During July 2025, Zwf focused on improving data integrity and reliability in the seatable/dtable-events repository by addressing a critical issue in snapshot ID retrieval after database INSERT operations. Using Python and SQL, Zwf replaced the previous scalar_one approach with lastrowid to ensure that the correct snapshot ID is captured and accurately propagated to downstream processes. This change reduced the risk of data inconsistencies and improved auditability across event processing workflows. Zwf also documented the updated SQL and ORM retrieval methods, enhancing maintainability and preventing future regressions. The work demonstrated depth in database management and attention to long-term system stability.