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2026-02-08 23:26:40 +08:00

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# Development Rules
## Testing Requirements
- ALWAYS test code before claiming it's done
- Verify file uploads work with actual test files
- Check browser console for errors during testing
- Never say "done" without confirming functionality
- Run test scripts first before presenting solutions
## Known Issues
- MP4 video files may fail with AudioContext.decodeAudioData()
- Browser can't decode all video codecs to audio
- MediaRecorder approach for video extraction produces empty/unusable audio
- Solution: AudioContext.decodeAudioData works directly on many video formats