migration start

tasks/native-business-logic-migration/19-implement-android-background-sync.md

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+# 19. Implement Android background sync service
+
+meta:
+  id: native-business-logic-migration-19
+  feature: native-business-logic-migration
+  priority: P1
+  depends_on: [native-business-logic-migration-16]
+  tags: [implementation, android, background]
+
+objective:
+- Implement background feed sync using WorkManager
+
+deliverables:
+- SyncWorker.kt
+- SyncScheduler.kt
+- SyncConfiguration.kt
+- WorkManager configuration
+- Foreground service (if needed)
+
+tests:
+- Unit: Test Worker execution
+- Unit: Test scheduler configuration
+- Integration: Test background execution
+
+acceptance_criteria:
+- Work scheduled properly
+- Constraints respected (network, charging)
+- Battery-efficient scheduling
+- Proper work cancellation
+- State persisted between runs
+
+validation:
+- Test with WorkManager TestRule
+- Verify with adb commands
+
+notes:
+- Use PeriodicWorkRequest
+- Set appropriate constraints
+- Handle Doze mode