Mirrors the NotificationType pattern. Removes duplicated _deviceTypes
list and _deviceIcon() helper from both device screens, centralising
all type-to-icon logic in the model.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- New /devices/:macAddress route showing all device fields with Register/Forget actions
- Device list items are now tappable; popup menu gains a "View details" item
- Notification list items with a linked device are tappable; popup menu gains a "View device" item
- Backend: new DB migration adds optional mac_address column to notifications
- Device-related notifications (NewDeviceFound, DeviceOnlineAfterTime, DeviceChanged) now store the triggering device's MAC address
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
