- Add Gemini TTS service with 30 voices and 24 languages
- Add TTS API endpoints for voice listing and preview
- Add per-language voice selection in job creation form
- Add voice override at QC approval stage
- Add VoiceSelector and VoicePreviewButton components
- Update TTSPreferences model with provider and voice mapping
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Upload form now has "English / Different language" radio with optional language hint
- Gemini auto-detects language and saves outputs to outputs.{detected_language}
- QC review dynamically loads/saves VTT for source language
- New APPROVED_SOURCE status for non-English videos (APPROVED_ENGLISH kept for backwards compat)
- Translation pipeline reads from source language and passes source_language to Google Translate
- All existing English jobs continue to work unchanged
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
