During January 2026, Summer X worked on stabilizing the test infrastructure and database layer for the NevaMind-AI/memU repository. Focusing on reliability, Summer addressed two critical bugs using Python and PostgreSQL, enhancing both the SQLite test suite and the Postgres MemoryItemModel. By correcting file path construction, they ensured the test suite could reliably locate example data across environments, reducing test flakiness. Additionally, they updated the database schema to allow null resource IDs, preventing errors when handling memory items without associated resources. These targeted, well-documented fixes improved cross-backend consistency and maintainability, demonstrating depth in database modeling and testing practices.