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New 'OOK Decoder' mode for capturing and decoding arbitrary OOK/ASK signals using rtl_433's flex decoder with fully configurable pulse timing. Covers PWM, PPM, and Manchester encoding schemes. Backend (utils/ook.py, routes/ook.py): - Configurable modulation: OOK_PWM, OOK_PPM, OOK_MC_ZEROBIT - Full rtl_433 flex spec builder with user-supplied pulse timings - Bit-inversion fallback for transmitters with swapped short/long mapping - Optional frame deduplication for repeated transmissions - SSE streaming via /ook/stream Frontend (static/js/modes/ook.js, templates/partials/modes/ook.html): - Live MSB/LSB bit-order toggle — re-renders all stored frames instantly without restarting the decoder - Full-detail frame display: timestamp, bit count, hex, dotted ASCII - Modulation selector buttons with encoding hint text - Full timing grid: short, long, gap/reset, tolerance, min bits - CSV export of captured frames - Global SDR device panel injection (device, SDR type, rtl_tcp, bias-T) Integration (app.py, routes/__init__.py, templates/): - Globals: ook_process, ook_queue, ook_lock - Registered blueprint, nav entries (desktop + mobile), welcome card - ookOutputPanel in visuals area with bit-order toolbar Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>