- Modified cvs_client.py to skip tags with value '(none)' using case-insensitive comparison
- Updated ui.js to also check for '(none)' tags when displaying patchsets
- Patchsets without tags no longer show any tag badge in the UI
- Add cvsps package to Docker dependencies
- Implement patchset retrieval and diff endpoints in API
- Add _run_cvsps_command() helper for cvsps integration
- Enhance file history parsing with log message extraction
- Improve UI with enhanced styling and patchset functionality
