During May 2025, S.T. contributed to the SagerNet/gvisor repository by enhancing the user experience of the command-line interface for root directory configuration. S.T. updated the --root flag help message to display its default value and the relevant environment variable, making configuration more transparent for users. The work involved refactoring Go code to introduce constants for DEFAULT_ROOT and XDG_RUNTIME_DIR, which improved code readability and maintainability. By focusing on configuration management and command-line interface usability, S.T. helped reduce configuration errors across deployments. The depth of the work lay in thoughtful code organization and clear communication of configuration options to users.