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

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