8e079467fa
- core/recording: MeetingRecorder (AudioRecord at the device's native rate, WAV on disk + 60 s rolling window resampled to 16 kHz), streaming WavWriter, thread-safe RollingWindow, linear resampler; WavReader moved here from the app - app: RecorderService (foreground, type microphone) with ongoing notification and StateFlow state; Record/Stop UI with timer and level meter; runtime permission flow; finished recordings auto-load for transcription - launcher icon (mic + waveform, matching the desktop brand) and notification glyph - fix real M0 bug caught by the new unit tests: WavReader parsed 16-bit fmt fields (audioFormat/channels/bitsPerSample) with 32-bit reads - JVM tests: WAV round trip, native-rate header, resampler, rolling window — 5/5 green; assembleDebug and aapt2 APK checks pass - validated on-device on a Fairphone 6 (Android 16): model download, engine load, recording and transcription all working