- Fix login: role field was missing from session (admin page inaccessible)
- Add onlineUsers map in socket/state.ts to track connected users
- Join personal user:${id} socket room on connect for targeted notifications
- Emit friendRequestReceived/friendRequestAccepted socket events from friends controller
- Add sendGameInvite socket event handler on server
- New NotificationContext: global socket provider for registered users
- New NotificationPanel: bell icon with unread badge and dropdown in header
- Friends page: inline game invite input per friend with sendGameInvite
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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