
Over a two-month period, contributed to the team-mirai-volunteer/action-board repository by expanding and refining geospatial datasets for poster locations across Japan. Focused on data cleaning, normalization, and management using SQL and TypeScript, the work included adding new CSV files, correcting latitude and longitude data, and introducing flexible data-loading workflows to support multiple sources. Enhanced the database with new geographic entries such as Kyoto, improved district-level data retrieval, and implemented robust error handling for CSV imports. These updates increased data reliability and maintainability, clarified active and archived poster board statuses, and supported more accurate mapping and retrieval of location-based information.
January 2026 (2026-01) — Delivered data expansion and retrieval accuracy enhancements for the Action Board. Highlights include geographic data expansion with Kyoto added to prefecture enumeration and robust CSV import error logging (commits 8da7b61210d6b72dfbb781e5a350a3f9966dc387; 7f7cb53cd00d82f82e93882cad8783fbbe8db74f). Also improved poster boards by district data retrieval and added an archived filter in the DB view (commits f66822a6b23675f96e09599903e8485a0b40091f; 111426e357bccf247301212b252bd7630e42daa0).
January 2026 (2026-01) — Delivered data expansion and retrieval accuracy enhancements for the Action Board. Highlights include geographic data expansion with Kyoto added to prefecture enumeration and robust CSV import error logging (commits 8da7b61210d6b72dfbb781e5a350a3f9966dc387; 7f7cb53cd00d82f82e93882cad8783fbbe8db74f). Also improved poster boards by district data retrieval and added an archived filter in the DB view (commits f66822a6b23675f96e09599903e8485a0b40091f; 111426e357bccf247301212b252bd7630e42daa0).
July 2025 (2025-07) monthly summary for team-mirai-volunteer/action-board: Delivered a major data-layer enhancement by expanding and refining the Poster Location Dataset for Japan. Added new CSV files and location entries, corrected latitude/longitude data, and introduced richer loading options to support multiple data sources and loading strategies. No major bugs fixed this month; primary focus was data delivery and loading workflow improvements. The work strengthens poster discovery and placement features, enabling more accurate mapping and better user experience.
July 2025 (2025-07) monthly summary for team-mirai-volunteer/action-board: Delivered a major data-layer enhancement by expanding and refining the Poster Location Dataset for Japan. Added new CSV files and location entries, corrected latitude/longitude data, and introduced richer loading options to support multiple data sources and loading strategies. No major bugs fixed this month; primary focus was data delivery and loading workflow improvements. The work strengthens poster discovery and placement features, enabling more accurate mapping and better user experience.

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