During January 2025, Haochen Wu focused on enhancing reliability and maintainability in the minio/minio-go repository by addressing a targeted bug related to error handling. Haochen implemented the error interface for the RemoveObjectError struct, allowing it to be treated as a standard Go error and ensuring consistent error propagation throughout the library. This technical approach, using Go and leveraging skills in API development and error handling, reduced ambiguity for client code and simplified debugging processes. The work demonstrated a thoughtful understanding of Go’s error interface patterns and contributed to a more robust and maintainable SDK for MinIO users.