Worked on enhancing the developer experience in the facebook/sapling repository by implementing zsh completion for the unshelve command. Focused on command line interface development and zsh scripting, the solution enabled tab-completion to display available shelved names rather than local file names, streamlining the process of managing shelved items. This approach preserved existing command behavior while improving discoverability and reducing user errors during unshelve operations. The work was delivered with clear, descriptive commit messaging to facilitate future maintenance and review. The contribution addressed a targeted usability issue, demonstrating attention to both technical detail and the needs of end users.