Worked on stabilizing the Run Command in the containers/ramalama repository by addressing error handling for model workflows. Focused on Python-based CLI development, the work introduced a pre-run validation step to check for the existence of specified models before execution. This approach prevented multiple redundant error messages when users attempted to run or serve non-existent models, resulting in clearer and faster feedback. By centralizing existence checks within the run and serve paths, the changes improved both reliability and maintainability of the CLI. The targeted bug fix reduced user confusion and support overhead, reflecting a methodical approach to error handling and user experience.