Merge upstream/main: sync fork with conflict resolution

Resolve conflicts keeping local GSM tools in kill_all() process list
and weather satellite config settings while merging upstream changes
including GSM spy removal, DMR fixes, USB device probe, APRS crash
fix, and cross-module frequency routing.

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

Dockerfile

@@ -57,39 +57,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     airspy \
     limesuite \
     hackrf \
-    # GSM Intelligence (tshark for packet parsing)
-    tshark \
     # Utilities
     curl \
     procps \
     && rm -rf /var/lib/apt/lists/*
 
-# GSM Intelligence: gr-gsm (grgsm_scanner, grgsm_livemon)
-# Install from apt if available, otherwise build from source
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends \
-       gnuradio gr-osmosdr gr-gsm 2>/dev/null \
-    || ( \
-       apt-get install -y --no-install-recommends \
-         gnuradio gnuradio-dev gr-osmosdr \
-         git cmake libboost-all-dev libcppunit-dev swig \
-         doxygen liblog4cpp5-dev python3-scipy python3-numpy \
-         libvolk-dev libfftw3-dev build-essential \
-       && cd /tmp \
-       && git clone --depth 1 https://github.com/bkerler/gr-gsm.git \
-       && cd gr-gsm \
-       && mkdir build && cd build \
-       && cmake .. \
-       && make -j$(nproc) \
-       && make install \
-       && ldconfig \
-       && rm -rf /tmp/gr-gsm \
-       && apt-get remove -y gnuradio-dev libcppunit-dev swig doxygen \
-          liblog4cpp5-dev libvolk-dev build-essential git cmake \
-       && apt-get autoremove -y \
-    ) \
-    && rm -rf /var/lib/apt/lists/*
-
 # Build dump1090-fa and acarsdec from source (packages not available in slim repos)
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \