core/errors/notification_failure library

1. notification_manager package
2. documentation
3. core/errors/notification_failure.dart

notification_manager package

1. Libraries
2. core/constants/notification_enums
3. core/errors/notification_failure
4. core/helpers/foreground_notification_manager
5. core/helpers/notification_permission_manager
6. core/helpers/notification_scheduler_debugger
7. core/helpers/notification_template_builder
8. core/services/comprehensive_notification_manager
9. core/utils/notification_scheduler
10. features/notifications/data/models/notification_action
11. features/notifications/data/models/notification_action_input
12. features/notifications/data/models/notification_payload
13. features/notifications/data/models/user_preferences_model
14. features/notifications/data/repositories/firebase_notification_repository
15. features/notifications/data/repositories/local_notification_repository
16. features/notifications/data/repositories/unified_notification_repository
17. features/notifications/domain/entities/delivery_status_entity
18. features/notifications/domain/entities/notification_entity
19. features/notifications/domain/entities/notification_settings_entity
20. features/notifications/domain/repositories/notification_repository
21. features/notifications/presentation/widgets/foreground_notification_widget
22. notification_manager