Worked on the tech-conferences/conference-data repository to prepare foundational data for the Tokyo Test Fest 2025 event. Delivered an initial event marker as a placeholder commit, establishing a baseline for future data ingestion and analytics without introducing functional code changes. Focused on clear, traceable commit messaging to ensure maintainability and historical context for subsequent development. Utilized Git for version control and collaborated within a data-driven workflow, aligning repository readiness with the event’s roadmap. The work emphasized planning and data structuring, setting the stage for upcoming features and reducing integration risks, while leveraging skills in data modeling and repository management.