migration start

tasks/native-business-logic-migration/18-implement-ios-background-sync.md

@@ -0,0 +1,39 @@
+# 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