Bug fixes completed:
- Fixed virtual console menu display bug (checks both getty and X11)
- Fixed complete_uninstall to properly remove LMS/Squeezelite
- Fixed full_reinstall to clean all addons and settings
Named websites feature completed:
- Added 'name' field to config.json schema
- Added site name management throughout (add, update, delete, reorder)
- Added update_site_names() menu option
- Names display in site listings
Navigation button configuration completed:
- Added enableNavButton config option
- Added to optional buttons menu
- Integrated with save/load config
TODO: Navigation menu UI implementation in preload.js still needed
