During May 2025, Gogowinner focused on maintaining data integrity within the se-sac/sesac-01 repository by correcting participant information in the README documentation for Class01 and Class02 rosters. Using Markdown and documentation best practices, they updated names, assignees, and usernames to accurately reflect the current state, ensuring reliable reference data for stakeholders. Their technical approach emphasized PR traceability, with three commits clearly documenting each table correction. While no new features were delivered, Gogowinner’s work reduced onboarding confusion and improved repository maintainability. The depth of their contribution lay in meticulous attention to documentation accuracy and the long-term value of clean data.