v0.2.39

0.2.39 (2026-10-03)

Features

• api: add cascade mode to the voice agent config (53459b3)
• api: add cascade turn detector (VAD gating + Smart Turn) (7bbdccd)
• api: add Silero VAD and Smart Turn v3 models for cascade turn detection (de86c56)
• api: add the cascade conversation bridge (90c7ab4)
• api: add the prompt brain for cascade voice agents (7b8a59d)
• api: add Yandex SpeechKit v3 streaming recognition adapter (3afd065)
• api: cascade mode for voice agents (STT → turn detection → LLM → TTS) (b592460)
• api: make cascade voice agents callable (ff31c91)
• api: record per-stage turn timings for cascade voice calls (50270c6)
• api: share one Yandex TTS channel per call and add economical chunk mode (1988399)

Bug Fixes

• api: build the voice bridge before opening the session row (1c6e325)
• api: close the shared TTS channel when the inner bridge fails to connect (35db1e9)
• api: close the STT stream on a failed cascade connect and keep caller cancellation (20b9a1f)
• api: harden cascade bridge turn and interrupt handling (471edd1)
• api: report cascade turn timings once, with firstAudioMs (e4e1cf5)
• api: stop Yandex TTS synthesis on barge-in with a shared channel (6c635b5)