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919 B
919 B
18. Implement iOS background sync service
meta: id: native-business-logic-migration-18 feature: native-business-logic-migration priority: P1 depends_on: [native-business-logic-migration-15] tags: [implementation, ios, background]
objective:
- Implement background feed sync using BGTaskScheduler
deliverables:
- BackgroundSyncService.swift
- SyncScheduler.swift
- SyncWorker.swift
- AppIntent extensions
- Background configuration
tests:
- Unit: Test scheduler configuration
- Unit: Test task cancellation
- Integration: Test background execution
acceptance_criteria:
- Background tasks scheduled properly
- Tasks execute within time window
- Battery-efficient scheduling
- Proper task cancellation
- State persisted between runs
validation:
- Test with Xcode debugger
- Verify with Console app logs
notes:
- Use BGAppRefreshTask
- Request background modes capability
- Handle time limits gracefully