Frontend:
- Enhanced cluster vs standalone node visual distinction in Settings
- Added glassmorphic style to all toast notifications for consistency
- Fixed test connection in edit modal to use stored encrypted credentials
- Added batch credential modal for bulk node operations
- Added network discovery modal with auto-subnet detection
- Improved notification system with dual toast/notification support
- Added event bus for component communication
Backend:
- Fixed duplicate toast notifications during auto-registration
- Fixed PBS auto-registration token extraction from JSON output
- Added network discovery service with background scanning
- Improved cluster detection with actual cluster name from API
- Added helper function to reduce code duplication in cluster detection
- Fixed host URL normalization in auto-registration
- Enhanced PBS client token authentication parsing
Bug Fixes:
- Fixed stacking toast notifications creating visual bugs
- Fixed PBS authentication failures after auto-registration
- Fixed network discovery not finding Proxmox servers
- Fixed test connection for existing nodes with encrypted tokens
- Removed duplicate WebSocket broadcasts for auto-registration events
