feat(stt): add speaker diarization support to STT interface and proxy#5283

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russellmartin-livekit wants to merge 5 commits intomainfrom

claude/slack-support-diarization-stt-providers-cWpcE

Commits on Mar 3, 2026

fix(inference): set STT capabilities.diarization from extra_kwargs
claude
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Commits on Apr 2, 2026

feat(inference): enhance STT to identify speaker ID from words
russellmartin-livekit
committed

Commits on Apr 4, 2026

feat(types): add speaker_id attribute to TimedString class
russellmartin-livekit
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fix(types): change speaker_id type from int to str in TimedString class
russellmartin-livekit
committed

Commits on Apr 7, 2026

refactor(inference): streamline speaker_id handling in SpeechData
russellmartin-livekit
committed