Developed configuration initialization input validation enhancements for the instructlab/instructlab repository, focusing on improving the reliability of CLI-based configuration management workflows. Leveraging Python and the Click library, the work introduced stricter input validation by restricting hardware vendor and profile selections to valid values using click.IntRange. This approach reduced the risk of invalid configurations and minimized downstream errors during hardware provisioning. By hardening the configuration setup process, the changes led to fewer runtime configuration issues and smoother deployment experiences. The work demonstrated a methodical approach to CLI development, emphasizing robust input handling and maintainable code for configuration management tasks.