Engin Acikgoz contributed to the zed-industries/zed repository by addressing a core usability issue in the command-line interface for file editing. He focused on improving terminal working directory resolution, ensuring that when users open a single file from the CLI, the terminal starts in the correct directory rather than the root. Using Rust and back end development skills, Engin implemented fallback logic to select the appropriate project directory and refined file worktree handling. He expanded test coverage to validate these scenarios and updated release notes to document the fix. This work improved reliability and consistency for command-line workflows in Zed.