- Add [plugin-name] prefix to all hook messages for better identification
- Make doc-guardian hook notification-only (non-blocking)
- Add stale branch detection to /commit-sync with git fetch --prune
- Enhance /branch-cleanup to handle stale branches separately
Closes improvements for hook UX and git workflow
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>