CHANGES
- Introduce findVTTFilesWithFallback to handle subtitle language absence
- Prefer requested language VTT, gracefully fallback to available alternatives
- Auto-detect downloaded subtitle language and proceed without interruption
- Update yt-dlp processing to use fallback-aware VTT discovery
- Document language fallback behavior and provide usage example
- Return first available VTT when no specific language requested
- Detect language-coded filenames using regex for robust matching
## CHANGES
- Add user argument precedence over built-in flags
- Document argument order and override behavior
- Include new precedence section with detailed explanation
- Add override examples for language and format
- Update tips section with precedence guidance
- Modify Go code to append user args last
- Add testing tip for subtitle language discovery
- Include practical override use case examples
### CHANGES
- Introduce `--yt-dlp-args` flag for advanced control
- Allow passing browser cookies for authentication
- Improve error handling for YouTube rate limits
- Add comprehensive documentation for YouTube processing
- Refactor YouTube methods to accept additional arguments
- Update shell completions to include new flag