# 26. Implement Linux notification service

meta:
  id: native-business-logic-migration-26
  feature: native-business-logic-migration
  priority: P1
  depends_on: [native-business-logic-migration-17]
  tags: [implementation, linux, notifications]

objective:
- Implement desktop notification service for Linux

deliverables:
- notification-service.vala
- notification-manager.vala
- notification-preferences-store.vala
- Tray icon integration
- Badge management

tests:
- Unit: Test notification creation
- Unit: Test notification actions
- Integration: Test notification delivery

acceptance_criteria:
- Desktop notifications shown
- Notification actions working
- Tray icon updated
- Badge count updated
- Preferences respected

validation:
- Test with notify-send
- Verify in system settings

notes:
- Use Gio.Notification
- Follow freedesktop.org spec
- Integrate with system tray
