- Created dedicated Notifications page with full notification management
- Added notification service with API integration (get, mark as read, mark all as read)
- Added filtering by status (all/unread/read) and type (message/track/mention/system/etc)
- Added mark as read functionality for individual notifications
- Added mark all as read functionality
- Added notification type icons and labels
- Added notification timestamps with relative time formatting
- Added notification links support for navigation
- Added empty states for no notifications
- Added loading and error states
- Integrated with backend notification APIs
- Added route /notifications to router
- Added lazy loading for NotificationsPage component
- Added visual distinction for unread notifications (badge, background)
- Added notification type badges
