Worked on stabilizing environment tooling for the JanCode repository by addressing a critical configuration management issue. Focused on improving reliability, the developer fixed a bug in the .tool-versions file by normalizing Node.js version strings, specifically removing the leading 'v' to ensure consistent parsing across local and CI environments. This Shell-based solution reduced build failures caused by version misinterpretation and enhanced reproducibility for development teams. No new user-facing features were released during this period, as the primary emphasis was on backend stability and developer experience, leveraging configuration management skills to streamline environment setup and minimize tooling inconsistencies across the project.