- Added VoiceSupervisor and VoiceController classes for realtime voice mode using OpenAI Realtime API.
- Added echo suppression, noise floor filtering, and fallback transcript handling for voice input.
- Changed voice mode toggle from Caps Lock to Ctrl+Y with auto-send on silence behavior.
- Changed default TTS model from gpt-4o-mini-tts to tts-1.
- Added kwaipilot/kat-coder-pro model and removed deprecated OpenRouter models.