- New Word Discovery game with image support and practice phases
- Auto-play TTS on word appearance with speed control (0.7x-1.1x)
- Complete Settings page with TTS controls and debug interface
- Language standardization with BCP 47 codes (en-US, zh-CN, fr-FR)
- Media fallback handling for missing images and audio
- Settings Manager with voice selection and debug tools
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
