- Add detailed file verification before extraction
- Check if downloaded file is a valid ZIP archive
- Add file type detection and display
- Better error messages showing actual file status
- Add ZIP integrity testing on extraction failure
- Display temp directory contents on extraction failure
Helps diagnose download/extraction issues by showing:
- File existence and size
- File type (ZIP vs other)
- First bytes of file (for debugging)
- ZIP integrity test results
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>