Lists devices with New/Registered/All filtering, pull-to-refresh,
device-type icons, and visual differentiation between new and registered
devices. Introduces a reusable StatusBadge widget for colour-coded labels.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Unread notifications (isNew=true) now show a secondaryContainer background,
bold title, and primary-colored icon per Material 3 guidelines. State changes
via mark-as-read/unread update the item's styling immediately in the All filter
view using mapItems with a copyWith, ensuring PagingStateBase's deep equality
check detects the change and triggers a rebuild.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
