Worked on stabilizing the OCI Blob Archive Provider in the pulumi/opentofu repository by addressing a critical bug related to temporary file cleanup. Focused on improving file handling and resource management in Go, the solution ensured that temporary file handles were properly closed, preventing file locking issues and enabling safe removal of temporary artifacts. This change directly enhanced the reliability of archive operations and reduced the risk of orphaned files during deployments. The work demonstrated careful debugging and a strong understanding of IO resource lifecycle management, contributing to a more robust deployment workflow without introducing new features during the period.