Sergei 40646622b8 Add DEV voice picker with 35+ languages for TTS testing
Voice assistant enhancements:
- DEV-only voice picker modal for testing TTS voices
- Support for 35+ languages: English variants, European, Asian, Middle Eastern
- Each voice can be tested with localized sample text
- Speech recognition enabled for voice input
- Continuous conversation mode with auto-listening

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-23 18:11:17 -08:00
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2025-12-12 14:03:03 -08:00