Worked on targeted reliability and usability improvements for the jdx/usage and jdx/mise repositories, focusing on shell scripting and Rust-based CLI development. Addressed noclobber errors in shell tab completion for bash and zsh by safely overwriting temporary files, ensuring robust completion behavior. Overhauled the mise CLI by replacing deprecated flags with a clear --output model, introducing a global --silent mode, and enhancing help rendering and subcommand support to streamline automation and scripting. Improved monorepo alias resolution and tab completion, expanding test coverage with new end-to-end and unit tests. Maintained code quality through rigorous formatting and static analysis checks.