migration start

tasks/native-business-logic-migration/08-implement-linux-database-layer.md

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+# 08. Implement Linux database layer (SQLite)
+
+meta:
+  id: native-business-logic-migration-08
+  feature: native-business-logic-migration
+  priority: P0
+  depends_on: [native-business-logic-migration-05]
+  tags: [implementation, linux, database]
+
+objective:
+- Implement database layer using SQLite for Linux
+
+deliverables:
+- database.vala
+- subscription-store.vala
+- feed-item-store.vala
+- search-history-store.vala
+- schema.sql
+- Database migrations
+- FTS virtual table implementation
+
+tests:
+- Unit: Test CRUD operations
+- Unit: Test relationships
+- Unit: Test FTS queries
+- Integration: Test database migrations
+
+acceptance_criteria:
+- SQLite database configured
+- All tables created
+- FTS search working
+- Migrations implemented
+- Proper error handling
+
+validation:
+- Run `meson test -C build`
+- Verify with sqlite3 CLI
+
+notes:
+- Use GLib's GDatabase or direct SQLite bindings
+- Implement FTS using SQLite FTS5
+- Use transactions for batch operations