- Server VAD + interruption: mic stays open while agent speaks, server
detects user voice and triggers interruption automatically. Echo
suppression disabled in this mode so audio reaches the server.
- Fix agent_chat_response_part parsing: ElevenLabs API now uses
text_response_part.text instead of agent_chat_response_part_event.
Added fallback for legacy format.
- Expose MicChunkDurationMs as UPROPERTY (20-500ms, default 100ms)
instead of compile-time constant.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>