In January 2026, Hidai focused on enhancing observability within the Mirascope/mirascope repository by developing a Trace Retrieval API that allows users to query traces by function version hash. Using TypeScript and leveraging skills in API development and database management, Hidai implemented robust pagination and comprehensive error handling to ensure reliability and scalability. This feature enables targeted debugging and performance analysis by supporting version-aware trace queries, improving release governance and visibility into function behavior across deployments. Although no major bugs were addressed during this period, the work laid a strong foundation for maintainable, version-specific traceability in complex systems.