
Over a two-month period, this developer focused on backend reliability and legacy compatibility for the BCSDLab/KOIN_API_V2 repository. They addressed critical issues in shuttle scheduling by refining route filtering logic and correcting time calculations, ensuring only valid weekday routes were included and that departure times always preceded arrivals. Using Java and Spring Boot, they improved data accuracy and user trust in the shuttle service. Additionally, they maintained backward compatibility for legacy API endpoints by implementing a targeted fix for weekend bus route direction handling, preserving expected behavior for legacy clients. Their work demonstrated careful attention to production stability and maintainability.
March 2026: Maintained backward compatibility for legacy API endpoints in BCSDLab/KOIN_API_V2 by implementing a focused fix to weekend bus route direction handling. When arrival time is unavailable for weekend schedules, the default direction is now '등교' to preserve compatibility with legacy GET /bus requests. Delivered as a hotfix with minimal risk and clear commit traceability, ensuring production reliability for legacy clients.
March 2026: Maintained backward compatibility for legacy API endpoints in BCSDLab/KOIN_API_V2 by implementing a focused fix to weekend bus route direction handling. When arrival time is unavailable for weekend schedules, the default direction is now '등교' to preserve compatibility with legacy GET /bus requests. Delivered as a hotfix with minimal risk and clear commit traceability, ensuring production reliability for legacy clients.
March 2025 monthly summary for BCSDLab/KOIN_API_V2: Delivered a critical reliability improvement to the shuttle scheduling feature by fixing route filtering to include only valid routes based on weekday and correcting departure/arrival time calculations. The fix ensures departure times precede arrival times, significantly improving schedule accuracy and user trust. This work is tracked under commit 9297ad87a5d0f68492e7bb2b960c1b9bb2f0124b.
March 2025 monthly summary for BCSDLab/KOIN_API_V2: Delivered a critical reliability improvement to the shuttle scheduling feature by fixing route filtering to include only valid routes based on weekday and correcting departure/arrival time calculations. The fix ensures departure times precede arrival times, significantly improving schedule accuracy and user trust. This work is tracked under commit 9297ad87a5d0f68492e7bb2b960c1b9bb2f0124b.

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