user c522d30c36 feat: ack tone, duck-before-TTS, instant ducking on voice/unmute ...

- Add ascending two-tone chime (880Hz/1320Hz) before TTS playback
  as audible acknowledgment that the voice trigger was recognized
- Signal music ducking 1.5s before TTS starts so music is already
  lowered when audio begins playing
- Snap duck volume to floor instantly on voice packet or user unmute
  via pymumble callback, eliminating the 1s poll delay
- Register USERUPDATED callback to preemptively duck when a user
  unmutes (they're about to speak)
- Strip leading punctuation from trigger remainder (Whisper artifacts)

2026-02-22 18:46:33 +01:00

21 KiB

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