Worked on the takamatsu-city/opendata repository to deliver foundational data assets and improve localization for data-driven location features. Built and committed data.csv and data.xlsx files containing sandbag creation location data, enabling reference data for location selection workflows. Addressed a localization issue by correcting a Japanese configuration label in YAML, ensuring UI consistency without altering functionality. Maintained clear documentation and commit messages to support traceability and future maintenance. Focused on configuration management and data provisioning, the work positioned the repository for future enhancements and streamlined data-driven workflows, demonstrating attention to detail and readiness for ongoing development in YAML-based environments.