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shivammittal274 e67c17a0f8 feat: add voice input to agent chat sidebar (#467)
* feat: add voice input to agent chat sidebar

Allow users to record voice and transcribe to text in the chat input.
Mic button shows when input is empty, waveform visualizer during recording,
transcription via OpenAI (llm.browseros.com/api/transcribe).

- Extract shared useVoiceInput hook to lib/voice/
- Time-domain waveform bars that bounce per-frequency-band
- Bar height capped to fit input container
- Analytics events for recording lifecycle

* fix: address review — add fetch timeout, await stopRecording, deduplicate VoiceInputState

- Add AbortSignal.timeout(30s) to transcription fetch
- Await stopRecording() and track analytics after completion
- Export VoiceInputState from useVoiceInput, import in consumers

* fix: await startRecording before tracking, narrow SurveyChat effect deps

- Await startRecording() so analytics only fires after mic permission granted
- Narrow SurveyChat useEffect dependency from [voice] to [voice.transcript, voice.isTranscribing]

* fix: analytics only tracks on success, clean up stream on failure, type API response

- startRecording returns boolean; track(RECORDING_STARTED) only fires on success
- Catch block cleans up MediaStream tracks and AudioContext on partial failure
- Type transcription API response with TranscribeResponse interface

* fix: keep mic button always visible alongside send button

Mic and send are now separate buttons, both always visible.
Mic is disabled while AI is streaming. Send is disabled during
recording/transcribing. Buttons are no longer absolutely positioned
inside the textarea — they sit beside it in the flex row.

* fix: keep mic button always visible inside input alongside send

Both mic and send buttons are always visible inside the input field,
positioned on the right side (ChatGPT-style). Mic is disabled while
AI is streaming. Send is disabled during recording/transcribing.

* fix: remove unreachable CSS branch in recording waveform div
2026-03-17 18:28:19 +05:30
..
2026-03-12 14:24:07 -07:00