- Rename Targets → Sources, Remotes → Destinations across all screens
- Reorganize main menu with logical groupings and separators
- Add Browse button to Base path field in remote editor (local + SSH)
- Fix RichLog IndexError crash when compositor renders with y=-1
- Fix _sync_crontab accidentally wiping crontab via premature remove
- Per-target locking and auto-create local remote base directory
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>