Worked on the w3c/aria-at-app repository to maintain quality assurance data integrity by updating the tester roster, ensuring that QA coverage remained current and traceable. Focused on administrative data management, the contribution involved a Git-based change that did not alter application functionality but improved the accuracy of test planning and audit trails. Leveraged skills in repository hygiene and QA governance to support reliable test coverage and facilitate future audits. No major bugs were addressed during this period, but the update strengthened the foundation for ongoing quality assurance processes. Technologies used included Git, administrative scripting, and data management best practices.