device_index,
+        })
+    else:
+        # Release device on failure
+        _release_device()
+        return jsonify({
+            'status': 'error',
+            'message': 'Failed to start capture'
+        }), 500
+
+
+@weather_sat_bp.route('/test-decode', methods=['POST'])
+def test_decode():
+    """Start weather satellite decode from a pre-recorded file.
+
+    No SDR hardware is required — decodes an IQ baseband or WAV file
+    using SatDump offline mode.
+
+    JSON body:
+        {
+            "satellite": "NOAA-18",       // Required: satellite key
+            "input_file": "/path/to/file", // Required: server-side file path
+            "sample_rate": 1000000         // Sample rate in Hz (default: 1000000)
+        }
+
+    Returns:
+        JSON with start status.
+    """
+    if not is_weather_sat_available():
+        return jsonify({
+            'status': 'error',
+            'message': 'SatDump not installed. Build from source: https://github.com/SatDump/SatDump'
+        }), 400
+
+    decoder = get_weather_sat_decoder()
+
+    if decoder.is_running:
+        return jsonify({
+            'status': 'already_running',
+            'satellite': decoder.current_satellite,
+            'frequency': decoder.current_frequency,
+        })
+
+    data = request.get_json(silent=True) or {}
+
+    # Validate satellite
+    satellite = data.get('satellite')
+    if not satellite or satellite not in WEATHER_SATELLITES:
+        return jsonify({
+            'status': 'error',
+            'message': f'Invalid satellite. Must be one of: {", ".join(WEATHER_SATELLITES.keys())}'
+        }), 400
+
+    # Validate input file
+    input_file = data.get('input_file')
+    if not input_file:
+        return jsonify({
+            'status': 'error',
+            'message': 'input_file is required'
+        }), 400
+
+    from pathlib import Path
+    input_path = Path(input_file)
+
+    # Security: restrict to data directory (anchored to app root, not CWD)
+    allowed_base = Path(__file__).resolve().parent.parent / 'data'
+    try:
+        resolved = input_path.resolve()
+        if not resolved.is_relative_to(allowed_base):
+            return jsonify({
+                'status': 'error',
+                'message': 'input_file must be under the data/ directory'
+            }), 403
+    except (OSError, ValueError):
+        return jsonify({
+            'status': 'error',
+            'message': 'Invalid file path'
+        }), 400
+
+    if not input_path.is_file():
+        logger.warning("Test-decode file not found")
+        return jsonify({
+            'status': 'error',
+            'message': 'File not found'
+        }), 404
+
+    # Validate sample rate
+    sample_rate = data.get('sample_rate', 1000000)
+    try:
+        sample_rate = int(sample_rate)
+        if sample_rate < 1000 or sample_rate > 20000000:
+            raise ValueError
+    except (TypeError, ValueError):
+        return jsonify({
+            'status': 'error',
+            'message': 'Invalid sample_rate (1000-20000000)'
+        }), 400
+
+    # Clear queue
+    while not _weather_sat_queue.empty():
+        try:
+            _weather_sat_queue.get_nowait()
+        except queue.Empty:
+            break
+
+    # Set callback — no on_complete needed (no SDR to release)
+    decoder.set_callback(_progress_callback)
+    decoder.set_on_complete(None)
+
+    success = decoder.start_from_file(
+        satellite=satellite,
+        input_file=input_file,
+        sample_rate=sample_rate,
+    )
+
+    if success:
+        sat_info = WEATHER_SATELLITES[satellite]
+        return jsonify({
+            'status': 'started',
+            'satellite': satellite,
+            'frequency': sat_info['frequency'],
+            'mode': sat_info['mode'],
+            'source': 'file',
+            'input_file': str(input_file),
+        })
+    else:
+        return jsonify({
+            'status': 'error',
+            'message': 'Failed to start file decode'
+        }), 500
+
+
+@weather_sat_bp.route('/stop', methods=['POST'])
+def stop_capture():
+    """Stop weather satellite capture.
+
+    Returns:
+        JSON confirmation.
+    """
+    decoder = get_weather_sat_decoder()
+    device_index = decoder.device_index
+
+    decoder.stop()
+
+    # Release SDR device
+    try:
+        import app as app_module
+        app_module.release_sdr_device(device_index)
+    except ImportError:
+        pass
+
+    return jsonify({'status': 'stopped'})
+
+
+@weather_sat_bp.route('/images')
+def list_images():
+    """Get list of decoded weather satellite images.
+
+    Query parameters:
+        limit: Maximum number of images (default: all)
+        satellite: Filter by satellite key (optional)
+
+    Returns:
+        JSON with list of decoded images.
+    """
+    decoder = get_weather_sat_decoder()
+    images = decoder.get_images()
+
+    # Filter by satellite if specified
+    satellite_filter = request.args.get('satellite')
+    if satellite_filter:
+        images = [img for img in images if img.satellite == satellite_filter]
+
+    # Apply limit
+    limit = request.args.get('limit', type=int)
+    if limit and limit > 0:
+        images = images[-limit:]
+
+    return jsonify({
+        'status': 'ok',
+        'images': [img.to_dict() for img in images],
+        'count': len(images),
+    })
+
+
+@weather_sat_bp.route('/images/<filename>')
+def get_image(filename: str):
+    """Serve a decoded weather satellite image file.
+
+    Args:
+        filename: Image filename
+
+    Returns:
+        Image file or 404.
+    """
+    decoder = get_weather_sat_decoder()
+
+    # Security: only allow safe filenames
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if not (filename.endswith('.png') or filename.endswith('.jpg') or filename.endswith('.jpeg')):
+        return jsonify({'status': 'error', 'message': 'Only PNG/JPG files supported'}), 400
+
+    image_path = decoder._output_dir / filename
+
+    if not image_path.exists():
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+    mimetype = 'image/png' if filename.endswith('.png') else 'image/jpeg'
+    return send_file(image_path, mimetype=mimetype)
+
+
+@weather_sat_bp.route('/images/<filename>', methods=['DELETE'])
+def delete_image(filename: str):
+    """Delete a decoded image.
+
+    Args:
+        filename: Image filename
+
+    Returns:
+        JSON confirmation.
+    """
+    decoder = get_weather_sat_decoder()
+
+    if not filename.replace('_', '').replace('-', '').replace('.', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid filename'}), 400
+
+    if decoder.delete_image(filename):
+        return jsonify({'status': 'deleted', 'filename': filename})
+    else:
+        return jsonify({'status': 'error', 'message': 'Image not found'}), 404
+
+
+@weather_sat_bp.route('/images', methods=['DELETE'])
+def delete_all_images():
+    """Delete all decoded weather satellite images.
+
+    Returns:
+        JSON with count of deleted images.
+    """
+    decoder = get_weather_sat_decoder()
+    count = decoder.delete_all_images()
+    return jsonify({'status': 'ok', 'deleted': count})
+
+
+@weather_sat_bp.route('/stream')
+def stream_progress():
+    """SSE stream of capture/decode progress.
+
+    Returns:
+        SSE stream (text/event-stream)
+    """
+    response = Response(sse_stream(_weather_sat_queue), mimetype='text/event-stream')
+    response.headers['Cache-Control'] = 'no-cache'
+    response.headers['X-Accel-Buffering'] = 'no'
+    response.headers['Connection'] = 'keep-alive'
+    return response
+
+
+@weather_sat_bp.route('/passes')
+def get_passes():
+    """Get upcoming weather satellite passes for observer location.
+
+    Query parameters:
+        latitude: Observer latitude (required)
+        longitude: Observer longitude (required)
+        hours: Hours to predict ahead (default: 24, max: 72)
+        min_elevation: Minimum elevation in degrees (default: 15)
+        trajectory: Include az/el trajectory points (default: false)
+        ground_track: Include lat/lon ground track points (default: false)
+
+    Returns:
+        JSON with upcoming passes for all weather satellites.
+    """
+    include_trajectory = request.args.get('trajectory', 'false').lower() in ('true', '1')
+    include_ground_track = request.args.get('ground_track', 'false').lower() in ('true', '1')
+
+    raw_lat = request.args.get('latitude')
+    raw_lon = request.args.get('longitude')
+
+    if raw_lat is None or raw_lon is None:
+        return jsonify({
+            'status': 'error',
+            'message': 'latitude and longitude parameters required'
+        }), 400
+
+    try:
+        lat = validate_latitude(raw_lat)
+        lon = validate_longitude(raw_lon)
+    except ValueError as e:
+        logger.warning('Invalid coordinates in get_passes: %s', e)
+        return jsonify({'status': 'error', 'message': 'Invalid coordinates'}), 400
+
+    hours = max(1, min(request.args.get('hours', 24, type=int), 72))
+    min_elevation = max(0, min(request.args.get('min_elevation', 15, type=float), 90))
+
+    try:
+        from utils.weather_sat_predict import predict_passes
+
+        all_passes = predict_passes(
+            lat=lat,
+            lon=lon,
+            hours=hours,
+            min_elevation=min_elevation,
+            include_trajectory=include_trajectory,
+            include_ground_track=include_ground_track,
+        )
+
+        return jsonify({
+            'status': 'ok',
+            'passes': all_passes,
+            'count': len(all_passes),
+            'observer': {'latitude': lat, 'longitude': lon},
+            'prediction_hours': hours,
+            'min_elevation': min_elevation,
+        })
+
+    except ImportError:
+        return jsonify({
+            'status': 'error',
+            'message': 'skyfield library not installed'
+        }), 503
+
+    except Exception as e:
+        logger.error(f"Error predicting passes: {e}")
+        return jsonify({
+            'status': 'error',
+            'message': 'Pass prediction failed'
+        }), 500
+
+
+# ========================
+# Auto-Scheduler Endpoints
+# ========================
+
+
+def _scheduler_event_callback(event: dict) -> None:
+    """Forward scheduler events to the SSE queue."""
+    try:
+        _weather_sat_queue.put_nowait(event)
+    except queue.Full:
+        try:
+            _weather_sat_queue.get_nowait()
+            _weather_sat_queue.put_nowait(event)
+        except queue.Empty:
+            pass
+
+
+@weather_sat_bp.route('/schedule/enable', methods=['POST'])
+def enable_schedule():
+    """Enable auto-scheduling of weather satellite captures.
+
+    JSON body:
+        {
+            "latitude": 51.5,         // Required
+            "longitude": -0.1,        // Required
+            "min_elevation": 15,      // Minimum pass elevation (default: 15)
+            "device": 0,              // RTL-SDR device index (default: 0)
+            "gain": 40.0,             // SDR gain (default: 40)
+            "bias_t": false           // Enable bias-T (default: false)
+        }
+
+    Returns:
+        JSON with scheduler status.
+    """
+    from utils.weather_sat_scheduler import get_weather_sat_scheduler
+
+    data = request.get_json(silent=True) or {}
+
+    if data.get('latitude') is None or data.get('longitude') is None:
+        return jsonify({
+            'status': 'error',
+            'message': 'latitude and longitude required'
+        }), 400
+
+    try:
+        lat = validate_latitude(data.get('latitude'))
+        lon = validate_longitude(data.get('longitude'))
+        min_elev = validate_elevation(data.get('min_elevation', 15))
+        device = validate_device_index(data.get('device', 0))
+        gain_val = validate_gain(data.get('gain', 40.0))
+    except ValueError as e:
+        logger.warning('Invalid parameter in enable_schedule: %s', e)
+        return jsonify({
+            'status': 'error',
+            'message': 'Invalid parameter value'
+        }), 400
+
+    scheduler = get_weather_sat_scheduler()
+    scheduler.set_callbacks(_progress_callback, _scheduler_event_callback)
+
+    result = scheduler.enable(
+        lat=lat,
+        lon=lon,
+        min_elevation=min_elev,
+        device=device,
+        gain=gain_val,
+        bias_t=bool(data.get('bias_t', False)),
+    )
+
+    return jsonify({'status': 'ok', **result})
+
+
+@weather_sat_bp.route('/schedule/disable', methods=['POST'])
+def disable_schedule():
+    """Disable auto-scheduling."""
+    from utils.weather_sat_scheduler import get_weather_sat_scheduler
+
+    scheduler = get_weather_sat_scheduler()
+    result = scheduler.disable()
+    return jsonify(result)
+
+
+@weather_sat_bp.route('/schedule/status')
+def schedule_status():
+    """Get current scheduler state."""
+    from utils.weather_sat_scheduler import get_weather_sat_scheduler
+
+    scheduler = get_weather_sat_scheduler()
+    return jsonify(scheduler.get_status())
+
+
+@weather_sat_bp.route('/schedule/passes')
+def schedule_passes():
+    """List scheduled passes."""
+    from utils.weather_sat_scheduler import get_weather_sat_scheduler
+
+    scheduler = get_weather_sat_scheduler()
+    passes = scheduler.get_passes()
+    return jsonify({
+        'status': 'ok',
+        'passes': passes,
+        'count': len(passes),
+    })
+
+
+@weather_sat_bp.route('/schedule/skip/<pass_id>', methods=['POST'])
+def skip_pass(pass_id: str):
+    """Skip a scheduled pass."""
+    from utils.weather_sat_scheduler import get_weather_sat_scheduler
+
+    if not pass_id.replace('_', '').replace('-', '').isalnum():
+        return jsonify({'status': 'error', 'message': 'Invalid pass ID'}), 400
+
+    scheduler = get_weather_sat_scheduler()
+    if scheduler.skip_pass(pass_id):
+        return jsonify({'status': 'skipped', 'pass_id': pass_id})
+    else:
+        return jsonify({'status': 'error', 'message': 'Pass not found or already processed'}), 404

routes/wifi.py

@@ -17,11 +17,12 @@ from flask import Blueprint, jsonify, request, Response
 
 import app as app_module
 from utils.dependencies import check_tool, get_tool_path
-from utils.logging import wifi_logger as logger
-from utils.process import is_valid_mac, is_valid_channel
-from utils.validation import validate_wifi_channel, validate_mac_address, validate_network_interface
-from utils.sse import format_sse
-from data.oui import get_manufacturer
+from utils.logging import wifi_logger as logger
+from utils.process import is_valid_mac, is_valid_channel
+from utils.validation import validate_wifi_channel, validate_mac_address, validate_network_interface
+from utils.sse import format_sse
+from utils.event_pipeline import process_event
+from data.oui import get_manufacturer
 from utils.constants import (
     WIFI_TERMINATE_TIMEOUT,
     PMKID_TERMINATE_TIMEOUT,
@@ -46,8 +47,33 @@ from utils.constants import (
 wifi_bp = Blueprint('wifi', __name__, url_prefix='/wifi')
 
 # PMKID process state
-pmkid_process = None
-pmkid_lock = threading.Lock()
+pmkid_process = None
+pmkid_lock = threading.Lock()
+
+
+def _parse_channel_list(raw_channels: Any) -> list[int] | None:
+    """Parse a channel list from string/list input."""
+    if raw_channels in (None, '', []):
+        return None
+
+    if isinstance(raw_channels, str):
+        parts = [p.strip() for p in re.split(r'[\s,]+', raw_channels) if p.strip()]
+    elif isinstance(raw_channels, (list, tuple, set)):
+        parts = list(raw_channels)
+    else:
+        parts = [raw_channels]
+
+    channels: list[int] = []
+    seen = set()
+    for part in parts:
+        if part in (None, ''):
+            continue
+        ch = validate_wifi_channel(part)
+        if ch not in seen:
+            channels.append(ch)
+            seen.add(ch)
+
+    return channels or None
 
 
 def detect_wifi_interfaces():
@@ -607,8 +633,9 @@ def start_wifi_scan():
             return jsonify({'status': 'error', 'message': 'Scan already running'})
 
         data = request.json
-        channel = data.get('channel')
-        band = data.get('band', 'abg')
+        channel = data.get('channel')
+        channels = data.get('channels')
+        band = data.get('band', 'abg')
 
         # Use provided interface or fall back to stored monitor interface
         interface = data.get('interface')
@@ -658,8 +685,17 @@ def start_wifi_scan():
             interface
         ]
 
-        if channel:
-            cmd.extend(['-c', str(channel)])
+        channel_list = None
+        if channels:
+            try:
+                channel_list = _parse_channel_list(channels)
+            except ValueError as e:
+                return jsonify({'status': 'error', 'message': str(e)}), 400
+
+        if channel_list:
+            cmd.extend(['-c', ','.join(str(c) for c in channel_list)])
+        elif channel:
+            cmd.extend(['-c', str(channel)])
 
         logger.info(f"Running: {' '.join(cmd)}")
 
@@ -851,32 +887,53 @@ def check_handshake_status():
                 return jsonify({'status': 'stopped', 'file_exists': False, 'handshake_found': False})
 
     file_size = os.path.getsize(capture_file)
-    handshake_found = False
+    handshake_found = False
+    handshake_valid: bool | None = None
+    handshake_checked = False
+    handshake_reason: str | None = None
 
     try:
-        if target_bssid and is_valid_mac(target_bssid):
-            aircrack_path = get_tool_path('aircrack-ng')
-            if aircrack_path:
-                result = subprocess.run(
-                    [aircrack_path, '-a', '2', '-b', target_bssid, capture_file],
-                    capture_output=True, text=True, timeout=10
-                )
-                output = result.stdout + result.stderr
-                if '1 handshake' in output or ('handshake' in output.lower() and 'wpa' in output.lower()):
-                    if '0 handshake' not in output:
-                        handshake_found = True
+        if target_bssid and is_valid_mac(target_bssid):
+            aircrack_path = get_tool_path('aircrack-ng')
+            if aircrack_path:
+                result = subprocess.run(
+                    [aircrack_path, '-a', '2', '-b', target_bssid, capture_file],
+                    capture_output=True, text=True, timeout=10
+                )
+                output = result.stdout + result.stderr
+                output_lower = output.lower()
+                handshake_checked = True
+
+                if 'no valid wpa handshakes found' in output_lower:
+                    handshake_valid = False
+                    handshake_reason = 'No valid WPA handshake found'
+                elif '0 handshake' in output_lower:
+                    handshake_valid = False
+                elif '1 handshake' in output_lower or ('handshake' in output_lower and 'wpa' in output_lower):
+                    handshake_valid = True
+                else:
+                    handshake_valid = False
     except subprocess.TimeoutExpired:
         pass
-    except Exception as e:
-        logger.error(f"Error checking handshake: {e}")
-
-    return jsonify({
-        'status': 'running' if app_module.wifi_process and app_module.wifi_process.poll() is None else 'stopped',
-        'file_exists': True,
-        'file_size': file_size,
-        'file': capture_file,
-        'handshake_found': handshake_found
-    })
+    except Exception as e:
+        logger.error(f"Error checking handshake: {e}")
+
+    if handshake_valid:
+        handshake_found = True
+        normalized_bssid = target_bssid.upper() if target_bssid else None
+        if normalized_bssid and normalized_bssid not in app_module.wifi_handshakes:
+            app_module.wifi_handshakes.append(normalized_bssid)
+
+    return jsonify({
+        'status': 'running' if app_module.wifi_process and app_module.wifi_process.poll() is None else 'stopped',
+        'file_exists': True,
+        'file_size': file_size,
+        'file': capture_file,
+        'handshake_found': handshake_found,
+        'handshake_valid': handshake_valid,
+        'handshake_checked': handshake_checked,
+        'handshake_reason': handshake_reason
+    })
 
 
 @wifi_bp.route('/pmkid/capture', methods=['POST'])
@@ -1084,9 +1141,13 @@ def stream_wifi():
 
         while True:
             try:
-                msg = app_module.wifi_queue.get(timeout=1)
-                last_keepalive = time.time()
-                yield format_sse(msg)
+                msg = app_module.wifi_queue.get(timeout=1)
+                last_keepalive = time.time()
+                try:
+                    process_event('wifi', msg, msg.get('type'))
+                except Exception:
+                    pass
+                yield format_sse(msg)
             except queue.Empty:
                 now = time.time()
                 if now - last_keepalive >= keepalive_interval:

routes/wifi_v2.py

@@ -16,14 +16,16 @@ from typing import Generator
 
 from flask import Blueprint, jsonify, request, Response
 
-from utils.wifi import (
-    get_wifi_scanner,
-    analyze_channels,
-    get_hidden_correlator,
-    SCAN_MODE_QUICK,
-    SCAN_MODE_DEEP,
-)
-from utils.sse import format_sse
+from utils.wifi import (
+    get_wifi_scanner,
+    analyze_channels,
+    get_hidden_correlator,
+    SCAN_MODE_QUICK,
+    SCAN_MODE_DEEP,
+)
+from utils.sse import format_sse
+from utils.validation import validate_wifi_channel
+from utils.event_pipeline import process_event
 
 logger = logging.getLogger(__name__)
 
@@ -85,28 +87,44 @@ def start_deep_scan():
 
     Requires monitor mode interface and root privileges.
 
-    Request body:
-        interface: Monitor mode interface (e.g., 'wlan0mon')
-        band: Band to scan ('2.4', '5', 'all')
-        channel: Optional specific channel to monitor
+    Request body:
+        interface: Monitor mode interface (e.g., 'wlan0mon')
+        band: Band to scan ('2.4', '5', 'all')
+        channel: Optional specific channel to monitor
+        channels: Optional list or comma-separated channels to monitor
     """
     data = request.get_json() or {}
     interface = data.get('interface')
     band = data.get('band', 'all')
-    channel = data.get('channel')
-
-    if channel:
-        try:
-            channel = int(channel)
-        except ValueError:
-            return jsonify({'error': 'Invalid channel'}), 400
+    channel = data.get('channel')
+    channels = data.get('channels')
+
+    channel_list = None
+    if channels:
+        if isinstance(channels, str):
+            channel_list = [c.strip() for c in channels.split(',') if c.strip()]
+        elif isinstance(channels, (list, tuple, set)):
+            channel_list = list(channels)
+        else:
+            channel_list = [channels]
+        try:
+            channel_list = [validate_wifi_channel(c) for c in channel_list]
+        except (TypeError, ValueError):
+            return jsonify({'error': 'Invalid channels'}), 400
+
+    if channel:
+        try:
+            channel = validate_wifi_channel(channel)
+        except ValueError:
+            return jsonify({'error': 'Invalid channel'}), 400
 
     scanner = get_wifi_scanner()
-    success = scanner.start_deep_scan(
-        interface=interface,
-        band=band,
-        channel=channel,
-    )
+    success = scanner.start_deep_scan(
+        interface=interface,
+        band=band,
+        channel=channel,
+        channels=channel_list,
+    )
 
     if success:
         return jsonify({
@@ -388,10 +406,14 @@ def event_stream():
         - keepalive: Periodic keepalive
     """
     def generate() -> Generator[str, None, None]:
-        scanner = get_wifi_scanner()
-
-        for event in scanner.get_event_stream():
-            yield format_sse(event)
+        scanner = get_wifi_scanner()
+
+        for event in scanner.get_event_stream():
+            try:
+                process_event('wifi', event, event.get('type'))
+            except Exception:
+                pass
+            yield format_sse(event)
 
     response = Response(generate(), mimetype='text/event-stream')
     response.headers['Cache-Control'] = 'no-cache'

setup.sh

@@ -137,6 +137,14 @@ need_sudo() {
   fi
 }
 
+# Refresh sudo credential cache so long-running builds don't trigger
+# mid-compilation password prompts (which can fail due to TTY issues
+# inside subshells). Safe to call multiple times.
+refresh_sudo() {
+  [[ -z "${SUDO:-}" ]] && return 0
+  sudo -v 2>/dev/null || true
+}
+
 detect_os() {
   if [[ "${OSTYPE:-}" == "darwin"* ]]; then
     OS="macos"
@@ -165,6 +173,7 @@ detect_dragonos() {
 # Required tool checks (with alternates)
 # ----------------------------
 missing_required=()
+missing_recommended=()
 
 check_required() {
   local label="$1"; shift
@@ -178,6 +187,18 @@ check_required() {
   fi
 }
 
+check_recommended() {
+  local label="$1"; shift
+  local desc="$1"; shift
+
+  if have_any "$@"; then
+    ok "${label} - ${desc}"
+  else
+    warn "${label} - ${desc} (missing, recommended)"
+    missing_recommended+=("$label")
+  fi
+}
+
 check_optional() {
   local label="$1"; shift
   local desc="$1"; shift
@@ -201,11 +222,13 @@ check_tools() {
   check_required "multimon-ng" "Pager decoder" multimon-ng
   check_required "rtl_433"     "433MHz sensor decoder" rtl_433 rtl433
   check_optional "rtlamr"      "Utility meter decoder (requires Go)" rtlamr
+  check_optional "hackrf_transfer" "HackRF SubGHz transceiver" hackrf_transfer
+  check_optional "hackrf_sweep"    "HackRF spectrum analyzer" hackrf_sweep
   check_required "dump1090"    "ADS-B decoder" dump1090
   check_required "acarsdec"    "ACARS decoder" acarsdec
+  check_optional "dumpvdl2"    "VDL2 decoder" dumpvdl2
   check_required "AIS-catcher" "AIS vessel decoder" AIS-catcher aiscatcher
-  check_optional "slowrx"      "SSTV decoder (ISS images)" slowrx
-
+  check_optional "satdump" "Weather satellite decoder (NOAA/Meteor)" satdump
   echo
   info "GPS:"
   check_required "gpsd" "GPS daemon" gpsd
@@ -290,28 +313,41 @@ install_python_deps() {
 
   # shellcheck disable=SC1091
   source venv/bin/activate
+  local PIP="venv/bin/python -m pip"
+  local PY="venv/bin/python"
 
-  python -m pip install --upgrade pip setuptools wheel >/dev/null 2>&1 || true
+  $PIP install --upgrade pip setuptools wheel >/dev/null 2>&1 || true
   ok "Upgraded pip tooling"
 
   progress "Installing Python dependencies"
-  # Try pip install, but don't fail if apt packages already satisfied deps
-  if ! python -m pip install -r requirements.txt 2>/dev/null; then
-    warn "Some pip packages failed - checking if apt packages cover them..."
-    # Verify critical packages are available
-    python -c "import flask; import requests; from flask_limiter import Limiter" 2>/dev/null || {
-      fail "Critical Python packages (flask, requests, flask-limiter) not installed"
-      echo "Try: pip install flask requests flask-limiter"
-      exit 1
-    }
-    ok "Core Python dependencies available"
-  else
-    ok "Python dependencies installed"
-  fi
 
-  # Ensure Flask 3.0+ is installed (required for Werkzeug 3.x compatibility)
-  # System apt packages may have older Flask 2.x which is incompatible
-  python -m pip install --upgrade "flask>=3.0.0" >/dev/null 2>&1 || true
+  # Install critical packages first to avoid all-or-nothing failures
+  # (C extension packages like scipy/numpy can fail on newer Python versions
+  #  and cause pip to roll back pure-Python packages like flask)
+  info "Installing core packages..."
+  $PIP install "flask>=3.0.0" "flask-limiter>=2.5.4" "requests>=2.28.0" \
+    "Werkzeug>=3.1.5" "pyserial>=3.5" "flask-sock" "websocket-client>=1.6.0" 2>&1 \
+    | tail -5 || true
+
+  # Verify critical packages
+  $PY -c "import flask; import requests; from flask_limiter import Limiter" 2>/dev/null || {
+    fail "Critical Python packages (flask, requests, flask-limiter) not installed"
+    echo "Try: venv/bin/pip install flask requests flask-limiter"
+    exit 1
+  }
+  ok "Core Python packages installed"
+
+  # Install optional packages individually (some may fail on newer Python)
+  info "Installing optional packages..."
+  for pkg in "numpy>=1.24.0" "scipy>=1.10.0" "Pillow>=9.0.0" "skyfield>=1.45" \
+             "bleak>=0.21.0" "psycopg2-binary>=2.9.9" "meshtastic>=2.0.0" \
+             "scapy>=2.4.5" "qrcode[pil]>=7.4" "cryptography>=41.0.0"; do
+    pkg_name="${pkg%%>=*}"
+    if ! $PIP install "$pkg" 2>/dev/null; then
+      warn "${pkg_name} failed to install (optional - related features may be unavailable)"
+    fi
+  done
+  ok "Optional packages processed"
   echo
 }
 
@@ -374,7 +410,7 @@ install_rtlamr_from_source() {
         if [[ -w /usr/local/bin ]]; then
           ln -sf "$GOPATH/bin/rtlamr" /usr/local/bin/rtlamr
         else
-          sudo ln -sf "$GOPATH/bin/rtlamr" /usr/local/bin/rtlamr
+          $SUDO ln -sf "$GOPATH/bin/rtlamr" /usr/local/bin/rtlamr
         fi
       else
         $SUDO ln -sf "$GOPATH/bin/rtlamr" /usr/local/bin/rtlamr
@@ -390,42 +426,6 @@ install_rtlamr_from_source() {
   fi
 }
 
-install_slowrx_from_source_macos() {
-  info "slowrx not available via Homebrew. Building from source..."
-
-  # Ensure build dependencies are installed
-  brew_install fftw
-  brew_install libsndfile
-  brew_install gtk+3
-  brew_install pkg-config
-
-  (
-    tmp_dir="$(mktemp -d)"
-    trap 'rm -rf "$tmp_dir"' EXIT
-
-    info "Cloning slowrx..."
-    git clone --depth 1 https://github.com/windytan/slowrx.git "$tmp_dir/slowrx" >/dev/null 2>&1 \
-      || { warn "Failed to clone slowrx"; exit 1; }
-
-    cd "$tmp_dir/slowrx"
-    info "Compiling slowrx..."
-    # slowrx uses a plain Makefile, not CMake
-    local make_log
-    make_log=$(make 2>&1) || {
-      warn "make failed for slowrx:"
-      echo "$make_log" | tail -20
-      exit 1
-    }
-
-    # Install to /usr/local/bin
-    if [[ -w /usr/local/bin ]]; then
-      install -m 0755 slowrx /usr/local/bin/slowrx
-    else
-      sudo install -m 0755 slowrx /usr/local/bin/slowrx
-    fi
-    ok "slowrx installed successfully from source"
-  )
-}
 
 install_multimon_ng_from_source_macos() {
   info "multimon-ng not available via Homebrew. Building from source..."
@@ -452,7 +452,8 @@ install_multimon_ng_from_source_macos() {
     if [[ -w /usr/local/bin ]]; then
       install -m 0755 multimon-ng /usr/local/bin/multimon-ng
     else
-      sudo install -m 0755 multimon-ng /usr/local/bin/multimon-ng
+      refresh_sudo
+      $SUDO install -m 0755 multimon-ng /usr/local/bin/multimon-ng
     fi
     ok "multimon-ng installed successfully from source"
   )
@@ -493,7 +494,8 @@ install_dsd_from_source() {
         if [[ -w /usr/local/lib ]]; then
           make install >/dev/null 2>&1
         else
-          sudo make install >/dev/null 2>&1
+          refresh_sudo
+          $SUDO make install >/dev/null 2>&1
         fi
       else
         $SUDO make install >/dev/null 2>&1
@@ -529,7 +531,8 @@ install_dsd_from_source() {
         if [[ -w /usr/local/bin ]]; then
           install -m 0755 dsd-fme /usr/local/bin/dsd 2>/dev/null || install -m 0755 dsd /usr/local/bin/dsd 2>/dev/null || true
         else
-          sudo install -m 0755 dsd-fme /usr/local/bin/dsd 2>/dev/null || sudo install -m 0755 dsd /usr/local/bin/dsd 2>/dev/null || true
+          refresh_sudo
+          $SUDO install -m 0755 dsd-fme /usr/local/bin/dsd 2>/dev/null || $SUDO install -m 0755 dsd /usr/local/bin/dsd 2>/dev/null || true
         fi
       else
         $SUDO make install >/dev/null 2>&1 \
@@ -567,7 +570,8 @@ install_dump1090_from_source_macos() {
       if [[ -w /usr/local/bin ]]; then
         install -m 0755 dump1090 /usr/local/bin/dump1090
       else
-        sudo install -m 0755 dump1090 /usr/local/bin/dump1090
+        refresh_sudo
+        $SUDO install -m 0755 dump1090 /usr/local/bin/dump1090
       fi
       ok "dump1090 installed successfully from source"
     else
@@ -593,18 +597,129 @@ install_acarsdec_from_source_macos() {
       || { warn "Failed to clone acarsdec"; exit 1; }
 
     cd "$tmp_dir/acarsdec"
+
+    # Fix compiler flags for macOS Apple Silicon (ARM64)
+    # -march=native can fail with Apple Clang on M-series chips
+    # -Ofast is deprecated in modern Clang
+    if [[ "$(uname -m)" == "arm64" ]]; then
+      sed -i '' 's/-Ofast -march=native/-O3 -ffast-math/g' CMakeLists.txt
+      info "Patched compiler flags for Apple Silicon (arm64)"
+    fi
+
+    # Fix pthread_tryjoin_np (Linux-only GNU extension) for macOS
+    # Replace with pthread_join which provides equivalent behavior
+    if grep -q 'pthread_tryjoin_np' rtl.c 2>/dev/null; then
+      sed -i '' 's/pthread_tryjoin_np(\([^,]*\), NULL)/pthread_join(\1, NULL)/g' rtl.c
+      info "Patched pthread_tryjoin_np for macOS compatibility"
+    fi
+
+    # Fix libacars linking on macOS (upstream issue #112)
+    # Use LIBACARS_LINK_LIBRARIES (full path) instead of LIBACARS_LIBRARIES (name only)
+    if grep -q 'LIBACARS_LIBRARIES' CMakeLists.txt 2>/dev/null; then
+      sed -i '' 's/${LIBACARS_LIBRARIES}/${LIBACARS_LINK_LIBRARIES}/g' CMakeLists.txt
+      info "Patched libacars linking for macOS"
+    fi
+
     mkdir -p build && cd build
 
+    # Set Homebrew paths for Apple Silicon (/opt/homebrew) or Intel (/usr/local)
+    HOMEBREW_PREFIX="$(brew --prefix)"
+    export PKG_CONFIG_PATH="${HOMEBREW_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH:-}"
+    export CMAKE_PREFIX_PATH="${HOMEBREW_PREFIX}"
+
     info "Compiling acarsdec..."
-    if cmake .. -Drtl=ON >/dev/null 2>&1 && make >/dev/null 2>&1; then
+    build_log="$tmp_dir/acarsdec-build.log"
+    if cmake .. -Drtl=ON \
+         -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+         -DCMAKE_C_FLAGS="-I${HOMEBREW_PREFIX}/include" \
+         -DCMAKE_EXE_LINKER_FLAGS="-L${HOMEBREW_PREFIX}/lib" \
+         >"$build_log" 2>&1 \
+       && make >>"$build_log" 2>&1; then
       if [[ -w /usr/local/bin ]]; then
         install -m 0755 acarsdec /usr/local/bin/acarsdec
       else
-        sudo install -m 0755 acarsdec /usr/local/bin/acarsdec
+        refresh_sudo
+        $SUDO install -m 0755 acarsdec /usr/local/bin/acarsdec
       fi
       ok "acarsdec installed successfully from source"
     else
       warn "Failed to build acarsdec. ACARS decoding will not be available."
+      warn "Build log (last 30 lines):"
+      tail -30 "$build_log" | while IFS= read -r line; do warn "  $line"; done
+    fi
+  )
+}
+
+install_dumpvdl2_from_source_macos() {
+  info "Building dumpvdl2 from source (with libacars dependency)..."
+
+  brew_install cmake
+  brew_install librtlsdr
+  brew_install pkg-config
+  brew_install glib
+
+  (
+    tmp_dir="$(mktemp -d)"
+    trap 'rm -rf "$tmp_dir"' EXIT
+
+    HOMEBREW_PREFIX="$(brew --prefix)"
+    export PKG_CONFIG_PATH="${HOMEBREW_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH:-}"
+    export CMAKE_PREFIX_PATH="${HOMEBREW_PREFIX}"
+
+    # Build libacars first
+    info "Cloning libacars..."
+    git clone --depth 1 https://github.com/szpajder/libacars.git "$tmp_dir/libacars" >/dev/null 2>&1 \
+      || { warn "Failed to clone libacars"; exit 1; }
+
+    cd "$tmp_dir/libacars"
+    mkdir -p build && cd build
+
+    info "Compiling libacars..."
+    build_log="$tmp_dir/libacars-build.log"
+    if cmake .. \
+         -DCMAKE_C_FLAGS="-I${HOMEBREW_PREFIX}/include" \
+         -DCMAKE_EXE_LINKER_FLAGS="-L${HOMEBREW_PREFIX}/lib" \
+         >"$build_log" 2>&1 \
+       && make >>"$build_log" 2>&1; then
+      if [[ -w /usr/local/lib ]]; then
+        make install >>"$build_log" 2>&1
+      else
+        refresh_sudo
+        $SUDO make install >>"$build_log" 2>&1
+      fi
+      ok "libacars installed"
+    else
+      warn "Failed to build libacars."
+      tail -20 "$build_log" | while IFS= read -r line; do warn "  $line"; done
+      exit 1
+    fi
+
+    # Build dumpvdl2
+    info "Cloning dumpvdl2..."
+    git clone --depth 1 https://github.com/szpajder/dumpvdl2.git "$tmp_dir/dumpvdl2" >/dev/null 2>&1 \
+      || { warn "Failed to clone dumpvdl2"; exit 1; }
+
+    cd "$tmp_dir/dumpvdl2"
+    mkdir -p build && cd build
+
+    info "Compiling dumpvdl2..."
+    build_log="$tmp_dir/dumpvdl2-build.log"
+    if cmake .. \
+         -DCMAKE_C_FLAGS="-I${HOMEBREW_PREFIX}/include" \
+         -DCMAKE_EXE_LINKER_FLAGS="-L${HOMEBREW_PREFIX}/lib" \
+         >"$build_log" 2>&1 \
+       && make >>"$build_log" 2>&1; then
+      if [[ -w /usr/local/bin ]]; then
+        install -m 0755 src/dumpvdl2 /usr/local/bin/dumpvdl2
+      else
+        refresh_sudo
+        $SUDO install -m 0755 src/dumpvdl2 /usr/local/bin/dumpvdl2
+      fi
+      ok "dumpvdl2 installed successfully from source"
+    else
+      warn "Failed to build dumpvdl2. VDL2 decoding will not be available."
+      warn "Build log (last 30 lines):"
+      tail -30 "$build_log" | while IFS= read -r line; do warn "  $line"; done
     fi
   )
 }
@@ -633,7 +748,8 @@ install_aiscatcher_from_source_macos() {
       if [[ -w /usr/local/bin ]]; then
         install -m 0755 AIS-catcher /usr/local/bin/AIS-catcher
       else
-        sudo install -m 0755 AIS-catcher /usr/local/bin/AIS-catcher
+        refresh_sudo
+        $SUDO install -m 0755 AIS-catcher /usr/local/bin/AIS-catcher
       fi
       ok "AIS-catcher installed successfully from source"
     else
@@ -642,8 +758,155 @@ install_aiscatcher_from_source_macos() {
   )
 }
 
+install_satdump_from_source_debian() {
+  info "Building SatDump v1.2.2 from source (weather satellite decoder)..."
+
+  apt_install build-essential git cmake pkg-config \
+    libpng-dev libtiff-dev libjemalloc-dev libvolk-dev libnng-dev \
+    libzstd-dev libsoapysdr-dev libhackrf-dev liblimesuite-dev \
+    libsqlite3-dev libcurl4-openssl-dev zlib1g-dev libzmq3-dev libfftw3-dev
+
+  # Run in subshell to isolate EXIT trap
+  (
+    tmp_dir="$(mktemp -d)"
+    trap 'rm -rf "$tmp_dir"' EXIT
+
+    info "Cloning SatDump v1.2.2..."
+    git clone --depth 1 --branch 1.2.2 https://github.com/SatDump/SatDump.git "$tmp_dir/SatDump" >/dev/null 2>&1 \
+      || { warn "Failed to clone SatDump"; exit 1; }
+
+    cd "$tmp_dir/SatDump"
+
+    # Patch: fix deprecated std::allocator usage for newer compilers
+    # GCC 13+ errors on deprecated allocator members in sol2.
+    # Pragmas must go in lua_utils.cpp (the instantiation site), not sol.hpp (definition site).
+    lua_utils="src-core/common/lua/lua_utils.cpp"
+    if [ -f "$lua_utils" ]; then
+      {
+        echo '#pragma GCC diagnostic push'
+        echo '#pragma GCC diagnostic ignored "-Wdeprecated"'
+        echo '#pragma GCC diagnostic ignored "-Wdeprecated-declarations"'
+        cat "$lua_utils"
+        echo '#pragma GCC diagnostic pop'
+      } > "${lua_utils}.patched" && mv "${lua_utils}.patched" "$lua_utils"
+    fi
+
+    mkdir -p build && cd build
+
+    info "Compiling SatDump (this is a large C++ project and may take 10-30 minutes)..."
+    build_log="$tmp_dir/satdump-build.log"
+
+    # Show periodic progress while building so the user knows it's not hung
+    (
+      while true; do
+        sleep 30
+        if [ -f "$build_log" ]; then
+          local_lines=$(wc -l < "$build_log" 2>/dev/null || echo 0)
+          printf "  [*] Still compiling SatDump... (%s lines of build output so far)\n" "$local_lines"
+        fi
+      done
+    ) &
+    progress_pid=$!
+
+    if cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_GUI=OFF -DCMAKE_INSTALL_LIBDIR=lib .. >"$build_log" 2>&1 \
+        && make -j "$(nproc)" >>"$build_log" 2>&1; then
+      kill $progress_pid 2>/dev/null; wait $progress_pid 2>/dev/null
+      $SUDO make install >/dev/null 2>&1
+      $SUDO ldconfig
+
+      # Ensure plugins are in the expected path (handles multiarch differences)
+      $SUDO mkdir -p /usr/local/lib/satdump/plugins
+      if [ -z "$(ls /usr/local/lib/satdump/plugins/*.so 2>/dev/null)" ]; then
+        for dir in /usr/local/lib/*/satdump/plugins /usr/lib/*/satdump/plugins /usr/lib/satdump/plugins; do
+          if [ -d "$dir" ] && [ -n "$(ls "$dir"/*.so 2>/dev/null)" ]; then
+            $SUDO ln -sf "$dir"/*.so /usr/local/lib/satdump/plugins/
+            break
+          fi
+        done
+      fi
+
+      ok "SatDump installed successfully."
+    else
+      kill $progress_pid 2>/dev/null; wait $progress_pid 2>/dev/null
+      warn "Failed to build SatDump from source. Weather satellite decoding will not be available."
+      warn "Build log (last 30 lines):"
+      tail -30 "$build_log" | while IFS= read -r line; do warn "  $line"; done
+    fi
+  )
+}
+
+install_satdump_macos() {
+  info "Installing SatDump v1.2.2 from pre-built release (weather satellite decoder)..."
+
+  # Determine architecture
+  local arch
+  arch="$(uname -m)"
+  local dmg_name
+  if [ "$arch" = "arm64" ]; then
+    dmg_name="SatDump-macOS-Silicon.dmg"
+  else
+    dmg_name="SatDump-macOS-Intel.dmg"
+  fi
+
+  local dmg_url="https://github.com/SatDump/SatDump/releases/download/1.2.2/${dmg_name}"
+  local install_dir="/usr/local/lib/satdump"
+
+  # Run in subshell to isolate EXIT trap
+  (
+    tmp_dir="$(mktemp -d)"
+    trap 'hdiutil detach "$tmp_dir/mnt" -quiet 2>/dev/null || true; rm -rf "$tmp_dir"' EXIT
+
+    info "Downloading ${dmg_name}..."
+    if ! curl -sL -o "$tmp_dir/satdump.dmg" "$dmg_url"; then
+      warn "Failed to download SatDump. Weather satellite decoding will not be available."
+      exit 1
+    fi
+
+    info "Installing SatDump..."
+    # Mount the DMG
+    hdiutil attach "$tmp_dir/satdump.dmg" -nobrowse -quiet -mountpoint "$tmp_dir/mnt" \
+      || { warn "Failed to mount SatDump DMG"; exit 1; }
+
+    local app_dir="$tmp_dir/mnt/SatDump.app"
+    if [ ! -d "$app_dir" ]; then
+      warn "SatDump.app not found in DMG"
+      exit 1
+    fi
+
+    # Install: copy app contents to /usr/local/lib/satdump
+    refresh_sudo
+    $SUDO mkdir -p "$install_dir"
+    $SUDO cp -R "$app_dir/Contents/MacOS/"* "$install_dir/"
+    $SUDO cp -R "$app_dir/Contents/Resources/"* "$install_dir/"
+
+    # Create wrapper script so satdump can find its resources via @executable_path
+    $SUDO tee /usr/local/bin/satdump >/dev/null <<'WRAPPER'
+#!/bin/sh
+exec /usr/local/lib/satdump/satdump "$@"
+WRAPPER
+    $SUDO chmod +x /usr/local/bin/satdump
+
+    hdiutil detach "$tmp_dir/mnt" -quiet 2>/dev/null
+
+    # Verify installation
+    if /usr/local/lib/satdump/satdump 2>&1 | grep -q "Usage"; then
+      ok "SatDump v1.2.2 installed successfully."
+    else
+      warn "SatDump installed but may not work correctly."
+    fi
+  )
+}
+
 install_macos_packages() {
-  TOTAL_STEPS=17
+  need_sudo
+
+  # Prime sudo credentials upfront so builds don't prompt mid-compilation
+  if [[ -n "${SUDO:-}" ]]; then
+    info "Some tools require sudo to install. You may be prompted for your password."
+    sudo -v || { fail "sudo authentication failed"; exit 1; }
+  fi
+
+  TOTAL_STEPS=22
   CURRENT_STEP=0
 
   progress "Checking Homebrew"
@@ -663,8 +926,8 @@ install_macos_packages() {
   progress "Installing direwolf (APRS decoder)"
   (brew_install direwolf) || warn "direwolf not available via Homebrew"
 
-  progress "Skipping slowrx (SSTV decoder)"
-  warn "slowrx requires ALSA (Linux-only) and cannot build on macOS. Skipping."
+  progress "SSTV decoder"
+  ok "SSTV uses built-in pure Python decoder (no external tools needed)"
 
   progress "Installing DSD (Digital Speech Decoder, optional)"
   if ! cmd_exists dsd && ! cmd_exists dsd-fme; then
@@ -685,6 +948,9 @@ install_macos_packages() {
   progress "Installing rtl_433"
   brew_install rtl_433
 
+  progress "Installing HackRF tools"
+  brew_install hackrf
+
   progress "Installing rtlamr (optional)"
   # rtlamr is optional - used for utility meter monitoring
   if ! cmd_exists rtlamr; then
@@ -713,6 +979,13 @@ install_macos_packages() {
     ok "acarsdec already installed"
   fi
 
+  progress "Installing dumpvdl2"
+  if ! cmd_exists dumpvdl2; then
+    install_dumpvdl2_from_source_macos || warn "dumpvdl2 not available. VDL2 decoding will not be available."
+  else
+    ok "dumpvdl2 already installed"
+  fi
+
   progress "Installing AIS-catcher"
   if ! cmd_exists AIS-catcher && ! cmd_exists aiscatcher; then
     (brew_install aiscatcher) || install_aiscatcher_from_source_macos || warn "AIS-catcher not available"
@@ -720,6 +993,19 @@ install_macos_packages() {
     ok "AIS-catcher already installed"
   fi
 
+  progress "Installing SatDump (optional)"
+  if ! cmd_exists satdump; then
+    echo
+    info "SatDump is used for weather satellite imagery (NOAA APT & Meteor LRPT)."
+    if ask_yes_no "Do you want to install SatDump?"; then
+      install_satdump_macos || warn "SatDump installation failed. Weather satellite decoding will not be available."
+    else
+      warn "Skipping SatDump installation. You can install it later if needed."
+    fi
+  else
+    ok "SatDump already installed"
+  fi
+
   progress "Installing aircrack-ng"
   brew_install aircrack-ng
 
@@ -804,7 +1090,7 @@ install_dump1090_from_source_debian() {
 
     cd "$tmp_dir/dump1090"
     # Remove -Werror to prevent build failures on newer GCC versions
-    sed -i 's/-Werror//g' Makefile 2>/dev/null || sed -i '' 's/-Werror//g' Makefile
+    sed -i 's/-Werror//g' Makefile 2>/dev/null || true
     info "Compiling FlightAware dump1090..."
     if make BLADERF=no RTLSDR=yes >/dev/null 2>&1; then
       $SUDO install -m 0755 dump1090 /usr/local/bin/dump1090
@@ -845,7 +1131,7 @@ install_acarsdec_from_source_debian() {
     mkdir -p build && cd build
 
     info "Compiling acarsdec..."
-    if cmake .. -Drtl=ON >/dev/null 2>&1 && make >/dev/null 2>&1; then
+    if cmake .. -Drtl=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5 >/dev/null 2>&1 && make >/dev/null 2>&1; then
       $SUDO install -m 0755 acarsdec /usr/local/bin/acarsdec
       ok "acarsdec installed successfully."
     else
@@ -854,6 +1140,52 @@ install_acarsdec_from_source_debian() {
   )
 }
 
+install_dumpvdl2_from_source_debian() {
+  info "Building dumpvdl2 from source (with libacars dependency)..."
+
+  apt_install build-essential git cmake \
+    librtlsdr-dev libusb-1.0-0-dev libglib2.0-dev libxml2-dev
+
+  (
+    tmp_dir="$(mktemp -d)"
+    trap 'rm -rf "$tmp_dir"' EXIT
+
+    # Build libacars first
+    info "Cloning libacars..."
+    git clone --depth 1 https://github.com/szpajder/libacars.git "$tmp_dir/libacars" >/dev/null 2>&1 \
+      || { warn "Failed to clone libacars"; exit 1; }
+
+    cd "$tmp_dir/libacars"
+    mkdir -p build && cd build
+
+    info "Compiling libacars..."
+    if cmake .. >/dev/null 2>&1 && make >/dev/null 2>&1; then
+      $SUDO make install >/dev/null 2>&1
+      $SUDO ldconfig
+      ok "libacars installed"
+    else
+      warn "Failed to build libacars."
+      exit 1
+    fi
+
+    # Build dumpvdl2
+    info "Cloning dumpvdl2..."
+    git clone --depth 1 https://github.com/szpajder/dumpvdl2.git "$tmp_dir/dumpvdl2" >/dev/null 2>&1 \
+      || { warn "Failed to clone dumpvdl2"; exit 1; }
+
+    cd "$tmp_dir/dumpvdl2"
+    mkdir -p build && cd build
+
+    info "Compiling dumpvdl2..."
+    if cmake .. >/dev/null 2>&1 && make >/dev/null 2>&1; then
+      $SUDO install -m 0755 src/dumpvdl2 /usr/local/bin/dumpvdl2
+      ok "dumpvdl2 installed successfully."
+    else
+      warn "Failed to build dumpvdl2 from source. VDL2 decoding will not be available."
+    fi
+  )
+}
+
 install_aiscatcher_from_source_debian() {
   info "AIS-catcher not available via APT. Building from source..."
 
@@ -882,37 +1214,6 @@ install_aiscatcher_from_source_debian() {
   )
 }
 
-install_slowrx_from_source_debian() {
-  info "slowrx not available via APT. Building from source..."
-
-  # slowrx uses a simple Makefile, not CMake
-  apt_install build-essential git pkg-config \
-    libfftw3-dev libsndfile1-dev libgtk-3-dev libasound2-dev libpulse-dev
-
-  # Run in subshell to isolate EXIT trap
-  (
-    tmp_dir="$(mktemp -d)"
-    trap 'rm -rf "$tmp_dir"' EXIT
-
-    info "Cloning slowrx..."
-    git clone --depth 1 https://github.com/windytan/slowrx.git "$tmp_dir/slowrx" >/dev/null 2>&1 \
-      || { warn "Failed to clone slowrx"; exit 1; }
-
-    cd "$tmp_dir/slowrx"
-
-    info "Compiling slowrx..."
-    local make_log
-    make_log=$(make 2>&1) || {
-      warn "make failed for slowrx:"
-      echo "$make_log" | tail -20
-      warn "ISS SSTV decoding will not be available."
-      exit 1
-    }
-    $SUDO install -m 0755 slowrx /usr/local/bin/slowrx
-    ok "slowrx installed successfully."
-  )
-}
-
 install_ubertooth_from_source_debian() {
   info "Building Ubertooth from source..."
 
@@ -1048,7 +1349,7 @@ install_debian_packages() {
     export NEEDRESTART_MODE=a
   fi
 
-  TOTAL_STEPS=22
+  TOTAL_STEPS=28
   CURRENT_STEP=0
 
   progress "Updating APT package lists"
@@ -1104,8 +1405,8 @@ install_debian_packages() {
   progress "Installing direwolf (APRS decoder)"
   apt_install direwolf || true
 
-  progress "Installing slowrx (SSTV decoder)"
-  apt_install slowrx || cmd_exists slowrx || install_slowrx_from_source_debian || warn "slowrx not available. ISS SSTV decoding will not be available."
+  progress "SSTV decoder"
+  ok "SSTV uses built-in pure Python decoder (no external tools needed)"
 
   progress "Installing DSD (Digital Speech Decoder, optional)"
   if ! cmd_exists dsd && ! cmd_exists dsd-fme; then
@@ -1126,6 +1427,9 @@ install_debian_packages() {
   progress "Installing rtl_433"
   apt_try_install_any rtl-433 rtl433 || warn "rtl-433 not available"
 
+  progress "Installing HackRF tools"
+  apt_install hackrf || warn "hackrf tools not available"
+
   progress "Installing rtlamr (optional)"
   # rtlamr is optional - used for utility meter monitoring
   if ! cmd_exists rtlamr; then
@@ -1187,7 +1491,7 @@ install_debian_packages() {
   fi
   if ! cmd_exists dump1090; then
     if cmd_exists dump1090-mutability; then
-      $SUDO ln -s $(which dump1090-mutability) /usr/local/sbin/dump1090
+      $SUDO ln -s "$(which dump1090-mutability)" /usr/local/sbin/dump1090
     fi
   fi
   cmd_exists dump1090 || install_dump1090_from_source_debian
@@ -1198,6 +1502,13 @@ install_debian_packages() {
   fi
   cmd_exists acarsdec || install_acarsdec_from_source_debian
 
+  progress "Installing dumpvdl2"
+  if ! cmd_exists dumpvdl2; then
+    install_dumpvdl2_from_source_debian || warn "dumpvdl2 not available. VDL2 decoding will not be available."
+  else
+    ok "dumpvdl2 already installed"
+  fi
+
   progress "Installing AIS-catcher"
   if ! cmd_exists AIS-catcher && ! cmd_exists aiscatcher; then
     install_aiscatcher_from_source_debian
@@ -1205,6 +1516,19 @@ install_debian_packages() {
     ok "AIS-catcher already installed"
   fi
 
+  progress "Installing SatDump (optional)"
+  if ! cmd_exists satdump; then
+    echo
+    info "SatDump is used for weather satellite imagery (NOAA APT & Meteor LRPT)."
+    if ask_yes_no "Do you want to install SatDump?"; then
+      install_satdump_from_source_debian || warn "SatDump build failed. Weather satellite decoding will not be available."
+    else
+      warn "Skipping SatDump installation. You can install it later if needed."
+    fi
+  else
+    ok "SatDump already installed"
+  fi
+
   progress "Configuring udev rules"
   setup_udev_rules_debian
 
@@ -1254,6 +1578,14 @@ final_summary_and_hard_fail() {
       exit 1
     fi
   fi
+
+  if [[ "${#missing_recommended[@]}" -gt 0 ]]; then
+    echo
+    warn "Missing RECOMMENDED tools (some features will not work):"
+    for t in "${missing_recommended[@]}"; do echo "  - $t"; done
+    echo
+    warn "Install these for full functionality"
+  fi
 }
 
 # ----------------------------
@@ -1300,6 +1632,19 @@ main() {
   fi
 
   install_python_deps
+
+  # Download leaflet-heat plugin (offline mode)
+  if [ ! -f "static/vendor/leaflet-heat/leaflet-heat.js" ]; then
+    info "Downloading leaflet-heat plugin..."
+    mkdir -p static/vendor/leaflet-heat
+    if curl -sL "https://unpkg.com/leaflet.heat@0.2.0/dist/leaflet-heat.js" \
+        -o static/vendor/leaflet-heat/leaflet-heat.js; then
+      ok "leaflet-heat plugin downloaded"
+    else
+      warn "Failed to download leaflet-heat plugin. Heatmap will use CDN."
+    fi
+  fi
+
   final_summary_and_hard_fail
 }
 

static/css/adsb_dashboard.css

@@ -5,8 +5,8 @@
 }
 
 :root {
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
     --bg-dark: #0b1118;
     --bg-panel: #101823;
     --bg-card: #151f2b;
@@ -31,8 +31,11 @@ body {
     font-family: var(--font-sans);
     background: var(--bg-dark);
     color: var(--text-primary);
-    min-height: 100vh;
-    overflow-x: hidden;
+    height: 100dvh;
+    height: 100vh; /* Fallback */
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
 }
 
 /* Animated radar sweep background */
@@ -227,16 +230,14 @@ body {
 }
 
 /* Main dashboard grid - Mobile first */
-/* Header ~52px + Nav 44px + Stats strip ~55px = ~151px, using 160px for safety */
 .dashboard {
     position: relative;
     z-index: 10;
     display: flex;
     flex-direction: column;
     gap: 0;
-    height: calc(100dvh - 160px);
-    height: calc(100vh - 160px); /* Fallback */
-    min-height: 400px;
+    flex: 1;
+    min-height: 0;
 }
 
 /* Tablet: Two-column layout */
@@ -249,13 +250,29 @@ body {
     }
 }
 
-/* Desktop: Full layout with ACARS */
+/* Desktop: Full layout with ACARS/VDL2 + map + sidebar */
 @media (min-width: 1024px) {
     .dashboard {
         grid-template-columns: auto 1fr 300px;
     }
 }
 
+/* Left sidebars wrapper (ACARS + VDL2) */
+.left-sidebars {
+    display: none;
+}
+
+@media (min-width: 1024px) {
+    .left-sidebars {
+        display: flex;
+        flex-direction: row;
+        grid-column: 1;
+        grid-row: 1;
+        height: 100%;
+        overflow: hidden;
+    }
+}
+
 /* ACARS sidebar (left of map) - Collapsible */
 .acars-sidebar {
     display: none;
@@ -267,12 +284,10 @@ body {
     min-height: 0;
 }
 
-/* Show ACARS sidebar on desktop */
-@media (min-width: 1024px) {
-    .acars-sidebar {
-        display: flex;
-        max-height: calc(100dvh - 160px);
-    }
+/* Show ACARS sidebar inside wrapper */
+.left-sidebars .acars-sidebar {
+    display: flex;
+    height: 100%;
 }
 
 .acars-collapse-btn {
@@ -419,6 +434,335 @@ body {
     to { opacity: 1; transform: translateY(0); }
 }
 
+/* VDL2 sidebar (left of map, after ACARS) - Collapsible */
+.vdl2-sidebar {
+    display: none;
+    background: var(--bg-panel);
+    border-right: 1px solid var(--border-color);
+    flex-direction: row;
+    overflow: hidden;
+    height: 100%;
+    min-height: 0;
+}
+
+/* Show VDL2 sidebar inside wrapper */
+.left-sidebars .vdl2-sidebar {
+    display: flex;
+    height: 100%;
+}
+
+.vdl2-collapse-btn {
+    width: 28px;
+    min-width: 28px;
+    background: var(--bg-card);
+    border: none;
+    border-left: 1px solid var(--border-color);
+    color: var(--accent-cyan);
+    cursor: pointer;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    padding: 8px 0;
+    transition: background 0.2s;
+}
+
+.vdl2-collapse-btn:hover {
+    background: rgba(74, 158, 255, 0.2);
+}
+
+.vdl2-collapse-label {
+    writing-mode: vertical-rl;
+    text-orientation: mixed;
+    font-size: 9px;
+    font-weight: 600;
+    letter-spacing: 1px;
+    text-transform: uppercase;
+}
+
+.vdl2-sidebar.collapsed .vdl2-collapse-label {
+    display: block;
+}
+
+.vdl2-sidebar:not(.collapsed) .vdl2-collapse-label {
+    display: none;
+}
+
+#vdl2CollapseIcon {
+    font-size: 10px;
+    transition: transform 0.3s;
+}
+
+.vdl2-sidebar.collapsed #vdl2CollapseIcon {
+    transform: rotate(180deg);
+}
+
+.vdl2-sidebar-content {
+    width: 300px;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+    transition: width 0.3s ease, opacity 0.2s ease;
+    height: 100%;
+    min-height: 0;
+}
+
+.vdl2-sidebar.collapsed .vdl2-sidebar-content {
+    width: 0;
+    opacity: 0;
+    pointer-events: none;
+}
+
+.vdl2-sidebar .panel {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    border: none;
+    border-radius: 0;
+    min-height: 0;
+    overflow: hidden;
+}
+
+.vdl2-sidebar .panel::before {
+    display: none;
+}
+
+.vdl2-sidebar .panel-header {
+    flex-shrink: 0;
+}
+
+.vdl2-sidebar #vdl2PanelContent {
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+    min-height: 0;
+    overflow: hidden;
+}
+
+.vdl2-sidebar .vdl2-info,
+.vdl2-sidebar .vdl2-controls {
+    flex-shrink: 0;
+}
+
+.vdl2-sidebar .vdl2-messages {
+    flex: 1;
+    overflow-y: auto;
+    min-height: 0;
+}
+
+.vdl2-sidebar .vdl2-btn {
+    background: var(--accent-green);
+    border: none;
+    color: #fff;
+    padding: 6px 10px;
+    font-size: 10px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.2s;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    border-radius: 4px;
+}
+
+.vdl2-sidebar .vdl2-btn:hover {
+    background: #1db954;
+    box-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
+}
+
+.vdl2-sidebar .vdl2-btn.active {
+    background: var(--accent-red);
+}
+
+.vdl2-sidebar .vdl2-btn.active:hover {
+    background: #dc2626;
+    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
+}
+
+.vdl2-message-item {
+    padding: 8px 10px;
+    border-bottom: 1px solid var(--border-color);
+    font-size: 10px;
+    animation: fadeIn 0.3s ease;
+    cursor: pointer;
+    transition: background 0.2s;
+}
+
+.vdl2-message-item:hover {
+    background: rgba(74, 158, 255, 0.08);
+}
+
+/* VDL2 Message Modal */
+.vdl2-modal-overlay {
+    position: fixed;
+    inset: 0;
+    background: rgba(0, 0, 0, 0.6);
+    backdrop-filter: blur(4px);
+    z-index: 10000;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    animation: vdl2ModalFadeIn 0.15s ease;
+}
+
+@keyframes vdl2ModalFadeIn {
+    from { opacity: 0; }
+    to { opacity: 1; }
+}
+
+.vdl2-modal {
+    background: var(--bg-panel, #1a1a2e);
+    border: 1px solid var(--accent-cyan, #4a9eff);
+    border-radius: 8px;
+    width: 520px;
+    max-width: 90vw;
+    max-height: 80vh;
+    display: flex;
+    flex-direction: column;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 1px var(--accent-cyan, #4a9eff);
+    animation: vdl2ModalSlideIn 0.15s ease;
+}
+
+@keyframes vdl2ModalSlideIn {
+    from { opacity: 0; transform: scale(0.95) translateY(10px); }
+    to { opacity: 1; transform: scale(1) translateY(0); }
+}
+
+.vdl2-modal-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 14px 18px;
+    border-bottom: 1px solid var(--border-color);
+    flex-shrink: 0;
+}
+
+.vdl2-modal-title {
+    font-size: 14px;
+    font-weight: 700;
+    color: var(--accent-cyan, #4a9eff);
+    letter-spacing: 0.5px;
+}
+
+.vdl2-modal-time {
+    font-size: 11px;
+    color: var(--text-muted);
+}
+
+.vdl2-modal-close {
+    background: none;
+    border: 1px solid var(--border-color);
+    color: var(--text-muted);
+    width: 28px;
+    height: 28px;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 14px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: all 0.15s;
+    margin-left: 12px;
+}
+
+.vdl2-modal-close:hover {
+    background: rgba(239, 68, 68, 0.15);
+    border-color: var(--accent-red, #ef4444);
+    color: var(--accent-red, #ef4444);
+}
+
+.vdl2-modal-body {
+    padding: 16px 18px;
+    overflow-y: auto;
+    flex: 1;
+    min-height: 0;
+}
+
+.vdl2-modal-section {
+    margin-bottom: 14px;
+}
+
+.vdl2-modal-section:last-child {
+    margin-bottom: 0;
+}
+
+.vdl2-modal-section-title {
+    font-size: 9px;
+    font-weight: 700;
+    color: var(--text-muted);
+    text-transform: uppercase;
+    letter-spacing: 1.5px;
+    margin-bottom: 8px;
+}
+
+.vdl2-modal-grid {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 6px 16px;
+}
+
+.vdl2-modal-field {
+    display: flex;
+    flex-direction: column;
+    gap: 1px;
+}
+
+.vdl2-modal-field-label {
+    font-size: 10px;
+    color: var(--text-dim);
+}
+
+.vdl2-modal-field-value {
+    font-size: 12px;
+    color: var(--text-primary);
+    font-weight: 500;
+}
+
+.vdl2-modal-msg-body {
+    padding: 10px 12px;
+    background: rgba(0, 0, 0, 0.25);
+    border-radius: 4px;
+    font-family: var(--font-mono);
+    font-size: 12px;
+    color: var(--text-primary);
+    white-space: pre-wrap;
+    word-break: break-word;
+    line-height: 1.5;
+    max-height: 250px;
+    overflow-y: auto;
+}
+
+.vdl2-modal-raw-toggle {
+    display: inline-block;
+    margin-top: 10px;
+    font-size: 10px;
+    color: var(--accent-cyan, #4a9eff);
+    cursor: pointer;
+    opacity: 0.7;
+    transition: opacity 0.15s;
+}
+
+.vdl2-modal-raw-toggle:hover {
+    opacity: 1;
+}
+
+.vdl2-modal-raw-json {
+    display: none;
+    margin-top: 8px;
+    padding: 10px 12px;
+    background: rgba(0, 0, 0, 0.3);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+    font-family: var(--font-mono);
+    font-size: 11px;
+    color: var(--text-dim);
+    white-space: pre-wrap;
+    word-break: break-all;
+    max-height: 300px;
+    overflow-y: auto;
+    line-height: 1.4;
+}
+
 /* Panels */
 .panel {
     background: var(--bg-panel);
@@ -495,6 +839,8 @@ body {
     position: relative;
     flex: 1;
     min-height: 300px;
+    min-width: 0;
+    overflow: hidden;
 }
 
 @media (min-width: 768px) {
@@ -526,42 +872,6 @@ body {
     display: block;
 }
 
-#radarOverlayCanvas {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    pointer-events: none;
-    z-index: 500;
-    display: none;
-}
-
-#radarOverlayCanvas.active {
-    display: block;
-}
-
-#radarScope {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    display: none;
-    background: var(--radar-bg);
-}
-
-#radarScope.active {
-    display: flex;
-    justify-content: center;
-    align-items: center;
-}
-
-#radarCanvas {
-    max-width: 100%;
-    max-height: 100%;
-}
-
 /* Right sidebar - Mobile first */
 .sidebar {
     display: flex;
@@ -588,51 +898,21 @@ body {
     }
 }
 
-/* View toggle */
-.view-toggle {
-    display: flex;
-    padding: 10px;
-    gap: 8px;
-    background: var(--bg-panel);
-    border-bottom: 1px solid rgba(74, 158, 255, 0.2);
-}
-
-.view-btn {
-    flex: 1;
-    padding: 10px;
-    border: 1px solid rgba(74, 158, 255, 0.3);
-    background: transparent;
-    color: var(--text-secondary);
-    font-family: 'Orbitron', monospace;
-    font-size: 11px;
-    font-weight: 600;
-    text-transform: uppercase;
-    letter-spacing: 2px;
-    border-radius: 4px;
-    cursor: pointer;
-    transition: all 0.2s ease;
-}
-
-.view-btn:hover {
-    border-color: var(--accent-cyan);
-    color: var(--accent-cyan);
-}
-
-.view-btn.active {
-    background: var(--accent-cyan);
-    border-color: var(--accent-cyan);
-    color: var(--bg-dark);
-}
-
 /* Selected aircraft panel */
 .selected-aircraft {
     flex-shrink: 0;
-    max-height: 480px;
+    max-height: 280px;
     overflow-y: auto;
 }
 
+@media (min-height: 900px) {
+    .selected-aircraft {
+        max-height: 340px;
+    }
+}
+
 .selected-info {
-    padding: 12px;
+    padding: 8px;
 }
 
 #aircraftPhotoContainer {
@@ -640,7 +920,7 @@ body {
 }
 
 #aircraftPhotoContainer img {
-    max-height: 140px;
+    max-height: 100px;
     width: 100%;
     object-fit: cover;
     border-radius: 6px;
@@ -649,24 +929,24 @@ body {
 
 .selected-callsign {
     font-family: 'Orbitron', monospace;
-    font-size: 20px;
+    font-size: 16px;
     font-weight: 700;
     color: var(--accent-cyan);
     text-shadow: 0 0 15px var(--accent-cyan);
     text-align: center;
-    margin-bottom: 12px;
+    margin-bottom: 6px;
 }
 
 .telemetry-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
-    gap: 6px;
+    gap: 4px;
 }
 
 .telemetry-item {
     background: rgba(0, 0, 0, 0.3);
     border-radius: 4px;
-    padding: 8px;
+    padding: 5px 8px;
     border-left: 2px solid var(--accent-cyan);
 }
 
@@ -776,9 +1056,10 @@ body {
     gap: 8px;
     padding: 8px 15px;
     background: var(--bg-panel);
-    border-top: 1px solid rgba(74, 158, 255, 0.3);
+    border-top: none;
     font-size: 11px;
-    overflow: hidden;
+    overflow-x: auto;
+    overflow-y: hidden;
 }
 
 .controls-bar > .control-group {
@@ -907,6 +1188,15 @@ body {
 .control-group.airband-group {
     background: rgba(245, 158, 11, 0.05);
     border-color: rgba(245, 158, 11, 0.2);
+    flex: 1 1 auto;
+    min-width: 0;
+}
+
+.control-group.airband-group > .control-group-items {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    gap: 5px;
 }
 
 .control-group.airband-group .control-group-label {
@@ -1010,6 +1300,7 @@ body {
 /* Custom scrollbar */
 ::-webkit-scrollbar {
     width: 6px;
+    height: 6px;
 }
 
 ::-webkit-scrollbar-track {
@@ -1021,6 +1312,15 @@ body {
     border-radius: 3px;
 }
 
+/* Hide scrollbar on controls bar */
+.controls-bar::-webkit-scrollbar {
+    display: none;
+}
+
+.controls-bar {
+    scrollbar-width: none;
+}
+
 /* No aircraft message */
 .no-aircraft {
     text-align: center;
@@ -1289,7 +1589,7 @@ body {
         display: flex !important;
         flex-direction: column !important;
         height: auto !important;
-        min-height: calc(100dvh - 160px);
+        min-height: 400px;
         overflow-y: auto !important;
         overflow-x: hidden;
         -webkit-overflow-scrolling: touch;
@@ -1489,6 +1789,10 @@ body {
     margin-top: 1px;
 }
 
+.strip-stat.source-stat .strip-value {
+    font-size: 14px;
+}
+
 .strip-stat.session-stat {
     background: rgba(34, 197, 94, 0.05);
     border-color: rgba(34, 197, 94, 0.2);
@@ -1779,6 +2083,9 @@ body {
 .strip-btn {
     position: relative;
     z-index: 10;
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
     background: rgba(74, 158, 255, 0.1);
     border: 1px solid rgba(74, 158, 255, 0.2);
     color: var(--text-primary);
@@ -1789,6 +2096,12 @@ body {
     cursor: pointer;
     transition: all 0.2s;
     white-space: nowrap;
+    text-decoration: none;
+}
+
+.strip-btn svg {
+    flex-shrink: 0;
+    opacity: 0.7;
 }
 
 .strip-btn:hover:not(:disabled) {

static/css/adsb_history.css

@@ -5,8 +5,8 @@
 }
 
 :root {
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
     --bg-dark: #0b1118;
     --bg-panel: #101823;
     --bg-card: #151f2b;

static/css/ais_dashboard.css

@@ -8,8 +8,8 @@
 }
 
 :root {
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
     --bg-dark: #0b1118;
     --bg-panel: #101823;
     --bg-card: #151f2b;
@@ -496,7 +496,7 @@ body {
     padding: 10px 15px;
     background: rgba(74, 158, 255, 0.05);
     border-bottom: 1px solid rgba(74, 158, 255, 0.1);
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 11px;
     font-weight: 500;
     letter-spacing: 2px;
@@ -568,7 +568,7 @@ body {
 }
 
 .vessel-name {
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 16px;
     font-weight: 700;
     color: var(--accent-cyan);
@@ -662,7 +662,7 @@ body {
 }
 
 .vessel-item-name {
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 12px;
     font-weight: 600;
     color: var(--accent-cyan);
@@ -1223,7 +1223,7 @@ body {
 }
 
 .dsc-distress-alert .dsc-alert-header {
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 24px;
     font-weight: 700;
     color: var(--accent-red);

static/css/components/function-strip.css

@@ -19,6 +19,17 @@
     min-width: max-content;
 }
 
+/* Strip title badge */
+.function-strip .strip-title {
+    font-size: 9px;
+    font-weight: 700;
+    letter-spacing: 1.5px;
+    text-transform: uppercase;
+    color: var(--text-muted);
+    white-space: nowrap;
+    padding: 4px 0;
+}
+
 /* Stats */
 .function-strip .strip-stat {
     display: flex;

static/css/core/variables.css

@@ -78,8 +78,8 @@
     /* ============================================
        TYPOGRAPHY
        ============================================ */
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
 
     /* Font sizes */
     --text-xs: 10px;

static/css/fonts-local.css

@@ -1,18 +1,20 @@
 /* Local font declarations for offline mode */
+/* Roboto Condensed - variable font, one file covers all weights */
 
-/* Space Mono - Console font */
 @font-face {
-    font-family: 'Space Mono';
+    font-family: 'Roboto Condensed';
     font-style: normal;
-    font-weight: 400;
+    font-weight: 300 700;
     font-display: swap;
-    src: url('/static/vendor/fonts/SpaceMono-Regular.woff2') format('woff2');
+    src: url('/static/vendor/fonts/RobotoCondensed-Latin.woff2') format('woff2');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
 }
 
 @font-face {
-    font-family: 'Space Mono';
+    font-family: 'Roboto Condensed';
     font-style: normal;
-    font-weight: 700;
+    font-weight: 300 700;
     font-display: swap;
-    src: url('/static/vendor/fonts/SpaceMono-Bold.woff2') format('woff2');
+    src: url('/static/vendor/fonts/RobotoCondensed-LatinExt.woff2') format('woff2');
+    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
 }

static/css/global-nav.css

@@ -30,7 +30,7 @@
     border-bottom: 1px solid var(--border-color, #202833);
     padding: 0 20px;
     position: relative;
-    z-index: 100;
+    z-index: 1100;
     backdrop-filter: blur(10px);
 }
 
@@ -434,6 +434,6 @@ a.nav-dashboard-btn:hover {
 }
 
 .nav-dashboard-btn .nav-label {
-    font-family: var(--font-mono, 'JetBrains Mono', monospace);
+    font-family: var(--font-mono, 'Roboto Condensed', 'Arial Narrow', sans-serif);
     letter-spacing: 0.5px;
 }

static/css/help-modal.css

@@ -14,6 +14,7 @@
     z-index: 10000;
     overflow-y: auto;
     padding: 40px 20px;
+    font-family: var(--font-mono, 'Roboto Condensed', 'Arial Narrow', sans-serif);
 }
 
 .help-modal.active {
@@ -26,37 +27,41 @@
     background: var(--bg-card, var(--bg-secondary, #0f1218));
     border: 1px solid var(--border-color, #1f2937);
     border-radius: 8px;
-    padding: 30px;
+    padding: 24px;
     position: relative;
 }
 
 .help-content h2 {
     color: var(--accent-cyan, #4a9eff);
-    margin-bottom: 20px;
-    font-size: 24px;
+    margin-bottom: 16px;
+    font-size: 15px;
     letter-spacing: 2px;
+    text-transform: uppercase;
+    font-weight: 600;
 }
 
 .help-content h3 {
     color: var(--text-primary, #e8eaed);
-    margin: 25px 0 15px 0;
-    font-size: 14px;
+    margin: 20px 0 10px 0;
+    font-size: 11px;
     text-transform: uppercase;
     letter-spacing: 1px;
     border-bottom: 1px solid var(--border-color, #1f2937);
-    padding-bottom: 8px;
+    padding-bottom: 6px;
+    font-weight: 600;
 }
 
 .help-close {
     position: absolute;
-    top: 15px;
-    right: 15px;
+    top: 12px;
+    right: 12px;
     background: none;
     border: none;
     color: var(--text-dim, #4b5563);
-    font-size: 24px;
+    font-size: 20px;
     cursor: pointer;
     transition: color 0.2s;
+    line-height: 1;
 }
 
 .help-close:hover {
@@ -66,43 +71,54 @@
 .help-modal .icon-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
-    gap: 12px;
-    margin: 15px 0;
+    gap: 8px;
+    margin: 10px 0;
 }
 
 .help-modal .icon-item {
     display: flex;
     align-items: center;
-    gap: 10px;
-    padding: 10px;
+    gap: 8px;
+    padding: 6px 8px;
     background: var(--bg-primary, #0a0c10);
     border: 1px solid var(--border-color, #1f2937);
     border-radius: 4px;
-    font-size: 12px;
+    font-size: 11px;
 }
 
 .help-modal .icon-item .icon {
-    font-size: 18px;
-    width: 30px;
-    text-align: center;
+    width: 20px;
+    height: 20px;
+    flex-shrink: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.help-modal .icon-item .icon svg {
+    width: 16px;
+    height: 16px;
 }
 
 .help-modal .icon-item .desc {
     color: var(--text-secondary, #9ca3af);
+    font-size: 10.5px;
+    line-height: 1.3;
 }
 
 .help-modal .tip-list {
     list-style: none;
     padding: 0;
-    margin: 15px 0;
+    margin: 10px 0;
 }
 
 .help-modal .tip-list li {
-    padding: 8px 0;
-    padding-left: 20px;
+    padding: 5px 0;
+    padding-left: 16px;
     position: relative;
     color: var(--text-secondary, #9ca3af);
-    font-size: 13px;
+    font-size: 11px;
+    line-height: 1.5;
     border-bottom: 1px solid var(--border-color, #1f2937);
 }
 
@@ -118,10 +134,15 @@
     font-weight: bold;
 }
 
+.help-modal .tip-list li strong {
+    color: var(--text-primary, #e8eaed);
+    font-weight: 600;
+}
+
 .help-tabs {
     display: flex;
     gap: 0;
-    margin-bottom: 20px;
+    margin-bottom: 16px;
     border: 1px solid var(--border-color, #1f2937);
     border-radius: 4px;
     overflow: hidden;
@@ -129,12 +150,13 @@
 
 .help-tab {
     flex: 1;
-    padding: 10px;
+    padding: 8px;
     background: var(--bg-primary, #0a0c10);
     border: none;
     color: var(--text-secondary, #9ca3af);
     cursor: pointer;
-    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', 'Arial Narrow', sans-serif);
+    font-size: 10px;
     text-transform: uppercase;
     letter-spacing: 1px;
     transition: all 0.15s ease;
@@ -176,9 +198,9 @@
 /* Ensure code tags are styled */
 .help-modal code {
     background: var(--bg-tertiary, #151a23);
-    padding: 2px 6px;
+    padding: 1px 5px;
     border-radius: 3px;
-    font-family: var(--font-mono, 'JetBrains Mono', monospace);
-    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', 'Arial Narrow', sans-serif);
+    font-size: 10.5px;
     color: var(--accent-cyan, #4a9eff);
 }

static/css/index.css

@@ -5,8 +5,8 @@
 }
 
 :root {
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
     /* Tactical dark palette */
     --bg-primary: #0b1118;
     --bg-secondary: #101823;
@@ -706,6 +706,8 @@ header h1 {
     background: var(--bg-tertiary);
     border-bottom: 1px solid var(--border-color);
     padding: 0 20px;
+    position: relative;
+    z-index: 1100;
 }
 
 @media (min-width: 1024px) {
@@ -1448,6 +1450,7 @@ header h1 .tagline {
     height: calc(100dvh - 96px);
     height: calc(100vh - 96px); /* Fallback */
     overflow: hidden;
+    position: relative;
 }
 
 @media (min-width: 1024px) {
@@ -1457,6 +1460,18 @@ header h1 .tagline {
         height: calc(100dvh - 96px);
         height: calc(100vh - 96px); /* Fallback */
     }
+
+    .main-content.sidebar-collapsed {
+        grid-template-columns: 0 1fr;
+    }
+
+    .main-content.sidebar-collapsed > .sidebar {
+        width: 0;
+        min-width: 0;
+        padding: 0;
+        border-right: 0;
+        overflow: hidden;
+    }
 }
 
 .sidebar {
@@ -1480,6 +1495,63 @@ header h1 .tagline {
     display: none;
 }
 
+.sidebar-collapse-btn {
+    width: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    padding: 8px 10px;
+    margin-bottom: 6px;
+    border: 1px solid var(--border-color);
+    background: var(--bg-tertiary);
+    color: var(--text-secondary);
+    border-radius: 6px;
+    cursor: pointer;
+    font-family: var(--font-mono);
+    font-size: 10px;
+    text-transform: uppercase;
+    letter-spacing: 0.06em;
+}
+
+.sidebar-collapse-btn:hover {
+    border-color: var(--accent-cyan);
+    color: var(--accent-cyan);
+}
+
+.sidebar-expand-handle {
+    display: none;
+    position: absolute;
+    top: 12px;
+    left: 10px;
+    z-index: 12;
+    width: 28px;
+    height: 28px;
+    align-items: center;
+    justify-content: center;
+    border: 1px solid var(--border-color);
+    background: var(--bg-tertiary);
+    color: var(--accent-cyan);
+    border-radius: 6px;
+    cursor: pointer;
+}
+
+.main-content.sidebar-collapsed .sidebar-expand-handle {
+    display: inline-flex;
+}
+
+/* Reserve space for the expand handle so it doesn't overlap mode titles */
+.main-content.sidebar-collapsed .output-header {
+    padding-left: 48px;
+}
+
+@media (max-width: 1023px) {
+    .sidebar-collapse-btn,
+    .sidebar-expand-handle {
+        display: none !important;
+    }
+}
+
 .section {
     background: var(--bg-tertiary);
     border: 1px solid var(--border-color);
@@ -1528,8 +1600,10 @@ header h1 .tagline {
 
 .section.collapsed h3 {
     border-bottom: none;
-    margin-bottom: 0;
-    padding-bottom: 10px;
+    margin-bottom: 0 !important;
+    min-height: 0 !important;
+    padding-top: 10px !important;
+    padding-bottom: 10px !important;
 }
 
 .section.collapsed h3::after {
@@ -1538,7 +1612,8 @@ header h1 .tagline {
 }
 
 .section.collapsed {
-    padding-bottom: 0;
+    padding-bottom: 0 !important;
+    min-height: 0;
 }
 
 .section.collapsed>*:not(h3) {
@@ -2313,6 +2388,45 @@ header h1 .tagline {
     display: block;
 }
 
+/* Normalize spacing for all sidebar mode panels */
+.sidebar .mode-content.active:not(#meshtasticMode) {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.sidebar .mode-content.active:not(#meshtasticMode) > * {
+    margin: 0 !important;
+}
+
+.sidebar .mode-content.active:not(#meshtasticMode) > .section {
+    margin: 0 !important;
+}
+
+.mode-actions-bottom {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.sidebar .mode-content.active:not(#meshtasticMode) > .mode-actions-bottom {
+    margin-top: auto !important;
+}
+
+#btMessageContainer:empty {
+    display: none;
+}
+
+.alpha-mode-notice {
+    padding: 8px 10px;
+    border: 1px solid rgba(245, 158, 11, 0.45);
+    background: rgba(245, 158, 11, 0.12);
+    color: var(--accent-yellow);
+    border-radius: 6px;
+    font-size: 10px;
+    line-height: 1.45;
+}
+
 /* Aircraft (ADS-B) Styles */
 .aircraft-card {
     padding: 12px;
@@ -4007,7 +4121,7 @@ header h1 .tagline {
     border: 1px solid var(--border-color);
     border-radius: 6px;
     flex-shrink: 0;
-    height: 140px;
+    max-height: 340px;
     overflow: hidden;
 }
 
@@ -4028,7 +4142,9 @@ header h1 .tagline {
 
 .bt-detail-body {
     padding: 8px 10px;
-    height: calc(100% - 30px);
+    height: auto;
+    max-height: calc(100% - 30px);
+    overflow-y: auto;
 }
 
 .bt-detail-placeholder {
@@ -4201,6 +4317,116 @@ header h1 .tagline {
     color: #000;
 }
 
+.bt-detail-btn.active {
+    background: rgba(34, 197, 94, 0.2);
+    border-color: rgba(34, 197, 94, 0.6);
+    color: #9fffd1;
+}
+
+/* Service Data Inspector */
+.bt-detail-service-inspector {
+    margin-bottom: 6px;
+}
+
+.bt-inspector-toggle {
+    font-size: 10px;
+    color: var(--accent-cyan);
+    cursor: pointer;
+    padding: 3px 0;
+    user-select: none;
+}
+
+.bt-inspector-toggle:hover {
+    color: #fff;
+}
+
+.bt-inspector-arrow {
+    display: inline-block;
+    transition: transform 0.2s;
+    font-size: 9px;
+}
+
+.bt-inspector-arrow.open {
+    transform: rotate(90deg);
+}
+
+.bt-inspector-content {
+    background: var(--bg-secondary);
+    border-radius: 3px;
+    padding: 6px 8px;
+    margin-top: 4px;
+    font-family: var(--font-mono);
+    font-size: 9px;
+    color: var(--text-dim);
+    max-height: 100px;
+    overflow-y: auto;
+    word-break: break-all;
+}
+
+.bt-inspector-row {
+    display: flex;
+    justify-content: space-between;
+    gap: 8px;
+    padding: 2px 0;
+    border-bottom: 1px solid rgba(255,255,255,0.04);
+}
+
+.bt-inspector-row:last-child {
+    border-bottom: none;
+}
+
+.bt-inspector-label {
+    color: var(--text-dim);
+    flex-shrink: 0;
+}
+
+.bt-inspector-value {
+    color: var(--text-primary);
+    text-align: right;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+/* MAC Cluster Badge */
+.bt-mac-cluster-badge {
+    display: inline-block;
+    background: rgba(245, 158, 11, 0.2);
+    color: #f59e0b;
+    font-size: 8px;
+    font-weight: 600;
+    padding: 1px 4px;
+    border-radius: 3px;
+    margin-left: 6px;
+    vertical-align: middle;
+}
+
+/* Behavioral Flag Badges */
+.bt-flag-badge {
+    display: inline-block;
+    font-size: 8px;
+    font-weight: 600;
+    padding: 1px 4px;
+    border-radius: 3px;
+    margin-left: 3px;
+    vertical-align: middle;
+}
+
+.bt-flag-badge.persistent {
+    background: rgba(245, 158, 11, 0.15);
+    color: #f59e0b;
+}
+
+.bt-flag-badge.beacon-like {
+    background: rgba(59, 130, 246, 0.15);
+    color: #3b82f6;
+}
+
+.bt-flag-badge.strong-stable {
+    background: rgba(34, 197, 94, 0.15);
+    color: #22c55e;
+}
+
 /* Selected device highlight */
 .bt-device-row.selected {
     background: rgba(0, 212, 255, 0.1);
@@ -4351,14 +4577,15 @@ header h1 .tagline {
 .bt-row-main {
     display: flex;
     justify-content: space-between;
-    align-items: center;
+    align-items: flex-start;
     gap: 12px;
 }
 
 .bt-row-left {
     display: flex;
-    align-items: center;
-    gap: 8px;
+    align-items: baseline;
+    flex-wrap: wrap;
+    gap: 4px 8px;
     min-width: 0;
     flex: 1;
 }
@@ -4392,13 +4619,36 @@ header h1 .tagline {
     border: 1px solid rgba(139, 92, 246, 0.3);
 }
 
+.bt-history-badge {
+    display: inline-block;
+    padding: 1px 4px;
+    border-radius: 3px;
+    font-size: 8px;
+    font-weight: 600;
+    letter-spacing: 0.2px;
+    background: rgba(34, 197, 94, 0.15);
+    color: #22c55e;
+}
+
+.bt-irk-badge {
+    display: inline-block;
+    padding: 1px 4px;
+    border-radius: 3px;
+    font-size: 9px;
+    font-weight: 600;
+    letter-spacing: 0.3px;
+    background: rgba(168, 85, 247, 0.15);
+    color: #a855f7;
+    border: 1px solid rgba(168, 85, 247, 0.3);
+}
+
 .bt-device-name {
     font-size: 13px;
     font-weight: 600;
     color: var(--text-primary);
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
+    overflow-wrap: break-word;
+    word-break: break-word;
+    min-width: 0;
 }
 
 .bt-rssi-container {
@@ -4455,6 +4705,12 @@ header h1 .tagline {
     text-overflow: ellipsis;
 }
 
+.bt-row-actions {
+    display: flex;
+    justify-content: flex-end;
+    padding: 4px 4px 0 42px;
+}
+
 /* Bluetooth Device Modal */
 .bt-modal-overlay {
     position: fixed;
@@ -6116,7 +6372,7 @@ body::before {
 }
 
 .module-header {
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 10px;
     font-weight: 600;
     color: var(--accent-cyan);
@@ -6294,7 +6550,7 @@ body::before {
 /* Listening Mode Selector Buttons */
 .radio-mode-btn {
     padding: 12px 24px;
-    font-family: 'Orbitron', 'Space Mono', monospace;
+    font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
     font-size: 13px;
     font-weight: 600;
     text-transform: uppercase;

static/css/modes/analytics.css

@@ -0,0 +1,266 @@
+/* Analytics Dashboard Styles */
+
+/* Analytics is a sidebar-only mode — hide the output panel and expand the sidebar */
+@media (min-width: 1024px) {
+    .main-content.analytics-active {
+        grid-template-columns: 1fr !important;
+    }
+    .main-content.analytics-active > .output-panel {
+        display: none !important;
+    }
+    .main-content.analytics-active > .sidebar {
+        max-width: 100% !important;
+        width: 100% !important;
+    }
+    .main-content.analytics-active .sidebar-collapse-btn {
+        display: none !important;
+    }
+}
+
+@media (max-width: 1023px) {
+    .main-content.analytics-active > .output-panel {
+        display: none !important;
+    }
+}
+
+.analytics-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
+    gap: var(--space-3, 12px);
+    margin-bottom: var(--space-4, 16px);
+}
+
+.analytics-card {
+    background: var(--bg-card, #151f2b);
+    border: 1px solid var(--border-color, #1e2d3d);
+    border-radius: var(--radius-md, 8px);
+    padding: var(--space-3, 12px);
+    text-align: center;
+    transition: var(--transition-fast, 150ms ease);
+}
+
+.analytics-card:hover {
+    border-color: var(--accent-cyan, #4aa3ff);
+}
+
+.analytics-card .card-count {
+    font-size: var(--text-2xl, 24px);
+    font-weight: 700;
+    color: var(--text-primary, #e0e6ed);
+    line-height: 1.2;
+}
+
+.analytics-card .card-label {
+    font-size: var(--text-xs, 10px);
+    color: var(--text-dim, #5a6a7a);
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    margin-top: var(--space-1, 4px);
+}
+
+.analytics-card .card-sparkline {
+    height: 24px;
+    margin-top: var(--space-2, 8px);
+}
+
+.analytics-card .card-sparkline svg {
+    width: 100%;
+    height: 100%;
+}
+
+.analytics-card .card-sparkline polyline {
+    fill: none;
+    stroke: var(--accent-cyan, #4aa3ff);
+    stroke-width: 1.5;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+}
+
+/* Health indicators */
+.analytics-health {
+    display: flex;
+    flex-wrap: wrap;
+    gap: var(--space-2, 8px);
+    margin-bottom: var(--space-4, 16px);
+}
+
+.health-item {
+    display: flex;
+    align-items: center;
+    gap: var(--space-1, 4px);
+    font-size: var(--text-xs, 10px);
+    color: var(--text-dim, #5a6a7a);
+    text-transform: uppercase;
+}
+
+.health-dot {
+    width: 6px;
+    height: 6px;
+    border-radius: 50%;
+    background: var(--accent-red, #e25d5d);
+}
+
+.health-dot.running {
+    background: var(--accent-green, #38c180);
+}
+
+/* Emergency squawk panel */
+.squawk-emergency {
+    background: rgba(226, 93, 93, 0.1);
+    border: 1px solid var(--accent-red, #e25d5d);
+    border-radius: var(--radius-md, 8px);
+    padding: var(--space-3, 12px);
+    margin-bottom: var(--space-3, 12px);
+}
+
+.squawk-emergency .squawk-title {
+    color: var(--accent-red, #e25d5d);
+    font-weight: 700;
+    font-size: var(--text-sm, 12px);
+    text-transform: uppercase;
+    margin-bottom: var(--space-2, 8px);
+}
+
+.squawk-emergency .squawk-item {
+    font-size: var(--text-sm, 12px);
+    color: var(--text-primary, #e0e6ed);
+    padding: var(--space-1, 4px) 0;
+    border-bottom: 1px solid rgba(226, 93, 93, 0.2);
+}
+
+.squawk-emergency .squawk-item:last-child {
+    border-bottom: none;
+}
+
+/* Alert feed */
+.analytics-alert-feed {
+    max-height: 200px;
+    overflow-y: auto;
+    margin-bottom: var(--space-4, 16px);
+}
+
+.analytics-alert-item {
+    display: flex;
+    align-items: flex-start;
+    gap: var(--space-2, 8px);
+    padding: var(--space-2, 8px);
+    border-bottom: 1px solid var(--border-color, #1e2d3d);
+    font-size: var(--text-xs, 10px);
+}
+
+.analytics-alert-item .alert-severity {
+    padding: 1px 6px;
+    border-radius: var(--radius-sm, 4px);
+    font-weight: 600;
+    text-transform: uppercase;
+    font-size: 9px;
+    white-space: nowrap;
+}
+
+.alert-severity.critical { background: var(--accent-red, #e25d5d); color: #fff; }
+.alert-severity.high { background: var(--accent-orange, #d6a85e); color: #000; }
+.alert-severity.medium { background: var(--accent-cyan, #4aa3ff); color: #fff; }
+.alert-severity.low { background: var(--border-color, #1e2d3d); color: var(--text-dim, #5a6a7a); }
+
+/* Correlation panel */
+.analytics-correlation-pair {
+    display: flex;
+    align-items: center;
+    gap: var(--space-2, 8px);
+    padding: var(--space-2, 8px);
+    border-bottom: 1px solid var(--border-color, #1e2d3d);
+    font-size: var(--text-xs, 10px);
+}
+
+.analytics-correlation-pair .confidence-bar {
+    height: 4px;
+    background: var(--bg-secondary, #101823);
+    border-radius: 2px;
+    flex: 1;
+    max-width: 60px;
+}
+
+.analytics-correlation-pair .confidence-fill {
+    height: 100%;
+    background: var(--accent-green, #38c180);
+    border-radius: 2px;
+}
+
+/* Geofence zone list */
+.geofence-zone-item {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: var(--space-2, 8px);
+    border-bottom: 1px solid var(--border-color, #1e2d3d);
+    font-size: var(--text-xs, 10px);
+}
+
+.geofence-zone-item .zone-name {
+    font-weight: 600;
+    color: var(--text-primary, #e0e6ed);
+}
+
+.geofence-zone-item .zone-radius {
+    color: var(--text-dim, #5a6a7a);
+}
+
+.geofence-zone-item .zone-delete {
+    cursor: pointer;
+    color: var(--accent-red, #e25d5d);
+    padding: 2px 6px;
+    border: 1px solid var(--accent-red, #e25d5d);
+    border-radius: var(--radius-sm, 4px);
+    background: transparent;
+    font-size: 9px;
+}
+
+/* Export controls */
+.export-controls {
+    display: flex;
+    gap: var(--space-2, 8px);
+    align-items: center;
+    flex-wrap: wrap;
+}
+
+.export-controls select,
+.export-controls button {
+    font-size: var(--text-xs, 10px);
+    padding: var(--space-1, 4px) var(--space-2, 8px);
+    background: var(--bg-card, #151f2b);
+    color: var(--text-primary, #e0e6ed);
+    border: 1px solid var(--border-color, #1e2d3d);
+    border-radius: var(--radius-sm, 4px);
+}
+
+.export-controls button {
+    cursor: pointer;
+    background: var(--accent-cyan, #4aa3ff);
+    color: #fff;
+    border-color: var(--accent-cyan, #4aa3ff);
+}
+
+.export-controls button:hover {
+    opacity: 0.9;
+}
+
+/* Section headers */
+.analytics-section-header {
+    font-size: var(--text-xs, 10px);
+    font-weight: 600;
+    color: var(--text-dim, #5a6a7a);
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    margin-bottom: var(--space-2, 8px);
+    padding-bottom: var(--space-1, 4px);
+    border-bottom: 1px solid var(--border-color, #1e2d3d);
+}
+
+/* Empty state */
+.analytics-empty {
+    text-align: center;
+    color: var(--text-dim, #5a6a7a);
+    font-size: var(--text-xs, 10px);
+    padding: var(--space-4, 16px);
+    font-style: italic;
+}

static/css/modes/aprs.css

@@ -326,3 +326,50 @@
 .aprs-meter-status.no-signal {
     color: var(--accent-yellow);
 }
+
+/* APRS map markers (flat SVG icons) */
+.aprs-map-marker-wrap {
+    background: transparent;
+    border: none;
+}
+
+.aprs-map-marker {
+    display: inline-flex;
+    align-items: center;
+    gap: 5px;
+    padding: 2px 7px 2px 5px;
+    border-radius: 999px;
+    border: 1px solid rgba(74, 158, 255, 0.35);
+    background: rgba(10, 18, 28, 0.88);
+    color: var(--text-primary);
+    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
+}
+
+.aprs-map-marker-icon {
+    display: inline-flex;
+    width: 14px;
+    height: 14px;
+    color: var(--accent-cyan);
+}
+
+.aprs-map-marker-icon svg {
+    width: 14px;
+    height: 14px;
+    display: block;
+    fill: currentColor;
+}
+
+.aprs-map-marker-label {
+    font-size: 9px;
+    font-weight: 600;
+    line-height: 1;
+    letter-spacing: 0.02em;
+}
+
+.aprs-map-marker.vehicle .aprs-map-marker-icon {
+    color: var(--accent-green);
+}
+
+.aprs-map-marker.tower .aprs-map-marker-icon {
+    color: var(--accent-cyan);
+}

static/css/modes/bt_locate.css

@@ -0,0 +1,430 @@
+/* BT Locate Mode Styles */
+
+/* Environment preset grid */
+.btl-env-grid {
+    display: grid;
+    grid-template-columns: 1fr 1fr 1fr;
+    gap: 6px;
+}
+
+.btl-env-btn {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 2px;
+    padding: 8px 4px;
+    background: rgba(255, 255, 255, 0.03);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    border-radius: 6px;
+    cursor: pointer;
+    transition: all 0.2s;
+    color: var(--text-secondary);
+}
+
+.btl-env-btn:hover {
+    background: rgba(255, 255, 255, 0.06);
+    border-color: rgba(255, 255, 255, 0.2);
+}
+
+.btl-env-btn.active {
+    background: rgba(0, 255, 136, 0.1);
+    border-color: var(--accent-green, #00ff88);
+    color: var(--text-primary);
+}
+
+.btl-env-icon {
+    font-size: 18px;
+    line-height: 1;
+}
+
+.btl-env-label {
+    font-size: 10px;
+    font-weight: 600;
+    text-transform: uppercase;
+}
+
+.btl-env-n {
+    font-size: 9px;
+    font-family: var(--font-mono);
+    color: var(--text-dim);
+}
+
+/* ============================================
+   PROXIMITY HUD — main visuals area
+   ============================================ */
+
+.btl-hud {
+    display: flex;
+    flex-direction: column;
+    gap: 0;
+    background: rgba(0, 0, 0, 0.5);
+    border: 1px solid rgba(255, 255, 255, 0.08);
+    border-radius: 8px;
+    flex-shrink: 0;
+    overflow: hidden;
+}
+
+.btl-hud-top {
+    display: flex;
+    align-items: center;
+    gap: 20px;
+    padding: 14px 20px;
+}
+
+.btl-hud-band {
+    font-size: 22px;
+    font-weight: 800;
+    font-family: var(--font-mono);
+    letter-spacing: 2px;
+    padding: 14px 20px;
+    border-radius: 8px;
+    background: rgba(255, 255, 255, 0.03);
+    border: 2px solid rgba(255, 255, 255, 0.1);
+    color: var(--text-dim);
+    text-align: center;
+    min-width: 130px;
+    transition: all 0.3s;
+    flex-shrink: 0;
+}
+
+.btl-hud-band.immediate {
+    color: #ef4444;
+    border-color: #ef4444;
+    background: rgba(239, 68, 68, 0.15);
+    box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
+    animation: btl-pulse 1s ease-in-out infinite;
+}
+
+.btl-hud-band.near {
+    color: #f97316;
+    border-color: #f97316;
+    background: rgba(249, 115, 22, 0.12);
+    box-shadow: 0 0 15px rgba(249, 115, 22, 0.15);
+    animation: btl-pulse 2s ease-in-out infinite;
+}
+
+.btl-hud-band.far {
+    color: #eab308;
+    border-color: #eab308;
+    background: rgba(234, 179, 8, 0.1);
+    box-shadow: 0 0 10px rgba(234, 179, 8, 0.1);
+}
+
+@keyframes btl-pulse {
+    0%, 100% { opacity: 1; }
+    50% { opacity: 0.6; }
+}
+
+.btl-hud-metrics {
+    display: flex;
+    gap: 20px;
+    flex: 1;
+    align-items: flex-start;
+}
+
+.btl-hud-separator {
+    width: 1px;
+    height: 40px;
+    background: rgba(255, 255, 255, 0.08);
+    align-self: center;
+    flex-shrink: 0;
+}
+
+.btl-hud-metric {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    min-width: 60px;
+}
+
+.btl-hud-metric-lg .btl-hud-value {
+    font-size: 28px;
+}
+
+.btl-hud-value {
+    font-size: 22px;
+    font-weight: 700;
+    font-family: var(--font-mono);
+    color: var(--text-primary);
+    line-height: 1.1;
+}
+
+.btl-hud-unit {
+    font-size: 10px;
+    color: var(--text-dim);
+    font-family: var(--font-mono);
+}
+
+.btl-hud-label {
+    font-size: 9px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-top: 2px;
+}
+
+.btl-hud-controls {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    flex-shrink: 0;
+}
+
+.btl-hud-audio-toggle {
+    display: flex;
+    align-items: center;
+    gap: 5px;
+    font-size: 11px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    white-space: nowrap;
+}
+
+.btl-hud-audio-toggle input[type="checkbox"] {
+    margin: 0;
+}
+
+.btl-hud-clear-btn {
+    padding: 4px 10px;
+    font-size: 10px;
+    background: rgba(255, 255, 255, 0.05);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    border-radius: 4px;
+    color: var(--text-dim);
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.btl-hud-clear-btn:hover {
+    background: rgba(255, 255, 255, 0.1);
+    color: var(--text-secondary);
+}
+
+/* Bottom info bar */
+.btl-hud-bottom {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 6px 20px;
+    background: rgba(0, 0, 0, 0.3);
+    border-top: 1px solid rgba(255, 255, 255, 0.05);
+}
+
+.btl-hud-info {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    flex-wrap: wrap;
+}
+
+.btl-hud-info-item {
+    font-size: 10px;
+    font-family: var(--font-mono);
+    color: var(--text-dim);
+}
+
+.btl-hud-info-sep {
+    color: rgba(255, 255, 255, 0.15);
+    font-size: 10px;
+}
+
+.btl-hud-diag {
+    display: none;
+    font-size: 9px;
+    color: var(--text-dim);
+    font-family: var(--font-mono);
+    opacity: 0.5;
+    white-space: nowrap;
+}
+
+.btl-hud-diag:not(:empty) {
+    display: block;
+}
+
+/* ============================================
+   VISUALS AREA — map + chart
+   ============================================ */
+
+.btl-visuals-container {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    height: 100%;
+    padding: 8px;
+}
+
+.btl-map-container {
+    flex: 1;
+    min-height: 250px;
+    border-radius: 8px;
+    overflow: hidden;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+#btLocateMap {
+    width: 100%;
+    height: 100%;
+    background: #1a1a2e;
+}
+
+.btl-rssi-chart-container {
+    height: 100px;
+    background: rgba(0, 0, 0, 0.3);
+    border-radius: 8px;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    padding: 8px;
+    position: relative;
+    flex-shrink: 0;
+}
+
+.btl-rssi-chart-container .btl-chart-label {
+    position: absolute;
+    top: 4px;
+    left: 8px;
+    font-size: 9px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+
+#btLocateRssiChart {
+    width: 100%;
+    height: 100%;
+}
+
+/* ============================================
+   LOCATE BUTTON — Bluetooth device cards
+   ============================================ */
+
+.bt-locate-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    padding: 3px 8px;
+    font-size: 10px;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    color: var(--accent-green, #00ff88);
+    background: rgba(0, 255, 136, 0.1);
+    border: 1px solid rgba(0, 255, 136, 0.3);
+    border-radius: 3px;
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.bt-locate-btn:hover {
+    background: rgba(0, 255, 136, 0.2);
+    border-color: var(--accent-green, #00ff88);
+}
+
+.bt-locate-btn svg {
+    width: 10px;
+    height: 10px;
+}
+
+/* ============================================
+   IRK DETECT BUTTON + DEVICE PICKER
+   ============================================ */
+
+.btl-detect-irk-btn {
+    padding: 5px 10px;
+    font-size: 10px;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    color: var(--accent-cyan, #00d4ff);
+    background: rgba(0, 212, 255, 0.1);
+    border: 1px solid rgba(0, 212, 255, 0.3);
+    border-radius: 4px;
+    cursor: pointer;
+    transition: all 0.2s;
+    white-space: nowrap;
+    flex-shrink: 0;
+}
+
+.btl-detect-irk-btn:hover {
+    background: rgba(0, 212, 255, 0.2);
+    border-color: var(--accent-cyan, #00d4ff);
+}
+
+.btl-detect-irk-btn:disabled {
+    opacity: 0.5;
+    cursor: wait;
+}
+
+.btl-irk-picker {
+    margin-top: 6px;
+    background: rgba(0, 0, 0, 0.3);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    border-radius: 6px;
+    overflow: hidden;
+}
+
+.btl-irk-picker-status {
+    padding: 8px 10px;
+    font-size: 10px;
+    color: var(--text-dim);
+    text-align: center;
+}
+
+.btl-irk-picker-list {
+    max-height: 160px;
+    overflow-y: auto;
+}
+
+.btl-irk-picker-item {
+    padding: 7px 10px;
+    cursor: pointer;
+    transition: background 0.15s;
+    border-top: 1px solid rgba(255, 255, 255, 0.05);
+}
+
+.btl-irk-picker-item:first-child {
+    border-top: none;
+}
+
+.btl-irk-picker-item:hover {
+    background: rgba(0, 255, 136, 0.08);
+}
+
+.btl-irk-picker-name {
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.btl-irk-picker-meta {
+    font-size: 9px;
+    font-family: var(--font-mono);
+    color: var(--text-dim);
+    margin-top: 1px;
+}
+
+/* ============================================
+   RESPONSIVE — stack HUD vertically on narrow
+   ============================================ */
+
+@media (max-width: 900px) {
+    .btl-hud {
+        flex-wrap: wrap;
+        gap: 10px;
+    }
+
+    .btl-hud-band {
+        min-width: unset;
+        width: 100%;
+        font-size: 20px;
+    }
+
+    .btl-hud-metrics {
+        width: 100%;
+        justify-content: space-around;
+    }
+
+    .btl-hud-controls {
+        flex-direction: row;
+        width: 100%;
+        justify-content: center;
+    }
+}

static/css/modes/gps.css

@@ -0,0 +1,337 @@
+/* GPS Mode Styles */
+
+/* Sidebar info grid */
+.gps-info-grid {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 6px;
+}
+
+.gps-info-item {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+    padding: 4px 6px;
+    background: var(--bg-primary);
+    border: 1px solid var(--border-color);
+    border-radius: 3px;
+}
+
+.gps-info-label {
+    font-size: 9px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.gps-info-value {
+    font-size: 12px;
+    color: var(--text-primary);
+    font-weight: 600;
+}
+
+.gps-mono {
+    font-family: var(--font-mono);
+}
+
+/* Connection status */
+.gps-connection-status {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+}
+
+.gps-status-dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    background: var(--text-dim);
+    flex-shrink: 0;
+}
+
+.gps-status-dot.connected {
+    background: #00ff88;
+    box-shadow: 0 0 6px rgba(0, 255, 136, 0.4);
+}
+
+.gps-status-dot.waiting {
+    background: #ffaa00;
+    box-shadow: 0 0 6px rgba(255, 170, 0, 0.4);
+}
+
+.gps-status-dot.error {
+    background: #ff4444;
+    box-shadow: 0 0 6px rgba(255, 68, 68, 0.4);
+}
+
+.gps-status-text {
+    font-size: 11px;
+    color: var(--text-secondary);
+    font-family: var(--font-mono);
+}
+
+/* Fix badge */
+.gps-fix-badge {
+    display: inline-block;
+    padding: 1px 6px;
+    border-radius: 3px;
+    font-size: 10px;
+    font-weight: 700;
+    font-family: var(--font-mono);
+}
+
+.gps-fix-badge.no-fix {
+    background: rgba(255, 68, 68, 0.2);
+    color: #ff4444;
+    border: 1px solid rgba(255, 68, 68, 0.3);
+}
+
+.gps-fix-badge.fix-2d {
+    background: rgba(255, 170, 0, 0.2);
+    color: #ffaa00;
+    border: 1px solid rgba(255, 170, 0, 0.3);
+}
+
+.gps-fix-badge.fix-3d {
+    background: rgba(0, 255, 136, 0.2);
+    color: #00ff88;
+    border: 1px solid rgba(0, 255, 136, 0.3);
+}
+
+/* DOP quality indicators */
+.gps-dop-good { color: #00ff88; }
+.gps-dop-moderate { color: #ffaa00; }
+.gps-dop-poor { color: #ff4444; }
+
+/* ===== Visuals Panel ===== */
+
+.gps-visuals-container {
+    display: flex;
+    flex-direction: column;
+    gap: 16px;
+    padding: 16px;
+    height: 100%;
+    overflow-y: auto;
+}
+
+/* Top row: sky view + position info */
+.gps-visuals-top {
+    display: flex;
+    gap: 16px;
+    flex-wrap: wrap;
+}
+
+/* Sky View */
+.gps-skyview-panel {
+    flex: 1;
+    min-width: 320px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+}
+
+.gps-skyview-panel h4 {
+    margin: 0 0 8px 0;
+    font-size: 11px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.gps-skyview-canvas-wrap {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+#gpsSkyCanvas {
+    max-width: 100%;
+    height: auto;
+}
+
+/* Position info panel */
+.gps-position-panel {
+    flex: 1;
+    min-width: 280px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+}
+
+.gps-position-panel h4 {
+    margin: 0;
+    font-size: 11px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.gps-pos-big {
+    font-family: var(--font-mono);
+    font-size: 20px;
+    font-weight: 700;
+    color: var(--accent-cyan);
+    line-height: 1.3;
+}
+
+.gps-pos-row {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 4px 0;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.gps-pos-row:last-child {
+    border-bottom: none;
+}
+
+.gps-pos-label {
+    font-size: 10px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+}
+
+.gps-pos-value {
+    font-family: var(--font-mono);
+    font-size: 13px;
+    color: var(--text-primary);
+    font-weight: 600;
+}
+
+/* Signal Strength Bars */
+.gps-signal-panel {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+}
+
+.gps-signal-panel h4 {
+    margin: 0 0 8px 0;
+    font-size: 11px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.gps-signal-bars {
+    display: flex;
+    align-items: flex-end;
+    gap: 3px;
+    height: 140px;
+    padding: 0 4px;
+    overflow-x: auto;
+}
+
+.gps-signal-bar-wrap {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 2px;
+    min-width: 18px;
+    height: 100%;
+    justify-content: flex-end;
+}
+
+.gps-signal-bar {
+    width: 14px;
+    border-radius: 2px 2px 0 0;
+    min-height: 2px;
+    transition: height 0.3s ease;
+}
+
+.gps-signal-bar.unused {
+    opacity: 0.4;
+}
+
+.gps-signal-prn {
+    font-size: 8px;
+    font-family: var(--font-mono);
+    color: var(--text-dim);
+    writing-mode: horizontal-tb;
+}
+
+.gps-signal-snr {
+    font-size: 7px;
+    font-family: var(--font-mono);
+    color: var(--text-secondary);
+}
+
+/* Constellation colors */
+.gps-const-gps { background-color: #00d4ff; }
+.gps-const-glonass { background-color: #00ff88; }
+.gps-const-galileo { background-color: #ff8800; }
+.gps-const-beidou { background-color: #ff4466; }
+.gps-const-sbas { background-color: #ffdd00; }
+.gps-const-qzss { background-color: #cc66ff; }
+
+/* Legend */
+.gps-legend {
+    display: flex;
+    gap: 12px;
+    flex-wrap: wrap;
+    margin-top: 8px;
+    padding-top: 8px;
+    border-top: 1px solid var(--border-color);
+}
+
+.gps-legend-item {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    font-size: 9px;
+    color: var(--text-dim);
+}
+
+.gps-legend-dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    flex-shrink: 0;
+}
+
+/* Empty state */
+.gps-empty-state {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 12px;
+    padding: 40px;
+    color: var(--text-dim);
+    text-align: center;
+}
+
+.gps-empty-state svg {
+    width: 48px;
+    height: 48px;
+    opacity: 0.3;
+}
+
+.gps-empty-state p {
+    font-size: 12px;
+    max-width: 300px;
+    line-height: 1.5;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+    .gps-visuals-top {
+        flex-direction: column;
+    }
+
+    .gps-skyview-panel,
+    .gps-position-panel {
+        min-width: unset;
+    }
+
+    .gps-pos-big {
+        font-size: 16px;
+    }
+}

static/css/modes/space-weather.css

@@ -0,0 +1,467 @@
+/* Space Weather Mode Styles */
+
+/* Main container */
+.sw-visuals-container {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    padding: 12px;
+    height: 100%;
+    overflow-y: auto;
+}
+
+/* Header metrics strip */
+.sw-header-strip {
+    display: flex;
+    align-items: center;
+    gap: 2px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 8px 12px;
+    flex-wrap: wrap;
+}
+
+.sw-header-stat {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    padding: 4px 12px;
+    min-width: 60px;
+}
+
+.sw-header-stat + .sw-header-stat {
+    border-left: 1px solid var(--border-color);
+}
+
+.sw-header-value {
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+    font-size: 18px;
+    font-weight: 700;
+    color: var(--text-primary);
+    line-height: 1.2;
+}
+
+.sw-header-label {
+    font-size: 9px;
+    font-weight: 600;
+    letter-spacing: 0.5px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+}
+
+.sw-header-value.accent-cyan { color: var(--accent-cyan); }
+.sw-header-value.accent-green { color: #00ff88; }
+.sw-header-value.accent-yellow { color: #ffcc00; }
+.sw-header-value.accent-orange { color: #ff8800; }
+.sw-header-value.accent-red { color: #ff3366; }
+
+/* Refresh controls in strip */
+.sw-strip-controls {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin-left: auto;
+    padding-left: 12px;
+}
+
+.sw-refresh-btn {
+    background: transparent;
+    border: 1px solid var(--border-color);
+    color: var(--text-secondary);
+    padding: 4px 10px;
+    border-radius: 4px;
+    font-size: 11px;
+    cursor: pointer;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+    transition: border-color 0.2s, color 0.2s;
+}
+
+.sw-refresh-btn:hover {
+    border-color: var(--accent-cyan);
+    color: var(--accent-cyan);
+}
+
+.sw-last-update {
+    font-size: 10px;
+    color: var(--text-dim);
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+/* NOAA G/S/R Scale cards */
+.sw-scales-row {
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    gap: 8px;
+}
+
+.sw-scale-card {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 10px;
+    text-align: center;
+}
+
+.sw-scale-label {
+    font-size: 10px;
+    font-weight: 600;
+    letter-spacing: 0.5px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    margin-bottom: 4px;
+}
+
+.sw-scale-value {
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+    font-size: 24px;
+    font-weight: 700;
+    line-height: 1.2;
+}
+
+.sw-scale-desc {
+    font-size: 10px;
+    color: var(--text-dim);
+    margin-top: 2px;
+}
+
+/* Scale severity colors */
+.sw-scale-0 { color: #00ff88; border-color: #00ff8833; }
+.sw-scale-1 { color: #88ff00; border-color: #88ff0033; }
+.sw-scale-2 { color: #ffcc00; border-color: #ffcc0033; }
+.sw-scale-3 { color: #ff8800; border-color: #ff880033; }
+.sw-scale-4 { color: #ff4400; border-color: #ff440033; }
+.sw-scale-5 { color: #ff0044; border-color: #ff004433; }
+
+/* HF Band conditions grid */
+.sw-band-panel {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+}
+
+.sw-band-title {
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-secondary);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-bottom: 8px;
+}
+
+.sw-band-grid {
+    display: grid;
+    grid-template-columns: auto repeat(2, 1fr);
+    gap: 4px 8px;
+    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+.sw-band-header {
+    font-size: 10px;
+    font-weight: 600;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    padding-bottom: 4px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.sw-band-name {
+    color: var(--text-secondary);
+    font-weight: 500;
+}
+
+.sw-band-cond {
+    text-align: center;
+    padding: 2px 6px;
+    border-radius: 3px;
+    font-size: 10px;
+    font-weight: 600;
+}
+
+.sw-band-good { color: #00ff88; background: #00ff8815; }
+.sw-band-fair { color: #ffcc00; background: #ffcc0015; }
+.sw-band-poor { color: #ff3366; background: #ff336615; }
+
+/* 2-column dashboard grid */
+.sw-dashboard-grid {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 10px;
+}
+
+/* Chart containers */
+.sw-chart-card {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+}
+
+.sw-chart-title {
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-secondary);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-bottom: 8px;
+}
+
+.sw-chart-wrap {
+    position: relative;
+    height: 180px;
+}
+
+.sw-chart-wrap canvas {
+    width: 100% !important;
+    height: 100% !important;
+}
+
+/* Flare probability table */
+.sw-prob-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+.sw-prob-table th {
+    font-size: 10px;
+    font-weight: 600;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    text-align: left;
+    padding: 4px 6px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.sw-prob-table td {
+    padding: 4px 6px;
+    color: var(--text-secondary);
+    border-bottom: 1px solid var(--border-color);
+}
+
+/* Solar image gallery */
+.sw-image-panel {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+}
+
+.sw-image-tabs {
+    display: flex;
+    gap: 4px;
+    margin-bottom: 8px;
+}
+
+.sw-image-tab {
+    background: transparent;
+    border: 1px solid var(--border-color);
+    color: var(--text-dim);
+    padding: 4px 10px;
+    border-radius: 4px;
+    font-size: 10px;
+    font-weight: 600;
+    cursor: pointer;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+    transition: all 0.2s;
+}
+
+.sw-image-tab:hover {
+    border-color: var(--text-secondary);
+    color: var(--text-secondary);
+}
+
+.sw-image-tab.active {
+    border-color: var(--accent-cyan);
+    color: var(--accent-cyan);
+    background: var(--accent-cyan)10;
+}
+
+.sw-image-frame {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-height: 200px;
+    background: var(--bg-primary);
+    border-radius: 4px;
+    overflow: hidden;
+}
+
+.sw-image-frame img {
+    max-width: 100%;
+    max-height: 400px;
+    object-fit: contain;
+    border-radius: 4px;
+}
+
+/* D-RAP frequency selector */
+.sw-drap-freqs {
+    display: flex;
+    gap: 4px;
+    margin-bottom: 8px;
+    flex-wrap: wrap;
+}
+
+.sw-drap-freq-btn {
+    background: transparent;
+    border: 1px solid var(--border-color);
+    color: var(--text-dim);
+    padding: 3px 8px;
+    border-radius: 3px;
+    font-size: 10px;
+    cursor: pointer;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+    transition: all 0.2s;
+}
+
+.sw-drap-freq-btn:hover {
+    border-color: var(--text-secondary);
+    color: var(--text-secondary);
+}
+
+.sw-drap-freq-btn.active {
+    border-color: var(--accent-cyan);
+    color: var(--accent-cyan);
+}
+
+/* Alerts list */
+.sw-alerts-panel {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+    max-height: 300px;
+    overflow-y: auto;
+}
+
+.sw-alert-item {
+    padding: 8px;
+    border-bottom: 1px solid var(--border-color);
+    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+.sw-alert-item:last-child {
+    border-bottom: none;
+}
+
+.sw-alert-type {
+    font-weight: 600;
+    color: var(--accent-cyan);
+    font-size: 10px;
+    text-transform: uppercase;
+    margin-bottom: 2px;
+}
+
+.sw-alert-time {
+    font-size: 10px;
+    color: var(--text-dim);
+    margin-bottom: 4px;
+}
+
+.sw-alert-msg {
+    color: var(--text-secondary);
+    line-height: 1.4;
+    white-space: pre-wrap;
+    font-size: 10px;
+}
+
+/* Active regions table */
+.sw-regions-panel {
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    padding: 12px;
+    max-height: 300px;
+    overflow-y: auto;
+}
+
+.sw-regions-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 10px;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+.sw-regions-table th {
+    font-weight: 600;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    text-align: left;
+    padding: 4px 6px;
+    border-bottom: 1px solid var(--border-color);
+    position: sticky;
+    top: 0;
+    background: var(--bg-card);
+}
+
+.sw-regions-table td {
+    padding: 4px 6px;
+    color: var(--text-secondary);
+    border-bottom: 1px solid var(--border-color);
+}
+
+/* Empty / loading states */
+.sw-empty {
+    text-align: center;
+    padding: 20px;
+    color: var(--text-dim);
+    font-size: 11px;
+    font-family: var(--font-mono, 'Roboto Condensed', monospace);
+}
+
+.sw-loading {
+    text-align: center;
+    padding: 20px;
+    color: var(--text-dim);
+    font-size: 11px;
+}
+
+.sw-loading::after {
+    content: '';
+    display: inline-block;
+    width: 12px;
+    height: 12px;
+    border: 2px solid var(--border-color);
+    border-top-color: var(--accent-cyan);
+    border-radius: 50%;
+    animation: sw-spin 0.8s linear infinite;
+    margin-left: 8px;
+    vertical-align: middle;
+}
+
+@keyframes sw-spin {
+    to { transform: rotate(360deg); }
+}
+
+/* Full-width card */
+.sw-full-width {
+    grid-column: 1 / -1;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+    .sw-dashboard-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .sw-scales-row {
+        grid-template-columns: 1fr;
+    }
+
+    .sw-header-strip {
+        gap: 0;
+    }
+
+    .sw-header-stat {
+        padding: 4px 8px;
+        min-width: 50px;
+    }
+
+    .sw-header-value {
+        font-size: 14px;
+    }
+}

static/css/modes/spy-stations.css

@@ -340,7 +340,9 @@
    MODE VISIBILITY - Ensure sidebar shows when active
    ============================================ */
 #spystationsMode.active {
-    display: block !important;
+    display: flex !important;
+    flex-direction: column;
+    gap: 10px;
 }
 
 /* ============================================

static/css/modes/sstv-general.css

@@ -7,7 +7,9 @@
    MODE VISIBILITY
    ============================================ */
 #sstvGeneralMode.active {
-    display: block !important;
+    display: flex !important;
+    flex-direction: column;
+    gap: 10px;
 }
 
 /* ============================================
@@ -329,12 +331,12 @@
 }
 
 .sstv-general-image-card {
+    position: relative;
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 6px;
     overflow: hidden;
     transition: all 0.15s ease;
-    cursor: pointer;
 }
 
 .sstv-general-image-card:hover {
@@ -343,6 +345,10 @@
     box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2);
 }
 
+.sstv-general-image-card-inner {
+    cursor: pointer;
+}
+
 .sstv-general-image-preview {
     width: 100%;
     aspect-ratio: 4/3;
@@ -351,6 +357,48 @@
     display: block;
 }
 
+.sstv-general-image-actions {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    display: flex;
+    justify-content: flex-end;
+    gap: 4px;
+    padding: 6px;
+    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
+    opacity: 0;
+    transition: opacity 0.15s;
+}
+
+.sstv-general-image-card:hover .sstv-general-image-actions {
+    opacity: 1;
+}
+
+.sstv-general-image-actions button {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 28px;
+    height: 28px;
+    padding: 0;
+    background: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    border-radius: 4px;
+    color: white;
+    cursor: pointer;
+    transition: all 0.15s;
+}
+
+.sstv-general-image-actions button:hover {
+    background: rgba(255, 255, 255, 0.25);
+}
+
+.sstv-general-image-actions button:last-child:hover {
+    background: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 .sstv-general-image-info {
     padding: 8px 10px;
     border-top: 1px solid var(--border-color);
@@ -389,6 +437,96 @@
     margin-bottom: 12px;
 }
 
+/* ============================================
+   SIGNAL MONITOR
+   ============================================ */
+.sstv-general-signal-monitor {
+    width: 100%;
+    max-width: 320px;
+    padding: 16px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+}
+
+.sstv-general-signal-monitor-header {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    font-family: var(--font-mono);
+    font-size: 10px;
+    font-weight: 600;
+    color: var(--text-secondary);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-bottom: 14px;
+}
+
+.sstv-general-signal-monitor-header svg {
+    color: var(--accent-cyan);
+}
+
+.sstv-general-signal-level-row {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    margin-bottom: 10px;
+}
+
+.sstv-general-signal-level-label {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    flex-shrink: 0;
+}
+
+.sstv-general-signal-bar-track {
+    flex: 1;
+    height: 6px;
+    background: var(--bg-primary);
+    border-radius: 3px;
+    overflow: hidden;
+}
+
+.sstv-general-signal-bar-fill {
+    height: 100%;
+    border-radius: 3px;
+    transition: width 0.3s ease, background 0.3s ease;
+    background: var(--text-dim);
+}
+
+.sstv-general-signal-level-value {
+    font-family: var(--font-mono);
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-primary);
+    min-width: 24px;
+    text-align: right;
+}
+
+.sstv-general-signal-status-text {
+    font-family: var(--font-mono);
+    font-size: 10px;
+    color: var(--text-dim);
+    text-align: center;
+}
+
+.sstv-general-signal-vis-state {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    color: var(--text-dim);
+    text-align: center;
+    margin-top: 6px;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.sstv-general-signal-vis-state.active {
+    color: var(--accent-cyan);
+}
+
 /* ============================================
    IMAGE MODAL
    ============================================ */
@@ -417,6 +555,40 @@
     border-radius: 4px;
 }
 
+.sstv-general-modal-toolbar {
+    position: absolute;
+    top: 20px;
+    right: 60px;
+    display: flex;
+    gap: 8px;
+    z-index: 1;
+}
+
+.sstv-general-modal-btn {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    font-family: var(--font-mono);
+    font-size: 10px;
+    padding: 6px 12px;
+    background: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    border-radius: 4px;
+    color: white;
+    cursor: pointer;
+    transition: all 0.15s;
+    text-transform: uppercase;
+}
+
+.sstv-general-modal-btn:hover {
+    background: rgba(255, 255, 255, 0.2);
+}
+
+.sstv-general-modal-btn.delete:hover {
+    background: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 .sstv-general-modal-close {
     position: absolute;
     top: 20px;
@@ -428,12 +600,33 @@
     cursor: pointer;
     opacity: 0.7;
     transition: opacity 0.15s;
+    z-index: 1;
 }
 
 .sstv-general-modal-close:hover {
     opacity: 1;
 }
 
+/* Clear All button */
+.sstv-general-gallery-clear-btn {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    text-transform: uppercase;
+    padding: 3px 8px;
+    border-radius: 4px;
+    background: transparent;
+    border: 1px solid var(--border-color);
+    color: var(--text-dim);
+    cursor: pointer;
+    transition: all 0.15s;
+    margin-left: 8px;
+}
+
+.sstv-general-gallery-clear-btn:hover {
+    color: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 /* ============================================
    RESPONSIVE
    ============================================ */

static/css/modes/sstv.css

@@ -7,7 +7,9 @@
    MODE VISIBILITY
    ============================================ */
 #sstvMode.active {
-    display: block !important;
+    display: flex !important;
+    flex-direction: column;
+    gap: 10px;
 }
 
 /* ============================================
@@ -388,12 +390,12 @@
 }
 
 .sstv-image-card {
+    position: relative;
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 6px;
     overflow: hidden;
     transition: all 0.15s ease;
-    cursor: pointer;
 }
 
 .sstv-image-card:hover {
@@ -402,6 +404,10 @@
     box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2);
 }
 
+.sstv-image-card-inner {
+    cursor: pointer;
+}
+
 .sstv-image-preview {
     width: 100%;
     aspect-ratio: 4/3;
@@ -410,6 +416,48 @@
     display: block;
 }
 
+.sstv-image-actions {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    display: flex;
+    justify-content: flex-end;
+    gap: 4px;
+    padding: 6px;
+    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
+    opacity: 0;
+    transition: opacity 0.15s;
+}
+
+.sstv-image-card:hover .sstv-image-actions {
+    opacity: 1;
+}
+
+.sstv-image-actions button {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 28px;
+    height: 28px;
+    padding: 0;
+    background: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    border-radius: 4px;
+    color: white;
+    cursor: pointer;
+    transition: all 0.15s;
+}
+
+.sstv-image-actions button:hover {
+    background: rgba(255, 255, 255, 0.25);
+}
+
+.sstv-image-actions button:last-child:hover {
+    background: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 .sstv-image-info {
     padding: 8px 10px;
     border-top: 1px solid var(--border-color);
@@ -736,6 +784,96 @@
     animation: pulse 0.5s infinite;
 }
 
+/* ============================================
+   SIGNAL MONITOR
+   ============================================ */
+.sstv-signal-monitor {
+    width: 100%;
+    max-width: 320px;
+    padding: 16px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+}
+
+.sstv-signal-monitor-header {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    font-family: var(--font-mono);
+    font-size: 10px;
+    font-weight: 600;
+    color: var(--text-secondary);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    margin-bottom: 14px;
+}
+
+.sstv-signal-monitor-header svg {
+    color: var(--accent-cyan);
+}
+
+.sstv-signal-level-row {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    margin-bottom: 10px;
+}
+
+.sstv-signal-level-label {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    color: var(--text-dim);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    flex-shrink: 0;
+}
+
+.sstv-signal-bar-track {
+    flex: 1;
+    height: 6px;
+    background: var(--bg-primary);
+    border-radius: 3px;
+    overflow: hidden;
+}
+
+.sstv-signal-bar-fill {
+    height: 100%;
+    border-radius: 3px;
+    transition: width 0.3s ease, background 0.3s ease;
+    background: var(--text-dim);
+}
+
+.sstv-signal-level-value {
+    font-family: var(--font-mono);
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-primary);
+    min-width: 24px;
+    text-align: right;
+}
+
+.sstv-signal-status-text {
+    font-family: var(--font-mono);
+    font-size: 10px;
+    color: var(--text-dim);
+    text-align: center;
+}
+
+.sstv-signal-vis-state {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    color: var(--text-dim);
+    text-align: center;
+    margin-top: 6px;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.sstv-signal-vis-state.active {
+    color: var(--accent-cyan);
+}
+
 /* ============================================
    IMAGE MODAL
    ============================================ */
@@ -764,6 +902,40 @@
     border-radius: 4px;
 }
 
+.sstv-modal-toolbar {
+    position: absolute;
+    top: 20px;
+    right: 60px;
+    display: flex;
+    gap: 8px;
+    z-index: 1;
+}
+
+.sstv-modal-btn {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    font-family: var(--font-mono);
+    font-size: 10px;
+    padding: 6px 12px;
+    background: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    border-radius: 4px;
+    color: white;
+    cursor: pointer;
+    transition: all 0.15s;
+    text-transform: uppercase;
+}
+
+.sstv-modal-btn:hover {
+    background: rgba(255, 255, 255, 0.2);
+}
+
+.sstv-modal-btn.delete:hover {
+    background: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 .sstv-modal-close {
     position: absolute;
     top: 20px;
@@ -775,12 +947,33 @@
     cursor: pointer;
     opacity: 0.7;
     transition: opacity 0.15s;
+    z-index: 1;
 }
 
 .sstv-modal-close:hover {
     opacity: 1;
 }
 
+/* Clear All button */
+.sstv-gallery-clear-btn {
+    font-family: var(--font-mono);
+    font-size: 9px;
+    text-transform: uppercase;
+    padding: 3px 8px;
+    border-radius: 4px;
+    background: transparent;
+    border: 1px solid var(--border-color);
+    color: var(--text-dim);
+    cursor: pointer;
+    transition: all 0.15s;
+    margin-left: 8px;
+}
+
+.sstv-gallery-clear-btn:hover {
+    color: var(--accent-red, #ff3366);
+    border-color: var(--accent-red, #ff3366);
+}
+
 /* ============================================
    RESPONSIVE
    ============================================ */

static/css/modes/tscm.css

@@ -196,6 +196,28 @@
     margin-left: 6px;
     font-size: 10px;
 }
+.tracker-badge {
+    margin-left: 6px;
+    font-size: 9px;
+    padding: 1px 4px;
+    border-radius: 3px;
+    background: rgba(255, 51, 102, 0.2);
+    color: #ff3366;
+    border: 1px solid rgba(255, 51, 102, 0.4);
+    text-transform: uppercase;
+    letter-spacing: 0.4px;
+}
+.client-badge {
+    margin-left: 6px;
+    font-size: 9px;
+    padding: 1px 4px;
+    border-radius: 3px;
+    background: rgba(74, 158, 255, 0.2);
+    color: #4a9eff;
+    border: 1px solid rgba(74, 158, 255, 0.4);
+    text-transform: uppercase;
+    letter-spacing: 0.4px;
+}
 .known-badge {
     margin-left: 6px;
     font-size: 9px;

static/css/modes/vdl2.css

@@ -0,0 +1,31 @@
+/* VDL2 Mode Styles */
+
+/* VDL2 Status Indicator */
+.vdl2-status-dot.listening {
+    background: var(--accent-cyan) !important;
+    animation: vdl2-pulse 1.5s ease-in-out infinite;
+}
+.vdl2-status-dot.receiving {
+    background: var(--accent-green) !important;
+}
+.vdl2-status-dot.error {
+    background: var(--accent-red) !important;
+}
+@keyframes vdl2-pulse {
+    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.7); }
+    50% { opacity: 0.6; box-shadow: 0 0 6px 3px rgba(74, 158, 255, 0.3); }
+}
+
+/* VDL2 message animation */
+.vdl2-msg {
+    padding: 6px 8px;
+    border-bottom: 1px solid var(--border-color);
+    animation: vdl2FadeIn 0.3s ease;
+}
+.vdl2-msg:hover {
+    background: rgba(74, 158, 255, 0.05);
+}
+@keyframes vdl2FadeIn {
+    from { opacity: 0; transform: translateY(-3px); }
+    to { opacity: 1; transform: translateY(0); }
+}

static/css/responsive.css

@@ -114,7 +114,7 @@
     position: fixed;
     top: 0;
     left: 0;
-    width: min(320px, 85vw);
+    width: min(360px, 100vw);
     height: 100dvh;
     height: 100vh; /* Fallback */
     background: var(--bg-secondary, #0f1218);
@@ -381,6 +381,33 @@
         -webkit-overflow-scrolling: touch;
     }
 
+    .sidebar {
+        padding: 10px;
+        gap: 10px;
+    }
+
+    .output-panel {
+        min-height: 58vh;
+    }
+
+    .output-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 8px;
+    }
+
+    .header-controls {
+        width: 100%;
+        gap: 8px;
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+        padding-bottom: 2px;
+    }
+
+    .header-controls .stats {
+        min-width: max-content;
+    }
+
     /* Container should not clip content */
     .container {
         overflow: visible;

static/css/satellite_dashboard.css

@@ -5,8 +5,8 @@
 }
 
 :root {
-    --font-sans: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
-    --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, 'SF Mono', 'Consolas', 'Menlo', monospace;
+    --font-sans: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
+    --font-mono: 'Roboto Condensed', 'Arial Narrow', Roboto, 'Helvetica Neue', Arial, sans-serif;
     --bg-dark: #0b1118;
     --bg-panel: #101823;
     --bg-card: #151f2b;

static/css/settings.css

@@ -24,8 +24,11 @@
     background: var(--bg-dark, #0a0a0f);
     border: 1px solid var(--border-color, #1a1a2e);
     border-radius: 8px;
-    max-width: 600px;
+    max-width: 900px;
     width: 100%;
+    max-height: calc(100vh - 80px);
+    display: flex;
+    flex-direction: column;
     position: relative;
     box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
 }
@@ -71,22 +74,28 @@
 
 /* Settings Tabs */
 .settings-tabs {
-    display: flex;
+    display: grid;
+    grid-template-columns: repeat(8, minmax(0, 1fr));
     border-bottom: 1px solid var(--border-color, #1a1a2e);
     padding: 0 20px;
-    gap: 4px;
+    gap: 0;
 }
 
 .settings-tab {
     background: none;
     border: none;
-    padding: 12px 16px;
+    padding: 12px 10px;
     color: var(--text-muted, #666);
     font-size: 13px;
     font-weight: 500;
     cursor: pointer;
     position: relative;
     transition: color 0.2s;
+    min-width: 0;
+    text-align: center;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
 }
 
 .settings-tab:hover {
@@ -115,6 +124,9 @@
 
 .settings-section.active {
     display: block;
+    overflow-y: auto;
+    flex: 1;
+    min-height: 0;
 }
 
 .settings-group {
@@ -163,6 +175,47 @@
     color: var(--text-muted, #666);
 }
 
+/* Settings Feed Lists */
+.settings-feed {
+    background: var(--bg-tertiary, #12121f);
+    border: 1px solid var(--border-color, #1a1a2e);
+    border-radius: 6px;
+    padding: 8px;
+    max-height: 240px;
+    overflow-y: auto;
+}
+
+.settings-feed-item {
+    padding: 8px;
+    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
+    font-size: 11px;
+}
+
+.settings-feed-item:last-child {
+    border-bottom: none;
+}
+
+.settings-feed-title {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    font-weight: 600;
+    color: var(--text-primary, #e0e0e0);
+    margin-bottom: 4px;
+}
+
+.settings-feed-meta {
+    color: var(--text-muted, #666);
+    font-size: 10px;
+}
+
+.settings-feed-empty {
+    color: var(--text-dim, #666);
+    text-align: center;
+    padding: 20px 10px;
+    font-size: 11px;
+}
+
 /* Toggle Switch */
 .toggle-switch {
     position: relative;
@@ -427,6 +480,12 @@
 }
 
 /* Responsive */
+@media (max-width: 960px) {
+    .settings-tabs {
+        grid-template-columns: repeat(4, minmax(0, 1fr));
+    }
+}
+
 @media (max-width: 640px) {
     .settings-modal.active {
         padding: 20px 10px;
@@ -436,6 +495,18 @@
         max-width: 100%;
     }
 
+    .settings-tabs {
+        padding: 0 10px;
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
+
+    .settings-tab {
+        padding: 10px 6px;
+        font-size: 11px;
+        white-space: normal;
+        line-height: 1.2;
+    }
+
     .settings-row {
         flex-direction: column;
         align-items: flex-start;

static/js/components/proximity-radar.js

@@ -36,6 +36,7 @@ const ProximityRadar = (function() {
     let isHovered = false;
     let renderPending = false;
     let renderTimer = null;
+    let interactionLockUntil = 0; // timestamp: suppress renders briefly after click
 
     /**
      * Initialize the radar component
@@ -119,6 +120,36 @@ const ProximityRadar = (function() {
 
         svg = container.querySelector('svg');
 
+        // Event delegation on the devices group (survives innerHTML rebuilds)
+        const devicesGroup = svg.querySelector('.radar-devices');
+
+        devicesGroup.addEventListener('click', (e) => {
+            const deviceEl = e.target.closest('.radar-device');
+            if (!deviceEl) return;
+            const deviceKey = deviceEl.getAttribute('data-device-key');
+            if (onDeviceClick && deviceKey) {
+                // Lock out re-renders briefly so the DOM stays stable after click
+                interactionLockUntil = Date.now() + 500;
+                onDeviceClick(deviceKey);
+            }
+        });
+
+        devicesGroup.addEventListener('mouseenter', (e) => {
+            if (e.target.closest('.radar-device')) {
+                isHovered = true;
+            }
+        }, true); // capture phase so we catch enter on child elements
+
+        devicesGroup.addEventListener('mouseleave', (e) => {
+            if (e.target.closest('.radar-device')) {
+                isHovered = false;
+                if (renderPending) {
+                    renderPending = false;
+                    renderDevices();
+                }
+            }
+        }, true);
+
         // Add sweep animation
         animateSweep();
     }
@@ -165,8 +196,8 @@ const ProximityRadar = (function() {
             devices.set(device.device_key, device);
         });
 
-        // Defer render while user is hovering to prevent DOM rebuild flicker
-        if (isHovered) {
+        // Defer render while user is hovering or interacting to prevent DOM rebuild flicker
+        if (isHovered || Date.now() < interactionLockUntil) {
             renderPending = true;
             return;
         }
@@ -229,7 +260,7 @@ const ProximityRadar = (function() {
                        style="cursor: pointer;">
                         <!-- Invisible hit area to prevent hover flicker -->
                         <circle class="radar-device-hitarea" r="${hitAreaSize}" fill="transparent" />
-                        ${isSelected ? `<circle r="${dotSize + 8}" fill="none" stroke="#00d4ff" stroke-width="2" stroke-opacity="0.8">
+                        ${isSelected ? `<circle class="radar-select-ring" r="${dotSize + 8}" fill="none" stroke="#00d4ff" stroke-width="2" stroke-opacity="0.8">
                             <animate attributeName="r" values="${dotSize + 6};${dotSize + 10};${dotSize + 6}" dur="1.5s" repeatCount="indefinite"/>
                             <animate attributeName="stroke-opacity" values="0.8;0.4;0.8" dur="1.5s" repeatCount="indefinite"/>
                         </circle>` : ''}
@@ -244,24 +275,6 @@ const ProximityRadar = (function() {
         }).join('');
 
         devicesGroup.innerHTML = dots;
-
-        // Attach event handlers
-        devicesGroup.querySelectorAll('.radar-device').forEach(el => {
-            el.addEventListener('click', (e) => {
-                const deviceKey = el.getAttribute('data-device-key');
-                if (onDeviceClick && deviceKey) {
-                    onDeviceClick(deviceKey);
-                }
-            });
-            el.addEventListener('mouseenter', () => { isHovered = true; });
-            el.addEventListener('mouseleave', () => {
-                isHovered = false;
-                if (renderPending) {
-                    renderPending = false;
-                    renderDevices();
-                }
-            });
-        });
     }
 
     /**
@@ -345,19 +358,125 @@ const ProximityRadar = (function() {
     }
 
     /**
-     * Highlight a specific device on the radar
+     * Highlight a specific device on the radar (in-place update, no full re-render)
      */
     function highlightDevice(deviceKey) {
+        const prev = selectedDeviceKey;
         selectedDeviceKey = deviceKey;
-        renderDevices();
+
+        if (!svg) { return; }
+        const devicesGroup = svg.querySelector('.radar-devices');
+        if (!devicesGroup) { return; }
+
+        // Remove highlight from previously selected node
+        if (prev && prev !== deviceKey) {
+            const oldEl = devicesGroup.querySelector(`.radar-device[data-device-key="${CSS.escape(prev)}"]`);
+            if (oldEl) {
+                oldEl.classList.remove('selected');
+                // Remove animated selection ring
+                const ring = oldEl.querySelector('.radar-select-ring');
+                if (ring) ring.remove();
+                // Restore dot opacity
+                const dot = oldEl.querySelector('circle:not(.radar-device-hitarea):not(.radar-select-ring)');
+                if (dot && dot.getAttribute('fill') !== 'none' && dot.getAttribute('fill') !== 'transparent') {
+                    const device = devices.get(prev);
+                    const confidence = device ? (device.distance_confidence || 0.5) : 0.5;
+                    dot.setAttribute('fill-opacity', 0.4 + confidence * 0.5);
+                    dot.setAttribute('stroke', dot.getAttribute('fill'));
+                    dot.setAttribute('stroke-width', '1');
+                }
+            }
+        }
+
+        // Add highlight to newly selected node
+        if (deviceKey) {
+            const newEl = devicesGroup.querySelector(`.radar-device[data-device-key="${CSS.escape(deviceKey)}"]`);
+            if (newEl) {
+                applySelectionToElement(newEl, deviceKey);
+            } else {
+                // Node not in DOM yet; full render needed on next cycle
+                renderDevices();
+            }
+        }
     }
 
     /**
-     * Clear device highlighting
+     * Apply selection styling to a radar device element in-place
+     */
+    function applySelectionToElement(el, deviceKey) {
+        el.classList.add('selected');
+        const device = devices.get(deviceKey);
+        const confidence = device ? (device.distance_confidence || 0.5) : 0.5;
+        const dotSize = CONFIG.dotMinSize + (CONFIG.dotMaxSize - CONFIG.dotMinSize) * confidence;
+
+        // Update dot styling
+        const dot = el.querySelector('circle:not(.radar-device-hitarea):not(.radar-select-ring)');
+        if (dot && dot.getAttribute('fill') !== 'none' && dot.getAttribute('fill') !== 'transparent') {
+            dot.setAttribute('fill-opacity', '1');
+            dot.setAttribute('stroke', '#00d4ff');
+            dot.setAttribute('stroke-width', '2');
+        }
+
+        // Add animated selection ring if not already present
+        if (!el.querySelector('.radar-select-ring')) {
+            const ns = 'http://www.w3.org/2000/svg';
+            const ring = document.createElementNS(ns, 'circle');
+            ring.classList.add('radar-select-ring');
+            ring.setAttribute('r', dotSize + 8);
+            ring.setAttribute('fill', 'none');
+            ring.setAttribute('stroke', '#00d4ff');
+            ring.setAttribute('stroke-width', '2');
+            ring.setAttribute('stroke-opacity', '0.8');
+
+            const animR = document.createElementNS(ns, 'animate');
+            animR.setAttribute('attributeName', 'r');
+            animR.setAttribute('values', `${dotSize + 6};${dotSize + 10};${dotSize + 6}`);
+            animR.setAttribute('dur', '1.5s');
+            animR.setAttribute('repeatCount', 'indefinite');
+            ring.appendChild(animR);
+
+            const animO = document.createElementNS(ns, 'animate');
+            animO.setAttribute('attributeName', 'stroke-opacity');
+            animO.setAttribute('values', '0.8;0.4;0.8');
+            animO.setAttribute('dur', '1.5s');
+            animO.setAttribute('repeatCount', 'indefinite');
+            ring.appendChild(animO);
+
+            // Insert after the hit area
+            const hitArea = el.querySelector('.radar-device-hitarea');
+            if (hitArea && hitArea.nextSibling) {
+                el.insertBefore(ring, hitArea.nextSibling);
+            } else {
+                el.insertBefore(ring, el.firstChild);
+            }
+        }
+    }
+
+    /**
+     * Clear device highlighting (in-place update, no full re-render)
      */
     function clearHighlight() {
+        const prev = selectedDeviceKey;
         selectedDeviceKey = null;
-        renderDevices();
+
+        if (!svg || !prev) { return; }
+        const devicesGroup = svg.querySelector('.radar-devices');
+        if (!devicesGroup) { return; }
+
+        const oldEl = devicesGroup.querySelector(`.radar-device[data-device-key="${CSS.escape(prev)}"]`);
+        if (oldEl) {
+            oldEl.classList.remove('selected');
+            const ring = oldEl.querySelector('.radar-select-ring');
+            if (ring) ring.remove();
+            const dot = oldEl.querySelector('circle:not(.radar-device-hitarea):not(.radar-select-ring)');
+            if (dot && dot.getAttribute('fill') !== 'none' && dot.getAttribute('fill') !== 'transparent') {
+                const device = devices.get(prev);
+                const confidence = device ? (device.distance_confidence || 0.5) : 0.5;
+                dot.setAttribute('fill-opacity', 0.4 + confidence * 0.5);
+                dot.setAttribute('stroke', dot.getAttribute('fill'));
+                dot.setAttribute('stroke-width', '1');
+            }
+        }
     }
 
     /**

static/js/components/signal-cards.js

@@ -302,7 +302,13 @@ const SignalCards = (function() {
      */
     function formatRelativeTime(timestamp) {
         if (!timestamp) return '';
-        const date = new Date(timestamp);
+        let date = new Date(timestamp);
+        // Handle time-only strings like "HH:MM:SS" (from pager/sensor backends)
+        if (isNaN(date.getTime()) && /^\d{1,2}:\d{2}(:\d{2})?$/.test(timestamp)) {
+            const today = new Date();
+            date = new Date(today.toDateString() + ' ' + timestamp);
+        }
+        if (isNaN(date.getTime())) return timestamp;
         const now = new Date();
         const diff = Math.floor((now - date) / 1000);
 

static/js/core/agents.js

@@ -423,7 +423,7 @@ async function syncAgentModeStates(agentId) {
                 });
 
                 // Also check modes that might need to be marked as stopped
-                const allModes = ['sensor', 'pager', 'adsb', 'wifi', 'bluetooth', 'ais', 'dsc', 'acars', 'aprs', 'rtlamr', 'tscm', 'satellite', 'listening_post'];
+                const allModes = ['sensor', 'pager', 'adsb', 'wifi', 'bluetooth', 'ais', 'dsc', 'acars', 'vdl2', 'aprs', 'rtlamr', 'tscm', 'satellite', 'listening_post'];
                 allModes.forEach(mode => {
                     if (!agentRunningModes.includes(mode)) {
                         syncModeUI(mode, false, agentId);
@@ -704,6 +704,7 @@ function syncModeUI(mode, isRunning, agentId = null) {
         'wifi': 'setWiFiRunning',
         'bluetooth': 'setBluetoothRunning',
         'acars': 'setAcarsRunning',
+        'vdl2': 'setVdl2Running',
         'listening_post': 'setListeningPostRunning'
     };
 
@@ -865,12 +866,12 @@ function connectAgentStream(mode, onMessage) {
     }
 
     let streamUrl;
-    if (currentAgent === 'local') {
-        streamUrl = `/${mode}/stream`;
-    } else {
-        // For remote agents, proxy SSE through controller
-        streamUrl = `/controller/agents/${currentAgent}/${mode}/stream`;
-    }
+    if (currentAgent === 'local') {
+        streamUrl = `/${mode}/stream`;
+    } else {
+        // For remote agents, proxy SSE through controller
+        streamUrl = `/controller/agents/${currentAgent}/${mode}/stream`;
+    }
 
     agentEventSource = new EventSource(streamUrl);
 
@@ -878,7 +879,7 @@ function connectAgentStream(mode, onMessage) {
         try {
             const data = JSON.parse(event.data);
 
-            onMessage(data);
+            onMessage(data);
         } catch (e) {
             console.error('Error parsing SSE message:', e);
         }

static/js/core/alerts.js

@@ -0,0 +1,194 @@
+const AlertCenter = (function() {
+    'use strict';
+
+    let alerts = [];
+    let rules = [];
+    let eventSource = null;
+
+    const TRACKER_RULE_NAME = 'Tracker Detected';
+
+    function init() {
+        loadRules();
+        loadFeed();
+        connect();
+    }
+
+    function connect() {
+        if (eventSource) {
+            eventSource.close();
+        }
+        eventSource = new EventSource('/alerts/stream');
+        eventSource.onmessage = function(e) {
+            try {
+                const data = JSON.parse(e.data);
+                if (data.type === 'keepalive') return;
+                handleAlert(data);
+            } catch (err) {
+                console.error('[Alerts] SSE parse error', err);
+            }
+        };
+        eventSource.onerror = function() {
+            console.warn('[Alerts] SSE connection error');
+        };
+    }
+
+    function handleAlert(alert) {
+        alerts.unshift(alert);
+        alerts = alerts.slice(0, 50);
+        updateFeedUI();
+
+        if (typeof showNotification === 'function') {
+            const severity = (alert.severity || '').toLowerCase();
+            if (['high', 'critical'].includes(severity)) {
+                showNotification(alert.title || 'Alert', alert.message || 'Alert triggered');
+            }
+        }
+    }
+
+    function updateFeedUI() {
+        const list = document.getElementById('alertsFeedList');
+        const countEl = document.getElementById('alertsFeedCount');
+        if (countEl) countEl.textContent = `(${alerts.length})`;
+        if (!list) return;
+
+        if (alerts.length === 0) {
+            list.innerHTML = '<div class="settings-feed-empty">No alerts yet</div>';
+            return;
+        }
+
+        list.innerHTML = alerts.map(alert => {
+            const title = escapeHtml(alert.title || 'Alert');
+            const message = escapeHtml(alert.message || '');
+            const severity = escapeHtml(alert.severity || 'medium');
+            const createdAt = alert.created_at ? new Date(alert.created_at).toLocaleString() : '';
+            return `
+                <div class="settings-feed-item">
+                    <div class="settings-feed-title">
+                        <span>${title}</span>
+                        <span style="color: var(--text-dim);">${severity.toUpperCase()}</span>
+                    </div>
+                    <div class="settings-feed-meta">${message}</div>
+                    <div class="settings-feed-meta" style="margin-top: 4px;">${createdAt}</div>
+                </div>
+            `;
+        }).join('');
+    }
+
+    function loadFeed() {
+        fetch('/alerts/events?limit=20')
+            .then(r => r.json())
+            .then(data => {
+                if (data.status === 'success') {
+                    alerts = data.events || [];
+                    updateFeedUI();
+                }
+            })
+            .catch(err => console.error('[Alerts] Load feed failed', err));
+    }
+
+    function loadRules() {
+        fetch('/alerts/rules?all=1')
+            .then(r => r.json())
+            .then(data => {
+                if (data.status === 'success') {
+                    rules = data.rules || [];
+                }
+            })
+            .catch(err => console.error('[Alerts] Load rules failed', err));
+    }
+
+    function enableTrackerAlerts() {
+        ensureTrackerRule(true);
+    }
+
+    function disableTrackerAlerts() {
+        ensureTrackerRule(false);
+    }
+
+    function ensureTrackerRule(enabled) {
+        loadRules();
+        setTimeout(() => {
+            const existing = rules.find(r => r.name === TRACKER_RULE_NAME);
+            if (existing) {
+                fetch(`/alerts/rules/${existing.id}`, {
+                    method: 'PATCH',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ enabled })
+                }).then(() => loadRules());
+            } else if (enabled) {
+                fetch('/alerts/rules', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({
+                        name: TRACKER_RULE_NAME,
+                        mode: 'bluetooth',
+                        event_type: 'device_update',
+                        match: { is_tracker: true },
+                        severity: 'high',
+                        enabled: true,
+                        notify: { webhook: true }
+                    })
+                }).then(() => loadRules());
+            }
+        }, 150);
+    }
+
+    function addBluetoothWatchlist(address, name) {
+        if (!address) return;
+        const existing = rules.find(r => r.mode === 'bluetooth' && r.match && r.match.address === address);
+        if (existing) {
+            return;
+        }
+        fetch('/alerts/rules', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+                name: name ? `Watchlist ${name}` : `Watchlist ${address}`,
+                mode: 'bluetooth',
+                event_type: 'device_update',
+                match: { address: address },
+                severity: 'medium',
+                enabled: true,
+                notify: { webhook: true }
+            })
+        }).then(() => loadRules());
+    }
+
+    function removeBluetoothWatchlist(address) {
+        if (!address) return;
+        const existing = rules.find(r => r.mode === 'bluetooth' && r.match && r.match.address === address);
+        if (!existing) return;
+        fetch(`/alerts/rules/${existing.id}`, { method: 'DELETE' })
+            .then(() => loadRules());
+    }
+
+    function isWatchlisted(address) {
+        return rules.some(r => r.mode === 'bluetooth' && r.match && r.match.address === address && r.enabled);
+    }
+
+    function escapeHtml(str) {
+        if (!str) return '';
+        return String(str)
+            .replace(/&/g, '&amp;')
+            .replace(/</g, '&lt;')
+            .replace(/>/g, '&gt;')
+            .replace(/"/g, '&quot;')
+            .replace(/'/g, '&#039;');
+    }
+
+    return {
+        init,
+        loadFeed,
+        enableTrackerAlerts,
+        disableTrackerAlerts,
+        addBluetoothWatchlist,
+        removeBluetoothWatchlist,
+        isWatchlisted,
+    };
+})();
+
+document.addEventListener('DOMContentLoaded', () => {
+    if (typeof AlertCenter !== 'undefined') {
+        AlertCenter.init();
+    }
+});

static/js/core/app.js

@@ -373,7 +373,7 @@ function showInfo(text) {
 
     const infoEl = document.createElement('div');
     infoEl.className = 'info-msg';
-    infoEl.style.cssText = 'padding: 12px 15px; margin-bottom: 8px; background: #0a0a0a; border: 1px solid #1a1a1a; border-left: 2px solid #00d4ff; font-family: "Space Mono", monospace; font-size: 11px; color: #888; word-break: break-all;';
+    infoEl.style.cssText = 'padding: 12px 15px; margin-bottom: 8px; background: #0a0a0a; border: 1px solid #1a1a1a; border-left: 2px solid #00d4ff; font-family: "Roboto Condensed", "Arial Narrow", sans-serif; font-size: 11px; color: #888; word-break: break-all;';
     infoEl.textContent = text;
     output.insertBefore(infoEl, output.firstChild);
 }
@@ -387,7 +387,7 @@ function showError(text) {
 
     const errorEl = document.createElement('div');
     errorEl.className = 'error-msg';
-    errorEl.style.cssText = 'padding: 12px 15px; margin-bottom: 8px; background: #1a0a0a; border: 1px solid #2a1a1a; border-left: 2px solid #ff3366; font-family: "Space Mono", monospace; font-size: 11px; color: #ff6688; word-break: break-all;';
+    errorEl.style.cssText = 'padding: 12px 15px; margin-bottom: 8px; background: #1a0a0a; border: 1px solid #2a1a1a; border-left: 2px solid #ff3366; font-family: "Roboto Condensed", "Arial Narrow", sans-serif; font-size: 11px; color: #ff6688; word-break: break-all;';
     errorEl.textContent = '⚠ ' + text;
     output.insertBefore(errorEl, output.firstChild);
 }
@@ -488,10 +488,12 @@ function initApp() {
         });
     });
 
-    // Collapse all sections by default (except SDR Device which is first)
-    document.querySelectorAll('.section').forEach((section, index) => {
-        if (index > 0) {
+    // Collapse sidebar menu sections by default, but skip headerless utility blocks.
+    document.querySelectorAll('.sidebar .section').forEach((section) => {
+        if (section.querySelector('h3')) {
             section.classList.add('collapsed');
+        } else {
+            section.classList.remove('collapsed');
         }
     });
 

static/js/core/observer-location.js

@@ -1,7 +1,9 @@
 // Shared observer location helper for map-based modules.
 // Default: shared location enabled unless explicitly disabled via config.
 window.ObserverLocation = (function() {
-    const DEFAULT_LOCATION = { lat: 51.5074, lon: -0.1278 };
+    const DEFAULT_LOCATION = (window.INTERCEPT_DEFAULT_LAT && window.INTERCEPT_DEFAULT_LON)
+        ? { lat: window.INTERCEPT_DEFAULT_LAT, lon: window.INTERCEPT_DEFAULT_LON }
+        : { lat: 51.5074, lon: -0.1278 };
     const SHARED_KEY = 'observerLocation';
     const AIS_KEY = 'ais_observerLocation';
     const LEGACY_LAT_KEY = 'observerLat';
@@ -41,6 +43,10 @@ window.ObserverLocation = (function() {
         return normalize(lat, lon);
     }
 
+    function hasStoredLocation() {
+        return !!(readKey(SHARED_KEY) || readKey(AIS_KEY) || readLegacyLatLon());
+    }
+
     function getShared() {
         const current = readKey(SHARED_KEY);
         if (current) return current;
@@ -93,6 +99,7 @@ window.ObserverLocation = (function() {
 
     return {
         isSharedEnabled,
+        hasStoredLocation,
         getShared,
         setShared,
         getForModule,

static/js/core/recordings.js

@@ -0,0 +1,136 @@
+const RecordingUI = (function() {
+    'use strict';
+
+    let recordings = [];
+    let active = [];
+
+    function init() {
+        refresh();
+    }
+
+    function refresh() {
+        fetch('/recordings')
+            .then(r => r.json())
+            .then(data => {
+                if (data.status !== 'success') return;
+                recordings = data.recordings || [];
+                active = data.active || [];
+                renderActive();
+                renderRecordings();
+            })
+            .catch(err => console.error('[Recording] Load failed', err));
+    }
+
+    function start() {
+        const modeSelect = document.getElementById('recordingModeSelect');
+        const labelInput = document.getElementById('recordingLabelInput');
+        const mode = modeSelect ? modeSelect.value : '';
+        const label = labelInput ? labelInput.value : '';
+        if (!mode) return;
+
+        fetch('/recordings/start', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ mode, label })
+        })
+            .then(r => r.json())
+            .then(() => {
+                refresh();
+            })
+            .catch(err => console.error('[Recording] Start failed', err));
+    }
+
+    function stop() {
+        const modeSelect = document.getElementById('recordingModeSelect');
+        const mode = modeSelect ? modeSelect.value : '';
+        if (!mode) return;
+
+        fetch('/recordings/stop', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ mode })
+        })
+            .then(r => r.json())
+            .then(() => refresh())
+            .catch(err => console.error('[Recording] Stop failed', err));
+    }
+
+    function stopById(sessionId) {
+        fetch('/recordings/stop', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ id: sessionId })
+        }).then(() => refresh());
+    }
+
+    function renderActive() {
+        const container = document.getElementById('recordingActiveList');
+        if (!container) return;
+        if (!active.length) {
+            container.innerHTML = '<div class="settings-feed-empty">No active recordings</div>';
+            return;
+        }
+        container.innerHTML = active.map(session => {
+            return `
+                <div class="settings-feed-item">
+                    <div class="settings-feed-title">
+                        <span>${escapeHtml(session.mode)}</span>
+                        <button class="preset-btn" style="font-size: 9px; padding: 2px 6px;" onclick="RecordingUI.stopById('${session.id}')">Stop</button>
+                    </div>
+                    <div class="settings-feed-meta">Started: ${new Date(session.started_at).toLocaleString()}</div>
+                    <div class="settings-feed-meta">Events: ${session.event_count || 0}</div>
+                </div>
+            `;
+        }).join('');
+    }
+
+    function renderRecordings() {
+        const container = document.getElementById('recordingList');
+        if (!container) return;
+        if (!recordings.length) {
+            container.innerHTML = '<div class="settings-feed-empty">No recordings yet</div>';
+            return;
+        }
+        container.innerHTML = recordings.map(rec => {
+            return `
+                <div class="settings-feed-item">
+                    <div class="settings-feed-title">
+                        <span>${escapeHtml(rec.mode)}${rec.label ? ` • ${escapeHtml(rec.label)}` : ''}</span>
+                        <button class="preset-btn" style="font-size: 9px; padding: 2px 6px;" onclick="RecordingUI.download('${rec.id}')">Download</button>
+                    </div>
+                    <div class="settings-feed-meta">${new Date(rec.started_at).toLocaleString()}${rec.stopped_at ? ` → ${new Date(rec.stopped_at).toLocaleString()}` : ''}</div>
+                    <div class="settings-feed-meta">Events: ${rec.event_count || 0} • ${(rec.size_bytes || 0) / 1024.0 > 0 ? (rec.size_bytes / 1024).toFixed(1) + ' KB' : '0 KB'}</div>
+                </div>
+            `;
+        }).join('');
+    }
+
+    function download(sessionId) {
+        window.open(`/recordings/${sessionId}/download`, '_blank');
+    }
+
+    function escapeHtml(str) {
+        if (!str) return '';
+        return String(str)
+            .replace(/&/g, '&amp;')
+            .replace(/</g, '&lt;')
+            .replace(/>/g, '&gt;')
+            .replace(/"/g, '&quot;')
+            .replace(/'/g, '&#039;');
+    }
+
+    return {
+        init,
+        refresh,
+        start,
+        stop,
+        stopById,
+        download,
+    };
+})();
+
+document.addEventListener('DOMContentLoaded', () => {
+    if (typeof RecordingUI !== 'undefined') {
+        RecordingUI.init();
+    }
+});

static/js/core/settings-manager.js

@@ -833,11 +833,11 @@ function renderUpdateStatus(data) {
             <div style="display: grid; gap: 8px; font-size: 12px;">
                 <div style="display: flex; justify-content: space-between;">
                     <span style="color: var(--text-dim);">Current Version</span>
-                    <span style="font-family: 'Space Mono', monospace; color: var(--text-primary);">v${data.current_version}</span>
+                    <span style="font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif; color: var(--text-primary);">v${data.current_version}</span>
                 </div>
                 <div style="display: flex; justify-content: space-between;">
                     <span style="color: var(--text-dim);">Latest Version</span>
-                    <span style="font-family: 'Space Mono', monospace; color: ${data.update_available ? 'var(--accent-green)' : 'var(--text-primary)'};">v${data.latest_version}</span>
+                    <span style="font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif; color: ${data.update_available ? 'var(--accent-green)' : 'var(--text-primary)'};">v${data.latest_version}</span>
                 </div>
                 ${data.last_check ? `
                 <div style="display: flex; justify-content: space-between;">
@@ -922,5 +922,64 @@ function switchSettingsTab(tabName) {
         loadUpdateStatus();
     } else if (tabName === 'location') {
         loadObserverLocation();
+    } else if (tabName === 'alerts') {
+        if (typeof AlertCenter !== 'undefined') {
+            AlertCenter.loadFeed();
+        }
+    } else if (tabName === 'recording') {
+        if (typeof RecordingUI !== 'undefined') {
+            RecordingUI.refresh();
+        }
+    } else if (tabName === 'apikeys') {
+        loadApiKeyStatus();
     }
 }
+
+/**
+ * Load API key status into the API Keys settings tab
+ */
+function loadApiKeyStatus() {
+    const badge = document.getElementById('apiKeyStatusBadge');
+    const desc = document.getElementById('apiKeyStatusDesc');
+    const usage = document.getElementById('apiKeyUsageCount');
+    const bar = document.getElementById('apiKeyUsageBar');
+
+    if (!badge) return;
+
+    badge.textContent = 'Not available';
+        badge.className = 'asset-badge missing';
+        desc.textContent = 'GSM feature removed';
+}
+
+/**
+ * Save API key from the settings input
+ */
+function saveApiKey() {
+    const input = document.getElementById('apiKeyInput');
+    const result = document.getElementById('apiKeySaveResult');
+    if (!input || !result) return;
+
+    const key = input.value.trim();
+    if (!key) {
+        result.style.display = 'block';
+        result.style.color = 'var(--accent-red)';
+        result.textContent = 'Please enter an API key.';
+        return;
+    }
+
+    result.style.display = 'block';
+    result.style.color = 'var(--text-dim)';
+    result.textContent = 'Saving...';
+
+    result.style.color = 'var(--accent-red)';
+    result.textContent = 'GSM feature has been removed.';
+}
+
+/**
+ * Toggle API key input visibility
+ */
+function toggleApiKeyVisibility() {
+    const input = document.getElementById('apiKeyInput');
+    if (!input) return;
+    input.type = input.type === 'password' ? 'text' : 'password';
+}

static/js/modes/analytics.js

@@ -0,0 +1,215 @@
+/**
+ * Analytics Dashboard Module
+ * Cross-mode summary, sparklines, alerts, correlations, geofence management, export.
+ */
+const Analytics = (function () {
+    'use strict';
+
+    let refreshTimer = null;
+
+    function init() {
+        refresh();
+        if (!refreshTimer) {
+            refreshTimer = setInterval(refresh, 5000);
+        }
+    }
+
+    function destroy() {
+        if (refreshTimer) {
+            clearInterval(refreshTimer);
+            refreshTimer = null;
+        }
+    }
+
+    function refresh() {
+        Promise.all([
+            fetch('/analytics/summary').then(r => r.json()).catch(() => null),
+            fetch('/analytics/activity').then(r => r.json()).catch(() => null),
+            fetch('/alerts/events?limit=20').then(r => r.json()).catch(() => null),
+            fetch('/correlation').then(r => r.json()).catch(() => null),
+            fetch('/analytics/geofences').then(r => r.json()).catch(() => null),
+        ]).then(([summary, activity, alerts, correlations, geofences]) => {
+            if (summary) renderSummary(summary);
+            if (activity) renderSparklines(activity.sparklines || {});
+            if (alerts) renderAlerts(alerts.events || []);
+            if (correlations) renderCorrelations(correlations);
+            if (geofences) renderGeofences(geofences.zones || []);
+        });
+    }
+
+    function renderSummary(data) {
+        const counts = data.counts || {};
+        _setText('analyticsCountAdsb', counts.adsb || 0);
+        _setText('analyticsCountAis', counts.ais || 0);
+        _setText('analyticsCountWifi', counts.wifi || 0);
+        _setText('analyticsCountBt', counts.bluetooth || 0);
+        _setText('analyticsCountDsc', counts.dsc || 0);
+        _setText('analyticsCountAcars', counts.acars || 0);
+        _setText('analyticsCountVdl2', counts.vdl2 || 0);
+        _setText('analyticsCountAprs', counts.aprs || 0);
+        _setText('analyticsCountMesh', counts.meshtastic || 0);
+
+        // Health
+        const health = data.health || {};
+        const container = document.getElementById('analyticsHealth');
+        if (container) {
+            let html = '';
+            const modeLabels = {
+                pager: 'Pager', sensor: '433MHz', adsb: 'ADS-B', ais: 'AIS',
+                acars: 'ACARS', vdl2: 'VDL2', aprs: 'APRS', wifi: 'WiFi',
+                bluetooth: 'BT', dsc: 'DSC'
+            };
+            for (const [mode, info] of Object.entries(health)) {
+                if (mode === 'sdr_devices') continue;
+                const running = info && info.running;
+                const label = modeLabels[mode] || mode;
+                html += '<div class="health-item"><span class="health-dot' + (running ? ' running' : '') + '"></span>' + _esc(label) + '</div>';
+            }
+            container.innerHTML = html;
+        }
+
+        // Squawks
+        const squawks = data.squawks || [];
+        const sqSection = document.getElementById('analyticsSquawkSection');
+        const sqList = document.getElementById('analyticsSquawkList');
+        if (sqSection && sqList) {
+            if (squawks.length > 0) {
+                sqSection.style.display = '';
+                sqList.innerHTML = squawks.map(s =>
+                    '<div class="squawk-item"><strong>' + _esc(s.squawk) + '</strong> ' +
+                    _esc(s.meaning) + ' — ' + _esc(s.callsign || s.icao) + '</div>'
+                ).join('');
+            } else {
+                sqSection.style.display = 'none';
+            }
+        }
+    }
+
+    function renderSparklines(sparklines) {
+        const map = {
+            adsb: 'analyticsSparkAdsb',
+            ais: 'analyticsSparkAis',
+            wifi: 'analyticsSparkWifi',
+            bluetooth: 'analyticsSparkBt',
+            dsc: 'analyticsSparkDsc',
+        };
+
+        for (const [mode, elId] of Object.entries(map)) {
+            const el = document.getElementById(elId);
+            if (!el) continue;
+            const data = sparklines[mode] || [];
+            if (data.length < 2) {
+                el.innerHTML = '';
+                continue;
+            }
+            const max = Math.max(...data, 1);
+            const w = 100;
+            const h = 24;
+            const step = w / (data.length - 1);
+            const points = data.map((v, i) =>
+                (i * step).toFixed(1) + ',' + (h - (v / max) * (h - 2)).toFixed(1)
+            ).join(' ');
+            el.innerHTML = '<svg viewBox="0 0 ' + w + ' ' + h + '" preserveAspectRatio="none"><polyline points="' + points + '"/></svg>';
+        }
+    }
+
+    function renderAlerts(events) {
+        const container = document.getElementById('analyticsAlertFeed');
+        if (!container) return;
+        if (!events || events.length === 0) {
+            container.innerHTML = '<div class="analytics-empty">No recent alerts</div>';
+            return;
+        }
+        container.innerHTML = events.slice(0, 20).map(e => {
+            const sev = e.severity || 'medium';
+            const title = e.title || e.event_type || 'Alert';
+            const time = e.created_at ? new Date(e.created_at).toLocaleTimeString() : '';
+            return '<div class="analytics-alert-item">' +
+                '<span class="alert-severity ' + _esc(sev) + '">' + _esc(sev) + '</span>' +
+                '<span>' + _esc(title) + '</span>' +
+                '<span style="margin-left:auto;color:var(--text-dim)">' + _esc(time) + '</span>' +
+                '</div>';
+        }).join('');
+    }
+
+    function renderCorrelations(data) {
+        const container = document.getElementById('analyticsCorrelations');
+        if (!container) return;
+        const pairs = (data && data.correlations) || [];
+        if (pairs.length === 0) {
+            container.innerHTML = '<div class="analytics-empty">No correlations detected</div>';
+            return;
+        }
+        container.innerHTML = pairs.slice(0, 20).map(p => {
+            const conf = Math.round((p.confidence || 0) * 100);
+            return '<div class="analytics-correlation-pair">' +
+                '<span>' + _esc(p.wifi_mac || '') + '</span>' +
+                '<span style="color:var(--text-dim)">&#8596;</span>' +
+                '<span>' + _esc(p.bt_mac || '') + '</span>' +
+                '<div class="confidence-bar"><div class="confidence-fill" style="width:' + conf + '%"></div></div>' +
+                '<span style="color:var(--text-dim)">' + conf + '%</span>' +
+                '</div>';
+        }).join('');
+    }
+
+    function renderGeofences(zones) {
+        const container = document.getElementById('analyticsGeofenceList');
+        if (!container) return;
+        if (!zones || zones.length === 0) {
+            container.innerHTML = '<div class="analytics-empty">No geofence zones defined</div>';
+            return;
+        }
+        container.innerHTML = zones.map(z =>
+            '<div class="geofence-zone-item">' +
+            '<span class="zone-name">' + _esc(z.name) + '</span>' +
+            '<span class="zone-radius">' + z.radius_m + 'm</span>' +
+            '<button class="zone-delete" onclick="Analytics.deleteGeofence(' + z.id + ')">DEL</button>' +
+            '</div>'
+        ).join('');
+    }
+
+    function addGeofence() {
+        const name = prompt('Zone name:');
+        if (!name) return;
+        const lat = parseFloat(prompt('Latitude:', '0'));
+        const lon = parseFloat(prompt('Longitude:', '0'));
+        const radius = parseFloat(prompt('Radius (meters):', '1000'));
+        if (isNaN(lat) || isNaN(lon) || isNaN(radius)) {
+            alert('Invalid input');
+            return;
+        }
+        fetch('/analytics/geofences', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ name, lat, lon, radius_m: radius }),
+        })
+            .then(r => r.json())
+            .then(() => refresh());
+    }
+
+    function deleteGeofence(id) {
+        if (!confirm('Delete this geofence zone?')) return;
+        fetch('/analytics/geofences/' + id, { method: 'DELETE' })
+            .then(r => r.json())
+            .then(() => refresh());
+    }
+
+    function exportData(mode) {
+        const m = mode || (document.getElementById('exportMode') || {}).value || 'adsb';
+        const f = (document.getElementById('exportFormat') || {}).value || 'json';
+        window.open('/analytics/export/' + encodeURIComponent(m) + '?format=' + encodeURIComponent(f), '_blank');
+    }
+
+    // Helpers
+    function _setText(id, val) {
+        const el = document.getElementById(id);
+        if (el) el.textContent = val;
+    }
+
+    function _esc(s) {
+        if (typeof s !== 'string') s = String(s == null ? '' : s);
+        return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+    }
+
+    return { init, destroy, refresh, addGeofence, deleteGeofence, exportData };
+})();

static/js/modes/bluetooth.js

@@ -356,7 +356,9 @@ const BluetoothMode = (function() {
 
         // Update panel elements
         document.getElementById('btDetailName').textContent = device.name || formatDeviceId(device.address);
-        document.getElementById('btDetailAddress').textContent = device.address;
+        document.getElementById('btDetailAddress').textContent = isUuidAddress(device)
+            ? 'CB: ' + device.address
+            : device.address;
 
         // RSSI
         const rssiEl = document.getElementById('btDetailRssi');
@@ -367,6 +369,9 @@ const BluetoothMode = (function() {
         const badgesEl = document.getElementById('btDetailBadges');
         let badgesHtml = `<span class="bt-detail-badge ${protocol}">${protocol.toUpperCase()}</span>`;
         badgesHtml += `<span class="bt-detail-badge ${device.in_baseline ? 'baseline' : 'new'}">${device.in_baseline ? '✓ KNOWN' : '● NEW'}</span>`;
+        if (device.seen_before) {
+            badgesHtml += `<span class="bt-detail-badge flag">SEEN BEFORE</span>`;
+        }
 
         // Tracker badge
         if (device.is_tracker) {
@@ -455,6 +460,98 @@ const BluetoothMode = (function() {
             ? new Date(device.last_seen).toLocaleTimeString()
             : '--';
 
+        // New stat cells
+        document.getElementById('btDetailTxPower').textContent = device.tx_power != null
+            ? device.tx_power + ' dBm' : '--';
+        document.getElementById('btDetailSeenRate').textContent = device.seen_rate != null
+            ? device.seen_rate.toFixed(1) + '/min' : '--';
+
+        // Stability from variance
+        const stabilityEl = document.getElementById('btDetailStability');
+        if (device.rssi_variance != null) {
+            let stabLabel, stabColor;
+            if (device.rssi_variance <= 5) { stabLabel = 'Stable'; stabColor = '#22c55e'; }
+            else if (device.rssi_variance <= 25) { stabLabel = 'Moderate'; stabColor = '#eab308'; }
+            else { stabLabel = 'Unstable'; stabColor = '#ef4444'; }
+            stabilityEl.textContent = stabLabel;
+            stabilityEl.style.color = stabColor;
+        } else {
+            stabilityEl.textContent = '--';
+            stabilityEl.style.color = '';
+        }
+
+        // Distance with confidence
+        const distEl = document.getElementById('btDetailDistance');
+        if (device.estimated_distance_m != null) {
+            const confPct = Math.round((device.distance_confidence || 0) * 100);
+            distEl.textContent = device.estimated_distance_m.toFixed(1) + 'm ±' + confPct + '%';
+        } else {
+            distEl.textContent = '--';
+        }
+
+        // Appearance badge
+        if (device.appearance_name) {
+            badgesHtml += '<span class="bt-detail-badge flag">' + escapeHtml(device.appearance_name) + '</span>';
+            badgesEl.innerHTML = badgesHtml;
+        }
+
+        // MAC cluster indicator
+        const macClusterEl = document.getElementById('btDetailMacCluster');
+        if (macClusterEl) {
+            if (device.mac_cluster_count > 1) {
+                macClusterEl.textContent = device.mac_cluster_count + ' MACs';
+                macClusterEl.style.display = '';
+            } else {
+                macClusterEl.style.display = 'none';
+            }
+        }
+
+        // Service data inspector
+        const inspectorEl = document.getElementById('btDetailServiceInspector');
+        const inspectorContent = document.getElementById('btInspectorContent');
+        if (inspectorEl && inspectorContent) {
+            const hasData = device.manufacturer_bytes || device.appearance != null ||
+                (device.service_data && Object.keys(device.service_data).length > 0);
+            if (hasData) {
+                inspectorEl.style.display = '';
+                let inspHtml = '';
+                if (device.appearance != null) {
+                    const name = device.appearance_name || '';
+                    inspHtml += '<div class="bt-inspector-row"><span class="bt-inspector-label">Appearance</span><span class="bt-inspector-value">0x' + device.appearance.toString(16).toUpperCase().padStart(4, '0') + (name ? ' (' + escapeHtml(name) + ')' : '') + '</span></div>';
+                }
+                if (device.manufacturer_bytes) {
+                    inspHtml += '<div class="bt-inspector-row"><span class="bt-inspector-label">Mfr Data</span><span class="bt-inspector-value">' + escapeHtml(device.manufacturer_bytes) + '</span></div>';
+                }
+                if (device.service_data) {
+                    Object.entries(device.service_data).forEach(([uuid, hex]) => {
+                        inspHtml += '<div class="bt-inspector-row"><span class="bt-inspector-label">' + escapeHtml(uuid) + '</span><span class="bt-inspector-value">' + escapeHtml(hex) + '</span></div>';
+                    });
+                }
+                inspectorContent.innerHTML = inspHtml;
+            } else {
+                inspectorEl.style.display = 'none';
+            }
+        }
+
+        updateWatchlistButton(device);
+
+        // IRK
+        const irkContainer = document.getElementById('btDetailIrk');
+        if (irkContainer) {
+            if (device.has_irk) {
+                irkContainer.style.display = 'block';
+                const irkVal = document.getElementById('btDetailIrkValue');
+                if (irkVal) {
+                    const label = device.irk_source_name
+                        ? device.irk_source_name + ' — ' + device.irk_hex
+                        : device.irk_hex;
+                    irkVal.textContent = label;
+                }
+            } else {
+                irkContainer.style.display = 'none';
+            }
+        }
+
         // Services
         const servicesContainer = document.getElementById('btDetailServices');
         const servicesList = document.getElementById('btDetailServicesList');
@@ -473,6 +570,22 @@ const BluetoothMode = (function() {
         highlightSelectedDevice(deviceId);
     }
 
+    /**
+     * Update watchlist button state
+     */
+    function updateWatchlistButton(device) {
+        const btn = document.getElementById('btDetailWatchBtn');
+        if (!btn) return;
+        if (typeof AlertCenter === 'undefined') {
+            btn.style.display = 'none';
+            return;
+        }
+        btn.style.display = '';
+        const watchlisted = AlertCenter.isWatchlisted(device.address);
+        btn.textContent = watchlisted ? 'Watching' : 'Watchlist';
+        btn.classList.toggle('active', watchlisted);
+    }
+
     /**
      * Clear device selection
      */
@@ -531,7 +644,7 @@ const BluetoothMode = (function() {
         if (!device) return;
 
         navigator.clipboard.writeText(device.address).then(() => {
-            const btn = document.querySelector('.bt-detail-btn');
+            const btn = document.getElementById('btDetailCopyBtn');
             if (btn) {
                 const originalText = btn.textContent;
                 btn.textContent = 'Copied!';
@@ -544,6 +657,25 @@ const BluetoothMode = (function() {
         });
     }
 
+    /**
+     * Toggle Bluetooth watchlist for selected device
+     */
+    function toggleWatchlist() {
+        if (!selectedDeviceId) return;
+        const device = devices.get(selectedDeviceId);
+        if (!device || typeof AlertCenter === 'undefined') return;
+
+        if (AlertCenter.isWatchlisted(device.address)) {
+            AlertCenter.removeBluetoothWatchlist(device.address);
+            showInfo('Removed from watchlist');
+        } else {
+            AlertCenter.addBluetoothWatchlist(device.address, device.name || device.address);
+            showInfo('Added to watchlist');
+        }
+
+        setTimeout(() => updateWatchlistButton(device), 200);
+    }
+
     /**
      * Select a device - opens modal with details
      */
@@ -560,9 +692,25 @@ const BluetoothMode = (function() {
         if (parts.length === 6) {
             return parts[0] + ':' + parts[1] + ':...:' + parts[4] + ':' + parts[5];
         }
+        // CoreBluetooth UUID format (8-4-4-4-12)
+        if (/^[0-9A-F]{8}-[0-9A-F]{4}-/i.test(address)) {
+            return address.substring(0, 8) + '...';
+        }
         return address;
     }
 
+    function isUuidAddress(device) {
+        return device.address_type === 'uuid';
+    }
+
+    function formatAddress(device) {
+        if (!device || !device.address) return '--';
+        if (isUuidAddress(device)) {
+            return device.address.substring(0, 8) + '-...' + device.address.slice(-4);
+        }
+        return device.address;
+    }
+
     /**
      * Check system capabilities
      */
@@ -620,6 +768,12 @@ const BluetoothMode = (function() {
                 hideCapabilityWarning();
             }
 
+            // Show/hide Ubertooth option based on capabilities
+            const ubertoothOption = document.getElementById('btScanModeUbertooth');
+            if (ubertoothOption) {
+                ubertoothOption.style.display = data.has_ubertooth ? '' : 'none';
+            }
+
             if (scanModeSelect && data.preferred_backend) {
                 const option = scanModeSelect.querySelector(`option[value="${data.preferred_backend}"]`);
                 if (option) option.selected = true;
@@ -1045,7 +1199,7 @@ const BluetoothMode = (function() {
                             '</div>' +
                         '</div>' +
                         '<div style="display:flex;justify-content:space-between;margin-top:3px;">' +
-                            '<span style="font-size:9px;color:#888;font-family:monospace;">' + t.address + '</span>' +
+                            '<span style="font-size:9px;color:#888;font-family:monospace;">' + (t.address_type === 'uuid' ? formatAddress(t) : t.address) + '</span>' +
                             '<span style="font-size:9px;color:#666;">Seen ' + (t.seen_count || 0) + 'x</span>' +
                         '</div>' +
                         evidenceHtml +
@@ -1094,6 +1248,7 @@ const BluetoothMode = (function() {
         const trackerConfidence = device.tracker_confidence;
         const riskScore = device.risk_score || 0;
         const agentName = device._agent || 'Local';
+        const seenBefore = device.seen_before === true;
 
         // Calculate RSSI bar width (0-100%)
         // RSSI typically ranges from -100 (weak) to -30 (very strong)
@@ -1101,7 +1256,7 @@ const BluetoothMode = (function() {
 
         const displayName = device.name || formatDeviceId(device.address);
         const name = escapeHtml(displayName);
-        const addr = escapeHtml(device.address || 'Unknown');
+        const addr = escapeHtml(isUuidAddress(device) ? formatAddress(device) : (device.address || 'Unknown'));
         const mfr = device.manufacturer_name ? escapeHtml(device.manufacturer_name) : '';
         const seenCount = device.seen_count || 0;
         const deviceIdEscaped = escapeHtml(device.device_id).replace(/'/g, "\\'");
@@ -1126,6 +1281,12 @@ const BluetoothMode = (function() {
             trackerBadge = '<span class="bt-tracker-badge" style="background:' + confBg + ';color:' + confColor + ';font-size:9px;padding:1px 4px;border-radius:3px;margin-left:4px;font-weight:600;">' + typeLabel + '</span>';
         }
 
+        // IRK badge - show if paired IRK is available
+        let irkBadge = '';
+        if (device.has_irk) {
+            irkBadge = '<span class="bt-irk-badge">IRK</span>';
+        }
+
         // Risk badge - show if risk score is significant
         let riskBadge = '';
         if (riskScore >= 0.3) {
@@ -1143,10 +1304,38 @@ const BluetoothMode = (function() {
             statusDot = '<span class="bt-status-dot known"></span>';
         }
 
+        // Distance display
+        const distM = device.estimated_distance_m;
+        let distStr = '';
+        if (distM != null) {
+            distStr = '~' + distM.toFixed(1) + 'm';
+        }
+
+        // Behavioral flag badges
+        const hFlags = device.heuristic_flags || [];
+        let flagBadges = '';
+        if (device.is_persistent || hFlags.includes('persistent')) {
+            flagBadges += '<span class="bt-flag-badge persistent">PERSIST</span>';
+        }
+        if (device.is_beacon_like || hFlags.includes('beacon_like')) {
+            flagBadges += '<span class="bt-flag-badge beacon-like">BEACON</span>';
+        }
+        if (device.is_strong_stable || hFlags.includes('strong_stable')) {
+            flagBadges += '<span class="bt-flag-badge strong-stable">STABLE</span>';
+        }
+
+        // MAC cluster badge
+        let clusterBadge = '';
+        if (device.mac_cluster_count > 1) {
+            clusterBadge = '<span class="bt-mac-cluster-badge">' + device.mac_cluster_count + ' MACs</span>';
+        }
+
         // Build secondary info line
         let secondaryParts = [addr];
         if (mfr) secondaryParts.push(mfr);
+        if (distStr) secondaryParts.push(distStr);
         secondaryParts.push('Seen ' + seenCount + '×');
+        if (seenBefore) secondaryParts.push('<span class="bt-history-badge">SEEN BEFORE</span>');
         // Add agent name if not Local
         if (agentName !== 'Local') {
             secondaryParts.push('<span class="agent-badge agent-remote" style="font-size:8px;padding:1px 4px;">' + escapeHtml(agentName) + '</span>');
@@ -1163,7 +1352,10 @@ const BluetoothMode = (function() {
                     protoBadge +
                     '<span class="bt-device-name">' + name + '</span>' +
                     trackerBadge +
+                    irkBadge +
                     riskBadge +
+                    flagBadges +
+                    clusterBadge +
                 '</div>' +
                 '<div class="bt-row-right">' +
                     '<div class="bt-rssi-container">' +
@@ -1174,6 +1366,11 @@ const BluetoothMode = (function() {
                 '</div>' +
             '</div>' +
             '<div class="bt-row-secondary">' + secondaryInfo + '</div>' +
+            '<div class="bt-row-actions">' +
+                '<button class="bt-locate-btn" data-locate-id="' + escapeHtml(device.device_id) + '" onclick="event.stopPropagation(); BluetoothMode.locateById(this.dataset.locateId)">' +
+                    '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="10" r="3"/><path d="M12 21.7C17.3 17 20 13 20 10a8 8 0 1 0-16 0c0 3 2.7 7 8 11.7z"/></svg>' +
+                    'Locate</button>' +
+            '</div>' +
         '</div>';
     }
 
@@ -1253,6 +1450,18 @@ const BluetoothMode = (function() {
         }
     }
 
+    /**
+     * Toggle the service data inspector panel
+     */
+    function toggleServiceInspector() {
+        const content = document.getElementById('btInspectorContent');
+        const arrow = document.getElementById('btInspectorArrow');
+        if (!content) return;
+        const open = content.style.display === 'none';
+        content.style.display = open ? '' : 'none';
+        if (arrow) arrow.classList.toggle('open', open);
+    }
+
     // ==========================================================================
     // Agent Handling
     // ==========================================================================
@@ -1349,6 +1558,48 @@ const BluetoothMode = (function() {
         updateRadar();
     }
 
+    /**
+     * Hand off a device to BT Locate mode by device_id lookup.
+     */
+    function locateById(deviceId) {
+        console.log('[BT] locateById called with:', deviceId);
+        const device = devices.get(deviceId);
+        if (!device) {
+            console.warn('[BT] Device not found in map for id:', deviceId);
+            return;
+        }
+        doLocateHandoff(device);
+    }
+
+    /**
+     * Hand off the currently selected device to BT Locate mode.
+     */
+    function locateDevice() {
+        if (!selectedDeviceId) return;
+        const device = devices.get(selectedDeviceId);
+        if (!device) return;
+        doLocateHandoff(device);
+    }
+
+    function doLocateHandoff(device) {
+        console.log('[BT] doLocateHandoff, BtLocate defined:', typeof BtLocate !== 'undefined');
+        if (typeof BtLocate !== 'undefined') {
+            BtLocate.handoff({
+                device_id: device.device_id,
+                mac_address: device.address,
+                address_type: device.address_type || null,
+                irk_hex: device.irk_hex || null,
+                known_name: device.name || null,
+                known_manufacturer: device.manufacturer_name || null,
+                last_known_rssi: device.rssi_current,
+                tx_power: device.tx_power || null,
+                appearance_name: device.appearance_name || null,
+                fingerprint_id: device.fingerprint_id || null,
+                mac_cluster_count: device.mac_cluster_count || 0
+            });
+        }
+    }
+
     // Public API
     return {
         init,
@@ -1361,6 +1612,10 @@ const BluetoothMode = (function() {
         selectDevice,
         clearSelection,
         copyAddress,
+        toggleWatchlist,
+        locateDevice,
+        locateById,
+        toggleServiceInspector,
 
         // Agent handling
         handleAgentChange,

static/js/modes/bt_locate.js

@@ -0,0 +1,749 @@
+/**
+ * BT Locate — Bluetooth SAR Device Location Mode
+ * GPS-tagged signal trail mapping with proximity audio alerts.
+ */
+const BtLocate = (function() {
+    'use strict';
+
+    let eventSource = null;
+    let map = null;
+    let mapMarkers = [];
+    let trailLine = null;
+    let rssiHistory = [];
+    const MAX_RSSI_POINTS = 60;
+    let chartCanvas = null;
+    let chartCtx = null;
+    let currentEnvironment = 'OUTDOOR';
+    let audioCtx = null;
+    let audioEnabled = false;
+    let beepTimer = null;
+    let initialized = false;
+    let handoffData = null;
+    let pollTimer = null;
+    let durationTimer = null;
+    let sessionStartedAt = null;
+    let lastDetectionCount = 0;
+
+    function init() {
+        if (initialized) {
+            // Re-invalidate map on re-entry and ensure tiles are present
+            if (map) {
+                setTimeout(() => {
+                    map.invalidateSize();
+                    // Re-apply user's tile layer if tiles were lost
+                    let hasTiles = false;
+                    map.eachLayer(layer => {
+                        if (layer instanceof L.TileLayer) hasTiles = true;
+                    });
+                    if (!hasTiles && typeof Settings !== 'undefined' && Settings.createTileLayer) {
+                        Settings.createTileLayer().addTo(map);
+                    }
+                }, 150);
+            }
+            checkStatus();
+            return;
+        }
+
+        // Init map
+        const mapEl = document.getElementById('btLocateMap');
+        if (mapEl && typeof L !== 'undefined') {
+            map = L.map('btLocateMap', {
+                center: [0, 0],
+                zoom: 2,
+                zoomControl: true,
+            });
+            // Use tile provider from user settings
+            if (typeof Settings !== 'undefined' && Settings.createTileLayer) {
+                Settings.createTileLayer().addTo(map);
+                Settings.registerMap(map);
+            } else {
+                L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png', {
+                    maxZoom: 19,
+                    attribution: '© OSM © CARTO'
+                }).addTo(map);
+            }
+            setTimeout(() => map.invalidateSize(), 100);
+        }
+
+        // Init RSSI chart canvas
+        chartCanvas = document.getElementById('btLocateRssiChart');
+        if (chartCanvas) {
+            chartCtx = chartCanvas.getContext('2d');
+        }
+
+        checkStatus();
+        initialized = true;
+    }
+
+    function checkStatus() {
+        fetch('/bt_locate/status')
+            .then(r => r.json())
+            .then(data => {
+                if (data.active) {
+                    sessionStartedAt = data.started_at ? new Date(data.started_at).getTime() : Date.now();
+                    showActiveUI();
+                    updateScanStatus(data);
+                    if (!eventSource) connectSSE();
+                    // Restore trail from server
+                    fetch('/bt_locate/trail')
+                        .then(r => r.json())
+                        .then(trail => {
+                            if (trail.gps_trail) {
+                                trail.gps_trail.forEach(p => addMapMarker(p));
+                            }
+                            updateStats(data.detection_count, data.gps_trail_count);
+                        });
+                }
+            })
+            .catch(() => {});
+    }
+
+    function start() {
+        const mac = document.getElementById('btLocateMac')?.value.trim();
+        const namePattern = document.getElementById('btLocateNamePattern')?.value.trim();
+        const irk = document.getElementById('btLocateIrk')?.value.trim();
+
+        const body = { environment: currentEnvironment };
+        if (mac) body.mac_address = mac;
+        if (namePattern) body.name_pattern = namePattern;
+        if (irk) body.irk_hex = irk;
+        if (handoffData?.device_id) body.device_id = handoffData.device_id;
+        if (handoffData?.known_name) body.known_name = handoffData.known_name;
+        if (handoffData?.known_manufacturer) body.known_manufacturer = handoffData.known_manufacturer;
+        if (handoffData?.last_known_rssi) body.last_known_rssi = handoffData.last_known_rssi;
+
+        // Include user location as fallback when GPS unavailable
+        const userLat = localStorage.getItem('observerLat');
+        const userLon = localStorage.getItem('observerLon');
+        if (userLat && userLon) {
+            body.fallback_lat = parseFloat(userLat);
+            body.fallback_lon = parseFloat(userLon);
+        }
+
+        console.log('[BtLocate] Starting with body:', body);
+
+        if (!body.mac_address && !body.name_pattern && !body.irk_hex && !body.device_id) {
+            alert('Please provide at least a MAC address, name pattern, IRK, or use hand-off from Bluetooth mode.');
+            return;
+        }
+
+        fetch('/bt_locate/start', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(body),
+        })
+            .then(r => r.json())
+            .then(data => {
+                if (data.status === 'started') {
+                    sessionStartedAt = data.session?.started_at ? new Date(data.session.started_at).getTime() : Date.now();
+                    showActiveUI();
+                    connectSSE();
+                    rssiHistory = [];
+                    updateScanStatus(data.session);
+                    // Restore any existing trail (e.g. from a stop/start cycle)
+                    restoreTrail();
+                }
+            })
+            .catch(err => console.error('[BtLocate] Start error:', err));
+    }
+
+    function stop() {
+        fetch('/bt_locate/stop', { method: 'POST' })
+            .then(r => r.json())
+            .then(() => {
+                showIdleUI();
+                disconnectSSE();
+                stopAudio();
+            })
+            .catch(err => console.error('[BtLocate] Stop error:', err));
+    }
+
+    function showActiveUI() {
+        const startBtn = document.getElementById('btLocateStartBtn');
+        const stopBtn = document.getElementById('btLocateStopBtn');
+        if (startBtn) startBtn.style.display = 'none';
+        if (stopBtn) stopBtn.style.display = 'inline-block';
+        show('btLocateHud');
+    }
+
+    function showIdleUI() {
+        const startBtn = document.getElementById('btLocateStartBtn');
+        const stopBtn = document.getElementById('btLocateStopBtn');
+        if (startBtn) startBtn.style.display = 'inline-block';
+        if (stopBtn) stopBtn.style.display = 'none';
+        hide('btLocateHud');
+        hide('btLocateScanStatus');
+    }
+
+    function updateScanStatus(statusData) {
+        const el = document.getElementById('btLocateScanStatus');
+        const dot = document.getElementById('btLocateScanDot');
+        const text = document.getElementById('btLocateScanText');
+        if (!el) return;
+
+        el.style.display = '';
+        if (statusData && statusData.scanner_running) {
+            if (dot) dot.style.background = '#22c55e';
+            if (text) text.textContent = 'BT scanner active';
+        } else {
+            if (dot) dot.style.background = '#f97316';
+            if (text) text.textContent = 'BT scanner not running — waiting...';
+        }
+    }
+
+    function show(id) { const el = document.getElementById(id); if (el) el.style.display = ''; }
+    function hide(id) { const el = document.getElementById(id); if (el) el.style.display = 'none'; }
+
+    function connectSSE() {
+        if (eventSource) eventSource.close();
+        console.log('[BtLocate] Connecting SSE stream');
+        eventSource = new EventSource('/bt_locate/stream');
+
+        eventSource.addEventListener('detection', function(e) {
+            try {
+                const event = JSON.parse(e.data);
+                console.log('[BtLocate] Detection event:', event);
+                handleDetection(event);
+            } catch (err) {
+                console.error('[BtLocate] Parse error:', err);
+            }
+        });
+
+        eventSource.addEventListener('session_ended', function() {
+            showIdleUI();
+            disconnectSSE();
+        });
+
+        eventSource.onerror = function() {
+            console.warn('[BtLocate] SSE error, polling fallback active');
+        };
+
+        // Start polling fallback (catches data even if SSE fails)
+        startPolling();
+    }
+
+    function disconnectSSE() {
+        if (eventSource) {
+            eventSource.close();
+            eventSource = null;
+        }
+        stopPolling();
+    }
+
+    function startPolling() {
+        stopPolling();
+        lastDetectionCount = 0;
+        pollTimer = setInterval(pollStatus, 3000);
+        startDurationTimer();
+    }
+
+    function stopPolling() {
+        if (pollTimer) {
+            clearInterval(pollTimer);
+            pollTimer = null;
+        }
+        stopDurationTimer();
+    }
+
+    function startDurationTimer() {
+        stopDurationTimer();
+        durationTimer = setInterval(updateDuration, 1000);
+    }
+
+    function stopDurationTimer() {
+        if (durationTimer) {
+            clearInterval(durationTimer);
+            durationTimer = null;
+        }
+    }
+
+    function updateDuration() {
+        if (!sessionStartedAt) return;
+        const elapsed = Math.round((Date.now() - sessionStartedAt) / 1000);
+        const mins = Math.floor(elapsed / 60);
+        const secs = elapsed % 60;
+        const timeEl = document.getElementById('btLocateSessionTime');
+        if (timeEl) timeEl.textContent = mins + ':' + String(secs).padStart(2, '0');
+    }
+
+    function pollStatus() {
+        fetch('/bt_locate/status')
+            .then(r => r.json())
+            .then(data => {
+                if (!data.active) {
+                    showIdleUI();
+                    disconnectSSE();
+                    return;
+                }
+
+                updateScanStatus(data);
+                updateHudInfo(data);
+
+                // Show diagnostics
+                const diagEl = document.getElementById('btLocateDiag');
+                if (diagEl) {
+                    let diag = 'Polls: ' + (data.poll_count || 0) +
+                        (data.poll_thread_alive === false ? ' DEAD' : '') +
+                        ' | Scan: ' + (data.scanner_running ? 'Y' : 'N') +
+                        ' | Devices: ' + (data.scanner_device_count || 0) +
+                        ' | Det: ' + (data.detection_count || 0);
+                    // Show debug device sample if no detections
+                    if (data.detection_count === 0 && data.debug_devices && data.debug_devices.length > 0) {
+                        const matched = data.debug_devices.filter(d => d.match);
+                        const sample = data.debug_devices.slice(0, 3).map(d =>
+                            (d.name || '?') + '|' + (d.id || '').substring(0, 12) + ':' + (d.match ? 'Y' : 'N')
+                        ).join(', ');
+                        diag += ' | Match:' + matched.length + '/' + data.debug_devices.length + ' [' + sample + ']';
+                    }
+                    diagEl.textContent = diag;
+                }
+
+                // If detection count increased, fetch new trail points
+                if (data.detection_count > lastDetectionCount) {
+                    lastDetectionCount = data.detection_count;
+                    fetch('/bt_locate/trail')
+                        .then(r => r.json())
+                        .then(trail => {
+                            if (trail.trail && trail.trail.length > 0) {
+                                const latest = trail.trail[trail.trail.length - 1];
+                                handleDetection({ data: latest });
+                            }
+                            updateStats(data.detection_count, data.gps_trail_count);
+                        });
+                }
+            })
+            .catch(() => {});
+    }
+
+    function updateHudInfo(data) {
+        // Target info
+        const targetEl = document.getElementById('btLocateTargetInfo');
+        if (targetEl && data.target) {
+            const t = data.target;
+            const name = t.known_name || t.name_pattern || '';
+            const addr = t.mac_address || t.device_id || '';
+            const addrDisplay = formatAddr(addr);
+            targetEl.textContent = name ? (name + (addrDisplay ? ' (' + addrDisplay + ')' : '')) : addrDisplay || '--';
+        }
+
+        // Environment info
+        const envEl = document.getElementById('btLocateEnvInfo');
+        if (envEl) {
+            const envNames = { FREE_SPACE: 'Open Field', OUTDOOR: 'Outdoor', INDOOR: 'Indoor', CUSTOM: 'Custom' };
+            envEl.textContent = (envNames[data.environment] || data.environment) + ' n=' + (data.path_loss_exponent || '?');
+        }
+
+        // GPS status
+        const gpsEl = document.getElementById('btLocateGpsStatus');
+        if (gpsEl) {
+            const src = data.gps_source || 'none';
+            if (src === 'live') gpsEl.textContent = 'GPS: Live';
+            else if (src === 'manual') gpsEl.textContent = 'GPS: Manual';
+            else gpsEl.textContent = 'GPS: None';
+        }
+
+        // Last seen
+        const lastEl = document.getElementById('btLocateLastSeen');
+        if (lastEl) {
+            if (data.last_detection) {
+                const ago = Math.round((Date.now() - new Date(data.last_detection).getTime()) / 1000);
+                lastEl.textContent = 'Last: ' + (ago < 60 ? ago + 's ago' : Math.floor(ago / 60) + 'm ago');
+            } else {
+                lastEl.textContent = 'Last: --';
+            }
+        }
+
+        // Session start time (duration handled by 1s timer)
+        if (data.started_at && !sessionStartedAt) {
+            sessionStartedAt = new Date(data.started_at).getTime();
+        }
+    }
+
+    function handleDetection(event) {
+        const d = event.data;
+        if (!d) return;
+
+        // Update proximity UI
+        const bandEl = document.getElementById('btLocateBand');
+        const distEl = document.getElementById('btLocateDistance');
+        const rssiEl = document.getElementById('btLocateRssi');
+        const rssiEmaEl = document.getElementById('btLocateRssiEma');
+
+        if (bandEl) {
+            bandEl.textContent = d.proximity_band;
+            bandEl.className = 'btl-hud-band ' + d.proximity_band.toLowerCase();
+        }
+        if (distEl) distEl.textContent = d.estimated_distance.toFixed(1);
+        if (rssiEl) rssiEl.textContent = d.rssi;
+        if (rssiEmaEl) rssiEmaEl.textContent = d.rssi_ema.toFixed(1);
+
+        // RSSI sparkline
+        rssiHistory.push(d.rssi);
+        if (rssiHistory.length > MAX_RSSI_POINTS) rssiHistory.shift();
+        drawRssiChart();
+
+        // Map marker
+        if (d.lat != null && d.lon != null) {
+            addMapMarker(d);
+        }
+
+        // Update stats
+        const detCountEl = document.getElementById('btLocateDetectionCount');
+        const gpsCountEl = document.getElementById('btLocateGpsCount');
+        if (detCountEl) {
+            const cur = parseInt(detCountEl.textContent) || 0;
+            detCountEl.textContent = cur + 1;
+        }
+        if (gpsCountEl && d.lat != null) {
+            const cur = parseInt(gpsCountEl.textContent) || 0;
+            gpsCountEl.textContent = cur + 1;
+        }
+
+        // Audio
+        if (audioEnabled) playProximityTone(d.rssi);
+    }
+
+    function updateStats(detections, gpsPoints) {
+        const detCountEl = document.getElementById('btLocateDetectionCount');
+        const gpsCountEl = document.getElementById('btLocateGpsCount');
+        if (detCountEl) detCountEl.textContent = detections || 0;
+        if (gpsCountEl) gpsCountEl.textContent = gpsPoints || 0;
+    }
+
+    function addMapMarker(point) {
+        if (!map || point.lat == null || point.lon == null) return;
+
+        const band = (point.proximity_band || 'FAR').toLowerCase();
+        const colors = { immediate: '#ef4444', near: '#f97316', far: '#eab308' };
+        const sizes = { immediate: 8, near: 6, far: 5 };
+        const color = colors[band] || '#eab308';
+        const radius = sizes[band] || 5;
+
+        const marker = L.circleMarker([point.lat, point.lon], {
+            radius: radius,
+            fillColor: color,
+            color: '#fff',
+            weight: 1,
+            opacity: 0.9,
+            fillOpacity: 0.8,
+        }).addTo(map);
+
+        marker.bindPopup(
+            '<div style="font-family:monospace;font-size:11px;">' +
+            '<b>' + point.proximity_band + '</b><br>' +
+            'RSSI: ' + point.rssi + ' dBm<br>' +
+            'Distance: ~' + point.estimated_distance.toFixed(1) + ' m<br>' +
+            'Time: ' + new Date(point.timestamp).toLocaleTimeString() +
+            '</div>'
+        );
+
+        mapMarkers.push(marker);
+        map.panTo([point.lat, point.lon]);
+
+        // Update trail line
+        const latlngs = mapMarkers.map(m => m.getLatLng());
+        if (trailLine) {
+            trailLine.setLatLngs(latlngs);
+        } else if (latlngs.length >= 2) {
+            trailLine = L.polyline(latlngs, {
+                color: 'rgba(0,255,136,0.5)',
+                weight: 2,
+                dashArray: '4 4',
+            }).addTo(map);
+        }
+    }
+
+    function restoreTrail() {
+        fetch('/bt_locate/trail')
+            .then(r => r.json())
+            .then(trail => {
+                if (trail.gps_trail && trail.gps_trail.length > 0) {
+                    clearMapMarkers();
+                    trail.gps_trail.forEach(p => addMapMarker(p));
+                }
+                if (trail.trail && trail.trail.length > 0) {
+                    // Restore RSSI history from trail
+                    rssiHistory = trail.trail.map(p => p.rssi).slice(-MAX_RSSI_POINTS);
+                    drawRssiChart();
+                    // Update HUD with latest detection
+                    const latest = trail.trail[trail.trail.length - 1];
+                    handleDetection({ data: latest });
+                }
+            })
+            .catch(() => {});
+    }
+
+    function clearMapMarkers() {
+        mapMarkers.forEach(m => map?.removeLayer(m));
+        mapMarkers = [];
+        if (trailLine) {
+            map?.removeLayer(trailLine);
+            trailLine = null;
+        }
+    }
+
+    function drawRssiChart() {
+        if (!chartCtx || !chartCanvas) return;
+
+        const w = chartCanvas.width = chartCanvas.parentElement.clientWidth - 16;
+        const h = chartCanvas.height = chartCanvas.parentElement.clientHeight - 24;
+        chartCtx.clearRect(0, 0, w, h);
+
+        if (rssiHistory.length < 2) return;
+
+        // RSSI range: -100 to -20
+        const minR = -100, maxR = -20;
+        const range = maxR - minR;
+
+        // Grid lines
+        chartCtx.strokeStyle = 'rgba(255,255,255,0.05)';
+        chartCtx.lineWidth = 1;
+        [-30, -50, -70, -90].forEach(v => {
+            const y = h - ((v - minR) / range) * h;
+            chartCtx.beginPath();
+            chartCtx.moveTo(0, y);
+            chartCtx.lineTo(w, y);
+            chartCtx.stroke();
+        });
+
+        // Draw RSSI line
+        const step = w / (MAX_RSSI_POINTS - 1);
+        chartCtx.beginPath();
+        chartCtx.strokeStyle = '#00ff88';
+        chartCtx.lineWidth = 2;
+
+        rssiHistory.forEach((rssi, i) => {
+            const x = i * step;
+            const y = h - ((rssi - minR) / range) * h;
+            if (i === 0) chartCtx.moveTo(x, y);
+            else chartCtx.lineTo(x, y);
+        });
+        chartCtx.stroke();
+
+        // Fill under
+        const lastIdx = rssiHistory.length - 1;
+        chartCtx.lineTo(lastIdx * step, h);
+        chartCtx.lineTo(0, h);
+        chartCtx.closePath();
+        chartCtx.fillStyle = 'rgba(0,255,136,0.08)';
+        chartCtx.fill();
+    }
+
+    // Audio proximity tone (Web Audio API)
+    function playTone(freq, duration) {
+        if (!audioCtx || audioCtx.state !== 'running') return;
+        const osc = audioCtx.createOscillator();
+        const gain = audioCtx.createGain();
+        osc.connect(gain);
+        gain.connect(audioCtx.destination);
+        osc.frequency.value = freq;
+        osc.type = 'sine';
+        gain.gain.value = 0.2;
+        gain.gain.exponentialRampToValueAtTime(0.001, audioCtx.currentTime + duration);
+        osc.start();
+        osc.stop(audioCtx.currentTime + duration);
+    }
+
+    function playProximityTone(rssi) {
+        if (!audioCtx || audioCtx.state !== 'running') return;
+        // Stronger signal = higher pitch and shorter beep
+        const strength = Math.max(0, Math.min(1, (rssi + 100) / 70));
+        const freq = 400 + strength * 800;  // 400-1200 Hz
+        const duration = 0.06 + (1 - strength) * 0.12;
+        playTone(freq, duration);
+    }
+
+    function toggleAudio() {
+        const cb = document.getElementById('btLocateAudioEnable');
+        audioEnabled = cb?.checked || false;
+        if (audioEnabled) {
+            // Create AudioContext on user gesture (required by browser policy)
+            if (!audioCtx) {
+                try {
+                    audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+                } catch (e) {
+                    console.error('[BtLocate] AudioContext creation failed:', e);
+                    return;
+                }
+            }
+            // Resume must happen within a user gesture handler
+            const ctx = audioCtx;
+            ctx.resume().then(() => {
+                console.log('[BtLocate] AudioContext state:', ctx.state);
+                // Confirmation beep so user knows audio is working
+                playTone(600, 0.08);
+            });
+        } else {
+            stopAudio();
+        }
+    }
+
+    function stopAudio() {
+        audioEnabled = false;
+        const cb = document.getElementById('btLocateAudioEnable');
+        if (cb) cb.checked = false;
+    }
+
+    function setEnvironment(env) {
+        currentEnvironment = env;
+        document.querySelectorAll('.btl-env-btn').forEach(btn => {
+            btn.classList.toggle('active', btn.dataset.env === env);
+        });
+        // Push to running session if active
+        fetch('/bt_locate/status').then(r => r.json()).then(data => {
+            if (data.active) {
+                fetch('/bt_locate/environment', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ environment: env }),
+                }).then(r => r.json()).then(res => {
+                    console.log('[BtLocate] Environment updated:', res);
+                });
+            }
+        }).catch(() => {});
+    }
+
+    function isUuid(addr) {
+        return addr && /^[0-9A-F]{8}-[0-9A-F]{4}-/i.test(addr);
+    }
+
+    function formatAddr(addr) {
+        if (!addr) return '';
+        if (isUuid(addr)) return addr.substring(0, 8) + '-...' + addr.slice(-4);
+        return addr;
+    }
+
+    function handoff(deviceInfo) {
+        console.log('[BtLocate] Handoff received:', deviceInfo);
+        handoffData = deviceInfo;
+
+        // Populate fields
+        if (deviceInfo.mac_address) {
+            const macInput = document.getElementById('btLocateMac');
+            if (macInput) macInput.value = deviceInfo.mac_address;
+        }
+
+        // Show handoff card
+        const card = document.getElementById('btLocateHandoffCard');
+        const nameEl = document.getElementById('btLocateHandoffName');
+        const metaEl = document.getElementById('btLocateHandoffMeta');
+        if (card) card.style.display = '';
+        if (nameEl) nameEl.textContent = deviceInfo.known_name || formatAddr(deviceInfo.mac_address) || 'Unknown';
+        if (metaEl) {
+            const parts = [];
+            if (deviceInfo.mac_address) parts.push(formatAddr(deviceInfo.mac_address));
+            if (deviceInfo.known_manufacturer) parts.push(deviceInfo.known_manufacturer);
+            if (deviceInfo.last_known_rssi != null) parts.push(deviceInfo.last_known_rssi + ' dBm');
+            metaEl.textContent = parts.join(' \u00b7 ');
+        }
+
+        // Auto-fill IRK if available from scanner
+        if (deviceInfo.irk_hex) {
+            const irkInput = document.getElementById('btLocateIrk');
+            if (irkInput) irkInput.value = deviceInfo.irk_hex;
+        }
+
+        // Switch to bt_locate mode
+        if (typeof switchMode === 'function') {
+            switchMode('bt_locate');
+        }
+    }
+
+    function clearHandoff() {
+        handoffData = null;
+        const card = document.getElementById('btLocateHandoffCard');
+        if (card) card.style.display = 'none';
+    }
+
+    function fetchPairedIrks() {
+        const picker = document.getElementById('btLocateIrkPicker');
+        const status = document.getElementById('btLocateIrkPickerStatus');
+        const list = document.getElementById('btLocateIrkPickerList');
+        const btn = document.getElementById('btLocateDetectIrkBtn');
+        if (!picker || !status || !list) return;
+
+        // Toggle off if already visible
+        if (picker.style.display !== 'none') {
+            picker.style.display = 'none';
+            return;
+        }
+
+        picker.style.display = '';
+        list.innerHTML = '';
+        status.textContent = 'Scanning paired devices...';
+        status.style.display = '';
+        if (btn) btn.disabled = true;
+
+        fetch('/bt_locate/paired_irks')
+            .then(r => r.json())
+            .then(data => {
+                if (btn) btn.disabled = false;
+                const devices = data.devices || [];
+
+                if (devices.length === 0) {
+                    status.textContent = 'No paired devices with IRKs found';
+                    return;
+                }
+
+                status.style.display = 'none';
+                list.innerHTML = '';
+
+                devices.forEach(dev => {
+                    const item = document.createElement('div');
+                    item.className = 'btl-irk-picker-item';
+                    item.innerHTML =
+                        '<div class="btl-irk-picker-name">' + (dev.name || 'Unknown Device') + '</div>' +
+                        '<div class="btl-irk-picker-meta">' + dev.address + ' \u00b7 ' + (dev.address_type || '') + '</div>';
+                    item.addEventListener('click', function() {
+                        selectPairedIrk(dev);
+                    });
+                    list.appendChild(item);
+                });
+            })
+            .catch(err => {
+                if (btn) btn.disabled = false;
+                console.error('[BtLocate] Failed to fetch paired IRKs:', err);
+                status.textContent = 'Failed to read paired devices';
+            });
+    }
+
+    function selectPairedIrk(dev) {
+        const irkInput = document.getElementById('btLocateIrk');
+        const nameInput = document.getElementById('btLocateNamePattern');
+        const picker = document.getElementById('btLocateIrkPicker');
+
+        if (irkInput) irkInput.value = dev.irk_hex;
+        if (nameInput && dev.name && !nameInput.value) nameInput.value = dev.name;
+        if (picker) picker.style.display = 'none';
+    }
+
+    function clearTrail() {
+        fetch('/bt_locate/clear_trail', { method: 'POST' })
+            .then(r => r.json())
+            .then(() => {
+                clearMapMarkers();
+                rssiHistory = [];
+                drawRssiChart();
+                updateStats(0, 0);
+            })
+            .catch(err => console.error('[BtLocate] Clear trail error:', err));
+    }
+
+    function invalidateMap() {
+        if (map) map.invalidateSize();
+    }
+
+    return {
+        init,
+        start,
+        stop,
+        handoff,
+        clearHandoff,
+        setEnvironment,
+        toggleAudio,
+        clearTrail,
+        handleDetection,
+        invalidateMap,
+        fetchPairedIrks,
+    };
+})();

static/js/modes/dmr.js

@@ -10,6 +10,14 @@ let dmrCallCount = 0;
 let dmrSyncCount = 0;
 let dmrCallHistory = [];
 let dmrCurrentProtocol = '--';
+let dmrModeLabel = 'dmr';  // Protocol label for device reservation
+let dmrHasAudio = false;
+
+// ============== BOOKMARKS ==============
+let dmrBookmarks = [];
+const DMR_BOOKMARKS_KEY = 'dmrBookmarks';
+const DMR_SETTINGS_KEY = 'dmrSettings';
+const DMR_BOOKMARK_PROTOCOLS = new Set(['auto', 'dmr', 'p25', 'nxdn', 'dstar', 'provoice']);
 
 // ============== SYNTHESIZER STATE ==============
 let dmrSynthCanvas = null;
@@ -37,9 +45,17 @@ function checkDmrTools() {
             const warningText = document.getElementById('dmrToolsWarningText');
             if (!warning) return;
 
+            const selectedType = (typeof getSelectedSDRType === 'function')
+                ? getSelectedSDRType()
+                : 'rtlsdr';
             const missing = [];
             if (!data.dsd) missing.push('dsd (Digital Speech Decoder)');
-            if (!data.rtl_fm) missing.push('rtl_fm (RTL-SDR)');
+            if (selectedType === 'rtlsdr') {
+                if (!data.rtl_fm) missing.push('rtl_fm (RTL-SDR)');
+            } else if (!data.rx_fm) {
+                missing.push('rx_fm (SoapySDR demodulator)');
+            }
+            if (!data.ffmpeg) missing.push('ffmpeg (audio output — optional)');
 
             if (missing.length > 0) {
                 warning.style.display = 'block';
@@ -47,6 +63,9 @@ function checkDmrTools() {
             } else {
                 warning.style.display = 'none';
             }
+
+            // Update audio panel availability
+            updateDmrAudioStatus(data.ffmpeg ? 'OFF' : 'UNAVAILABLE');
         })
         .catch(() => {});
 }
@@ -57,12 +76,30 @@ function startDmr() {
     const frequency = parseFloat(document.getElementById('dmrFrequency')?.value || 462.5625);
     const protocol = document.getElementById('dmrProtocol')?.value || 'auto';
     const gain = parseInt(document.getElementById('dmrGain')?.value || 40);
+    const ppm = parseInt(document.getElementById('dmrPPM')?.value || 0);
+    const relaxCrc = document.getElementById('dmrRelaxCrc')?.checked || false;
     const device = typeof getSelectedDevice === 'function' ? getSelectedDevice() : 0;
+    const sdrType = (typeof getSelectedSDRType === 'function') ? getSelectedSDRType() : 'rtlsdr';
+
+    // Use protocol name for device reservation so panel shows "D-STAR", "P25", etc.
+    dmrModeLabel = protocol !== 'auto' ? protocol : 'dmr';
+
+    // Check device availability before starting
+    if (typeof checkDeviceAvailability === 'function' && !checkDeviceAvailability(dmrModeLabel)) {
+        return;
+    }
+
+    // Save settings to localStorage for persistence
+    try {
+        localStorage.setItem(DMR_SETTINGS_KEY, JSON.stringify({
+            frequency, protocol, gain, ppm, relaxCrc
+        }));
+    } catch (e) { /* localStorage unavailable */ }
 
     fetch('/dmr/start', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ frequency, protocol, gain, device })
+        body: JSON.stringify({ frequency, protocol, gain, device, ppm, relaxCrc, sdr_type: sdrType })
     })
     .then(r => r.json())
     .then(data => {
@@ -80,8 +117,30 @@ function startDmr() {
             updateDmrSynthStatus();
             const statusEl = document.getElementById('dmrStatus');
             if (statusEl) statusEl.textContent = 'DECODING';
+            if (typeof reserveDevice === 'function') {
+                reserveDevice(parseInt(device), dmrModeLabel);
+            }
+            // Start audio if available
+            dmrHasAudio = !!data.has_audio;
+            if (dmrHasAudio) startDmrAudio();
+            updateDmrAudioStatus(dmrHasAudio ? 'STREAMING' : 'UNAVAILABLE');
             if (typeof showNotification === 'function') {
-                showNotification('DMR', `Decoding ${frequency} MHz (${protocol.toUpperCase()})`);
+                showNotification('Digital Voice', `Decoding ${frequency} MHz (${protocol.toUpperCase()})`);
+            }
+        } else if (data.status === 'error' && data.message === 'Already running') {
+            // Backend has an active session the frontend lost track of — resync
+            isDmrRunning = true;
+            updateDmrUI();
+            connectDmrSSE();
+            if (!dmrSynthInitialized) initDmrSynthesizer();
+            dmrEventType = 'idle';
+            dmrActivityTarget = 0.1;
+            dmrLastEventTime = Date.now();
+            updateDmrSynthStatus();
+            const statusEl = document.getElementById('dmrStatus');
+            if (statusEl) statusEl.textContent = 'DECODING';
+            if (typeof showNotification === 'function') {
+                showNotification('DMR', 'Reconnected to active session');
             }
         } else {
             if (typeof showNotification === 'function') {
@@ -93,6 +152,7 @@ function startDmr() {
 }
 
 function stopDmr() {
+    stopDmrAudio();
     fetch('/dmr/stop', { method: 'POST' })
     .then(r => r.json())
     .then(() => {
@@ -102,8 +162,12 @@ function stopDmr() {
         dmrEventType = 'stopped';
         dmrActivityTarget = 0;
         updateDmrSynthStatus();
+        updateDmrAudioStatus('OFF');
         const statusEl = document.getElementById('dmrStatus');
         if (statusEl) statusEl.textContent = 'STOPPED';
+        if (typeof releaseDevice === 'function') {
+            releaseDevice(dmrModeLabel);
+        }
     })
     .catch(err => console.error('[DMR] Stop error:', err));
 }
@@ -146,6 +210,11 @@ function handleDmrMessage(msg) {
         if (mainCountEl) mainCountEl.textContent = dmrCallCount;
 
         // Update current call display
+        const slotInfo = msg.slot != null ? `
+                <div style="display: flex; justify-content: space-between; margin-bottom: 4px;">
+                    <span style="color: var(--text-muted);">Slot</span>
+                    <span style="color: var(--accent-orange); font-family: var(--font-mono);">${msg.slot}</span>
+                </div>` : '';
         const callEl = document.getElementById('dmrCurrentCall');
         if (callEl) {
             callEl.innerHTML = `
@@ -156,7 +225,7 @@ function handleDmrMessage(msg) {
                 <div style="display: flex; justify-content: space-between; margin-bottom: 4px;">
                     <span style="color: var(--text-muted);">Source ID</span>
                     <span style="color: var(--accent-cyan); font-family: var(--font-mono);">${msg.source_id}</span>
-                </div>
+                </div>${slotInfo}
                 <div style="display: flex; justify-content: space-between;">
                     <span style="color: var(--text-muted);">Time</span>
                     <span style="color: var(--text-primary);">${msg.timestamp}</span>
@@ -176,14 +245,46 @@ function handleDmrMessage(msg) {
 
     } else if (msg.type === 'slot') {
         // Update slot info in current call
+    } else if (msg.type === 'raw') {
+        // Raw DSD output — triggers synthesizer activity via dmrSynthPulse
+    } else if (msg.type === 'heartbeat') {
+        // Decoder is alive and listening — keep synthesizer in listening state
+        if (isDmrRunning && dmrSynthInitialized) {
+            if (dmrEventType === 'idle' || dmrEventType === 'raw') {
+                dmrEventType = 'raw';
+                dmrActivityTarget = Math.max(dmrActivityTarget, 0.15);
+                dmrLastEventTime = Date.now();
+                updateDmrSynthStatus();
+            }
+        }
     } else if (msg.type === 'status') {
         const statusEl = document.getElementById('dmrStatus');
-        if (statusEl) {
-            statusEl.textContent = msg.text === 'started' ? 'DECODING' : 'IDLE';
-        }
-        if (msg.text === 'stopped') {
+        if (msg.text === 'started') {
+            if (statusEl) statusEl.textContent = 'DECODING';
+        } else if (msg.text === 'crashed') {
             isDmrRunning = false;
+            stopDmrAudio();
             updateDmrUI();
+            dmrEventType = 'stopped';
+            dmrActivityTarget = 0;
+            updateDmrSynthStatus();
+            updateDmrAudioStatus('OFF');
+            if (statusEl) statusEl.textContent = 'CRASHED';
+            if (typeof releaseDevice === 'function') releaseDevice(dmrModeLabel);
+            const detail = msg.detail || `Decoder exited (code ${msg.exit_code})`;
+            if (typeof showNotification === 'function') {
+                showNotification('DMR Error', detail);
+            }
+        } else if (msg.text === 'stopped') {
+            isDmrRunning = false;
+            stopDmrAudio();
+            updateDmrUI();
+            dmrEventType = 'stopped';
+            dmrActivityTarget = 0;
+            updateDmrSynthStatus();
+            updateDmrAudioStatus('OFF');
+            if (statusEl) statusEl.textContent = 'STOPPED';
+            if (typeof releaseDevice === 'function') releaseDevice(dmrModeLabel);
         }
     }
 }
@@ -262,12 +363,14 @@ function drawDmrSynthesizer() {
     dmrSynthCtx.fillStyle = 'rgba(0, 0, 0, 0.3)';
     dmrSynthCtx.fillRect(0, 0, width, height);
 
-    // Decay activity toward target
+    // Decay activity toward target.  Window must exceed the backend
+    // heartbeat interval (3s) so the status doesn't flip-flop between
+    // LISTENING and IDLE on every heartbeat cycle.
     const timeSinceEvent = now - dmrLastEventTime;
-    if (timeSinceEvent > 2000) {
-        // No events for 2s — decay target toward idle
+    if (timeSinceEvent > 5000) {
+        // No events for 5s — decay target toward idle
         dmrActivityTarget = Math.max(0, dmrActivityTarget - DMR_DECAY_RATE);
-        if (dmrActivityTarget < 0.05 && dmrEventType !== 'stopped') {
+        if (dmrActivityTarget < 0.1 && dmrEventType !== 'stopped') {
             dmrEventType = 'idle';
             updateDmrSynthStatus();
         }
@@ -280,9 +383,9 @@ function drawDmrSynthesizer() {
     let effectiveActivity = dmrActivityLevel;
     if (dmrEventType === 'stopped') {
         effectiveActivity = 0;
-    } else if (effectiveActivity < 0.05 && isDmrRunning) {
-        // Gentle idle breathing
-        effectiveActivity = 0.05 + Math.sin(now / 800) * 0.035;
+    } else if (effectiveActivity < 0.1 && isDmrRunning) {
+        // Visible idle breathing — shows decoder is alive and listening
+        effectiveActivity = 0.12 + Math.sin(now / 1000) * 0.06;
     }
 
     // Ripple timing for sync events
@@ -399,6 +502,10 @@ function dmrSynthPulse(type) {
         dmrEventType = 'voice';
     } else if (type === 'slot' || type === 'nac') {
         dmrActivityTarget = Math.max(dmrActivityTarget, 0.5);
+    } else if (type === 'raw') {
+        // Any DSD output means the decoder is alive and processing
+        dmrActivityTarget = Math.max(dmrActivityTarget, 0.25);
+        if (dmrEventType === 'idle') dmrEventType = 'raw';
     }
     // keepalive and status don't change visuals
 
@@ -412,6 +519,7 @@ function updateDmrSynthStatus() {
     const labels = {
         stopped: 'STOPPED',
         idle: 'IDLE',
+        raw: 'LISTENING',
         sync: 'SYNC',
         call: 'CALL',
         voice: 'VOICE'
@@ -419,6 +527,7 @@ function updateDmrSynthStatus() {
     const colors = {
         stopped: 'var(--text-muted)',
         idle: 'var(--text-muted)',
+        raw: '#607d8b',
         sync: '#00e5ff',
         call: '#4caf50',
         voice: '#ff9800'
@@ -446,9 +555,298 @@ function stopDmrSynthesizer() {
 
 window.addEventListener('resize', resizeDmrSynthesizer);
 
+// ============== AUDIO ==============
+
+function startDmrAudio() {
+    const audioPlayer = document.getElementById('dmrAudioPlayer');
+    if (!audioPlayer) return;
+    const streamUrl = `/dmr/audio/stream?t=${Date.now()}`;
+    audioPlayer.src = streamUrl;
+    const volSlider = document.getElementById('dmrAudioVolume');
+    if (volSlider) audioPlayer.volume = volSlider.value / 100;
+
+    audioPlayer.onplaying = () => updateDmrAudioStatus('STREAMING');
+    audioPlayer.onerror = () => {
+        // Retry if decoder is still running (stream may have dropped)
+        if (isDmrRunning && dmrHasAudio) {
+            console.warn('[DMR] Audio stream error, retrying in 2s...');
+            updateDmrAudioStatus('RECONNECTING');
+            setTimeout(() => {
+                if (isDmrRunning && dmrHasAudio) startDmrAudio();
+            }, 2000);
+        } else {
+            updateDmrAudioStatus('OFF');
+        }
+    };
+
+    audioPlayer.play().catch(e => {
+        console.warn('[DMR] Audio autoplay blocked:', e);
+        if (typeof showNotification === 'function') {
+            showNotification('Audio Ready', 'Click the page or interact to enable audio playback');
+        }
+    });
+}
+
+function stopDmrAudio() {
+    const audioPlayer = document.getElementById('dmrAudioPlayer');
+    if (audioPlayer) {
+        audioPlayer.pause();
+        audioPlayer.src = '';
+    }
+    dmrHasAudio = false;
+}
+
+function setDmrAudioVolume(value) {
+    const audioPlayer = document.getElementById('dmrAudioPlayer');
+    if (audioPlayer) audioPlayer.volume = value / 100;
+}
+
+function updateDmrAudioStatus(status) {
+    const el = document.getElementById('dmrAudioStatus');
+    if (!el) return;
+    el.textContent = status;
+    const colors = {
+        'OFF': 'var(--text-muted)',
+        'STREAMING': 'var(--accent-green)',
+        'ERROR': 'var(--accent-red)',
+        'UNAVAILABLE': 'var(--text-muted)',
+    };
+    el.style.color = colors[status] || 'var(--text-muted)';
+}
+
+// ============== SETTINGS PERSISTENCE ==============
+
+function restoreDmrSettings() {
+    try {
+        const saved = localStorage.getItem(DMR_SETTINGS_KEY);
+        if (!saved) return;
+        const s = JSON.parse(saved);
+        const freqEl = document.getElementById('dmrFrequency');
+        const protoEl = document.getElementById('dmrProtocol');
+        const gainEl = document.getElementById('dmrGain');
+        const ppmEl = document.getElementById('dmrPPM');
+        const crcEl = document.getElementById('dmrRelaxCrc');
+        if (freqEl && s.frequency != null) freqEl.value = s.frequency;
+        if (protoEl && s.protocol) protoEl.value = s.protocol;
+        if (gainEl && s.gain != null) gainEl.value = s.gain;
+        if (ppmEl && s.ppm != null) ppmEl.value = s.ppm;
+        if (crcEl && s.relaxCrc != null) crcEl.checked = s.relaxCrc;
+    } catch (e) { /* localStorage unavailable */ }
+}
+
+// ============== BOOKMARKS ==============
+
+function loadDmrBookmarks() {
+    try {
+        const saved = localStorage.getItem(DMR_BOOKMARKS_KEY);
+        const parsed = saved ? JSON.parse(saved) : [];
+        if (!Array.isArray(parsed)) {
+            dmrBookmarks = [];
+        } else {
+            dmrBookmarks = parsed
+                .map((entry) => {
+                    const freq = Number(entry?.freq);
+                    if (!Number.isFinite(freq) || freq <= 0) return null;
+                    const protocol = sanitizeDmrBookmarkProtocol(entry?.protocol);
+                    const rawLabel = String(entry?.label || '').trim();
+                    const label = rawLabel || `${freq.toFixed(4)} MHz`;
+                    return {
+                        freq,
+                        protocol,
+                        label,
+                        added: entry?.added,
+                    };
+                })
+                .filter(Boolean);
+        }
+    } catch (e) {
+        dmrBookmarks = [];
+    }
+    renderDmrBookmarks();
+}
+
+function saveDmrBookmarks() {
+    try {
+        localStorage.setItem(DMR_BOOKMARKS_KEY, JSON.stringify(dmrBookmarks));
+    } catch (e) { /* localStorage unavailable */ }
+}
+
+function sanitizeDmrBookmarkProtocol(protocol) {
+    const value = String(protocol || 'auto').toLowerCase();
+    return DMR_BOOKMARK_PROTOCOLS.has(value) ? value : 'auto';
+}
+
+function addDmrBookmark() {
+    const freqInput = document.getElementById('dmrBookmarkFreq');
+    const labelInput = document.getElementById('dmrBookmarkLabel');
+    if (!freqInput) return;
+
+    const freq = parseFloat(freqInput.value);
+    if (isNaN(freq) || freq <= 0) {
+        if (typeof showNotification === 'function') {
+            showNotification('Invalid Frequency', 'Enter a valid frequency');
+        }
+        return;
+    }
+
+    const protocol = sanitizeDmrBookmarkProtocol(document.getElementById('dmrProtocol')?.value || 'auto');
+    const label = (labelInput?.value || '').trim() || `${freq.toFixed(4)} MHz`;
+
+    // Duplicate check
+    if (dmrBookmarks.some(b => b.freq === freq && b.protocol === protocol)) {
+        if (typeof showNotification === 'function') {
+            showNotification('Duplicate', 'This frequency/protocol is already bookmarked');
+        }
+        return;
+    }
+
+    dmrBookmarks.push({ freq, protocol, label, added: new Date().toISOString() });
+    saveDmrBookmarks();
+    renderDmrBookmarks();
+    freqInput.value = '';
+    if (labelInput) labelInput.value = '';
+
+    if (typeof showNotification === 'function') {
+        showNotification('Bookmark Added', `${freq.toFixed(4)} MHz saved`);
+    }
+}
+
+function addCurrentDmrFreqBookmark() {
+    const freqEl = document.getElementById('dmrFrequency');
+    const freqInput = document.getElementById('dmrBookmarkFreq');
+    if (freqEl && freqInput) {
+        freqInput.value = freqEl.value;
+    }
+    addDmrBookmark();
+}
+
+function removeDmrBookmark(index) {
+    dmrBookmarks.splice(index, 1);
+    saveDmrBookmarks();
+    renderDmrBookmarks();
+}
+
+function dmrQuickTune(freq, protocol) {
+    const freqEl = document.getElementById('dmrFrequency');
+    const protoEl = document.getElementById('dmrProtocol');
+    if (freqEl && Number.isFinite(freq)) freqEl.value = freq;
+    if (protoEl) protoEl.value = sanitizeDmrBookmarkProtocol(protocol);
+}
+
+function renderDmrBookmarks() {
+    const container = document.getElementById('dmrBookmarksList');
+    if (!container) return;
+
+    container.replaceChildren();
+
+    if (dmrBookmarks.length === 0) {
+        const emptyEl = document.createElement('div');
+        emptyEl.style.color = 'var(--text-muted)';
+        emptyEl.style.textAlign = 'center';
+        emptyEl.style.padding = '10px';
+        emptyEl.style.fontSize = '11px';
+        emptyEl.textContent = 'No bookmarks saved';
+        container.appendChild(emptyEl);
+        return;
+    }
+
+    dmrBookmarks.forEach((b, i) => {
+        const row = document.createElement('div');
+        row.style.display = 'flex';
+        row.style.justifyContent = 'space-between';
+        row.style.alignItems = 'center';
+        row.style.padding = '4px 6px';
+        row.style.background = 'rgba(0,0,0,0.2)';
+        row.style.borderRadius = '3px';
+        row.style.marginBottom = '3px';
+
+        const tuneBtn = document.createElement('button');
+        tuneBtn.type = 'button';
+        tuneBtn.style.cursor = 'pointer';
+        tuneBtn.style.color = 'var(--accent-cyan)';
+        tuneBtn.style.fontSize = '11px';
+        tuneBtn.style.flex = '1';
+        tuneBtn.style.background = 'none';
+        tuneBtn.style.border = 'none';
+        tuneBtn.style.textAlign = 'left';
+        tuneBtn.style.padding = '0';
+        tuneBtn.textContent = b.label;
+        tuneBtn.title = `${b.freq.toFixed(4)} MHz (${b.protocol.toUpperCase()})`;
+        tuneBtn.addEventListener('click', () => dmrQuickTune(b.freq, b.protocol));
+
+        const protocolEl = document.createElement('span');
+        protocolEl.style.color = 'var(--text-muted)';
+        protocolEl.style.fontSize = '9px';
+        protocolEl.style.margin = '0 6px';
+        protocolEl.textContent = b.protocol.toUpperCase();
+
+        const deleteBtn = document.createElement('button');
+        deleteBtn.type = 'button';
+        deleteBtn.style.background = 'none';
+        deleteBtn.style.border = 'none';
+        deleteBtn.style.color = 'var(--accent-red)';
+        deleteBtn.style.cursor = 'pointer';
+        deleteBtn.style.fontSize = '12px';
+        deleteBtn.style.padding = '0 4px';
+        deleteBtn.textContent = '\u00d7';
+        deleteBtn.addEventListener('click', () => removeDmrBookmark(i));
+
+        row.appendChild(tuneBtn);
+        row.appendChild(protocolEl);
+        row.appendChild(deleteBtn);
+        container.appendChild(row);
+    });
+}
+
+// ============== STATUS SYNC ==============
+
+function checkDmrStatus() {
+    fetch('/dmr/status')
+        .then(r => r.json())
+        .then(data => {
+            if (data.running && !isDmrRunning) {
+                // Backend is running but frontend lost track — resync
+                isDmrRunning = true;
+                updateDmrUI();
+                connectDmrSSE();
+                if (!dmrSynthInitialized) initDmrSynthesizer();
+                dmrEventType = 'idle';
+                dmrActivityTarget = 0.1;
+                dmrLastEventTime = Date.now();
+                updateDmrSynthStatus();
+                const statusEl = document.getElementById('dmrStatus');
+                if (statusEl) statusEl.textContent = 'DECODING';
+            } else if (!data.running && isDmrRunning) {
+                // Backend stopped but frontend didn't know
+                isDmrRunning = false;
+                if (dmrEventSource) { dmrEventSource.close(); dmrEventSource = null; }
+                updateDmrUI();
+                dmrEventType = 'stopped';
+                dmrActivityTarget = 0;
+                updateDmrSynthStatus();
+                const statusEl = document.getElementById('dmrStatus');
+                if (statusEl) statusEl.textContent = 'STOPPED';
+            }
+        })
+        .catch(() => {});
+}
+
+// ============== INIT ==============
+
+document.addEventListener('DOMContentLoaded', () => {
+    restoreDmrSettings();
+    loadDmrBookmarks();
+});
+
 // ============== EXPORTS ==============
 
 window.startDmr = startDmr;
 window.stopDmr = stopDmr;
 window.checkDmrTools = checkDmrTools;
+window.checkDmrStatus = checkDmrStatus;
 window.initDmrSynthesizer = initDmrSynthesizer;
+window.setDmrAudioVolume = setDmrAudioVolume;
+window.addDmrBookmark = addDmrBookmark;
+window.addCurrentDmrFreqBookmark = addCurrentDmrFreqBookmark;
+window.removeDmrBookmark = removeDmrBookmark;
+window.dmrQuickTune = dmrQuickTune;