migration start

tasks/native-business-logic-migration/28-implement-android-settings-store.md

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+# 28. Implement Android settings/preferences store
+
+meta:
+  id: native-business-logic-migration-28
+  feature: native-business-logic-migration
+  priority: P1
+  depends_on: [native-business-logic-migration-16]
+  tags: [implementation, android, settings]
+
+objective:
+- Implement settings store using DataStore and SharedPreferences
+
+deliverables:
+- SettingsStore.kt
+- AppSettings.kt
+- ReadingPreferences.kt
+- NotificationPreferences.kt
+- Settings migration
+
+tests:
+- Unit: Test property storage/retrieval
+- Unit: Test defaults
+- Unit: Test synchronization
+
+acceptance_criteria:
+- All settings persisted
+- Defaults properly set
+- Changes observed in real-time
+- Preferences encrypted if needed
+- Settings migrated between versions
+
+validation:
+- Run `./gradlew test`
+- Test with Application Info > Preferences
+
+notes:
+- Use DataStore for new code
+- Use SharedPreferences for simple values
+- Observe changes with Flow