During October 2025, Justin Wang focused on backend development and database management for the Code-4-Community/ssf repository. He addressed a critical bug by performing a Database Entity Consistency Cleanup, which involved modifying entity relationships and removing donation-related fields to align the schema with the domain model. Using TypeScript and TypeORM, Justin refactored the database structure to improve data integrity and maintainability, reducing the risk of runtime errors in donation workflows. Although no new features were added during this period, his targeted work enhanced the reliability of the backend system and ensured proper entity relationships within the application’s data layer.