Worked on the vercel/turborepo repository to enhance cross-platform reliability and developer experience by addressing both a bug and a documentation gap. Implemented a fix for npm script shell handling by introducing a .npmrc file with script-shell set to bash, reverting previous inline node script replacements to ensure consistent execution of shell commands like mkdir, cat, and echo on Windows using Git Bash. Additionally, improved the Turbo CLI documentation by detailing the usage of the --force flag for the login command. The work leveraged bash scripting, CLI development, and Markdown to support cross-platform compatibility and clearer user guidance.