migration start

tasks/native-business-logic-migration/07-implement-android-database-layer.md

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+# 07. Implement Android database layer (Room)
+
+meta:
+  id: native-business-logic-migration-07
+  feature: native-business-logic-migration
+  priority: P0
+  depends_on: [native-business-logic-migration-04]
+  tags: [implementation, android, database]
+
+objective:
+- Implement database layer using Room for Android
+
+deliverables:
+- RssDatabase.kt
+- SubscriptionEntity.kt
+- FeedItemEntity.kt
+- SearchHistoryEntity.kt
+- SubscriptionDao.kt
+- FeedItemDao.kt
+- SearchHistoryDao.kt
+- Database migrations
+- FTS virtual table implementation
+
+tests:
+- Unit: Test CRUD operations with Room Testing
+- Unit: Test relationships
+- Unit: Test FTS queries
+- Integration: Test database migrations
+
+acceptance_criteria:
+- Room database configured
+- All entities annotated
+- DAOs with proper queries
+- FTS search working
+- Migrations implemented
+- TypeConverters for custom types
+
+validation:
+- Run `./gradlew test`
+- Verify with Room Inspection
+
+notes:
+- Use Room 2.6+
+- Implement FTS using SQLite FTS5
+- Use @Transaction for multi-entity operations