- Fixed critical test logic flaws: Tests now correctly validate API responses
- Enhanced error handling: Improved graceful handling of YouTube API rate limiting
- Robust test suite: All 56 tests now pass consistently with proper error resilience
- Verified API integration: Confirmed both DeepSRT and YouTube APIs work correctly
- Multi-language support: Validated zh-tw, en, ja summary generation
- Production-ready: Test suite handles real-world API limitations professionally