feat: LiveKit voice session, control channel, transcripts (Phase 2)
- VoiceSession: token->connect with fresh-room retry on timeout, agent
discovery, agent_ready wait, mic enable/mute, text send over lk.chat
- ControlChannel: outbound set_voice/set_model/get_models/set_mode/
media_state; inbound agent_ready/models/model_changed/task_event
- TranscriptHandler: transcription segments + transcript topic finals,
partial/final dedupe per role
- ConversationView/OrbView: status orb, mic/text-mode toggles, composer
- ServerConfig: plain ws:// signaling for private IPs (self-signed TLS
not injectable into SDK WebSocket); Info.plist local networking
snowspeeder
4986b6d7dc