- Fix streaming STT to accept audio chunks from gRPC stream instead of local microphone
- Add proper PCM audio buffer conversion for 16-bit, 16kHz, mono audio
- Add StreamingResultHandler for safe callback handling
- Properly manage streaming session state and cleanup
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add TTS service using AVSpeechSynthesizer for voice output
- Add STT service using SpeechAnalyzer (macOS 26) for transcription
- Add voice input (microphone) button in chat with recording level indicator
- Add speak button on assistant messages for TTS playback
- Add language toggle (EN-CA/FR-CA) for bilingual speech recognition
- Fix Swift 6 strict concurrency issues in audio callbacks
- Update proto schema with TTS/STT message types and RPCs
- Update gRPC provider with speech service endpoints
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
