video-accessibility/backend/app/services
michael e8b940aee8 feat: add TTS_FAILED status and robust error handling for TTS synthesis
Add comprehensive error handling for TTS synthesis failures:

Backend:
- Add TTS_FAILED status to JobStatus enum for failed synthesis jobs
- Add TTSSynthesisError exception with cue index and context tracking
- Improve null-safe error handling in Gemini TTS response parsing
- Add _synthesize_cue_with_retry() with exponential backoff (3 attempts)
- Enhanced error logging with text preview and model context

Frontend:
- Add TTS_FAILED status styling (red badge) in StatusBadge component
- Add tts_failed to JobStatus TypeScript type

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-30 14:26:07 -06:00
..
__pycache__ better tts config for worker 2025-10-08 18:47:28 -05:00
audit_logger.py initial commit 2025-08-24 16:28:33 -05:00
emailer.py initial commit 2025-08-24 16:28:33 -05:00
gcs.py initial commit 2025-08-24 16:28:33 -05:00
gemini.py feat: add accessible video (MP4 with embedded audio descriptions) 2025-12-26 11:06:41 -06:00
gemini_tts.py feat: add TTS_FAILED status and robust error handling for TTS synthesis 2025-12-30 14:26:07 -06:00
microsoft_auth.py added MSAL microsoft authentication 2025-10-10 09:19:39 -05:00
secrets_manager.py initial commit 2025-08-24 16:28:33 -05:00
translate.py add support for non-English original video uploads 2025-12-22 10:33:58 -06:00
tts.py feat: add accessible video (MP4 with embedded audio descriptions) 2025-12-26 11:06:41 -06:00
validation.py feat: add accessible video validation, remove AI confidence check 2025-12-26 16:41:57 -06:00
video_renderer.py refactor: simplify pause point algorithm with midpoint snapping and silence buffers 2025-12-29 09:55:40 -06:00
vtt_retimer.py fix: rewrite VTT retiming algorithm to prevent captions during AD segments 2025-12-30 09:01:03 -06:00
websocket.py wrote docker files and deployment instructions 2025-10-08 16:00:12 -05:00
websocket_publisher.py wrote docker files and deployment instructions 2025-10-08 16:00:12 -05:00
whisper_service.py refactor: simplify pause point algorithm with midpoint snapping and silence buffers 2025-12-29 09:55:40 -06:00