- Replaced static VOICE_PRESETS with dynamic API calls to /voice-google/languages and /voice-google/voices
- Languages and voices loaded from Google Cloud TTS at runtime
- Voice dropdown updates automatically when language changes
- Added fetchLanguages() and fetchVoices() API functions with VoiceLanguage/VoiceOption types
- Test button uses bot name in sample text for personalized preview
- Fallback to basic language options if API unavailable
Co-authored-by: Cursor <cursoragent@cursor.com>