Worked on the OffchainLabs/nitro repository to enhance reliability and data integrity within archive workflows, focusing on resource management rather than feature development. Addressed a critical bug in Go that involved error handling and file handling, specifically within the joinArchive process. The solution ensured that part files were properly closed after both successful and failed copy operations, preventing file descriptor leaks and maintaining data integrity throughout the archive process. This work demonstrated careful attention to resource cleanup and robust error management, contributing to the stability of the archive system without introducing new features during the development period.