In January 2025, Lisa Roach enhanced Python error diagnostics in the facebook/buck2-prelude repository by implementing syntax-highlighted compilation errors and introducing a --debug flag to retain full stack traces. Using Python and focusing on build systems and command-line tools, Lisa also added NO_COLOR support to disable colored output for CI and accessibility needs. These improvements streamlined the debugging process and improved the developer experience by making error messages clearer and more actionable. The work demonstrated a thoughtful approach to error handling and laid a foundation for future enhancements in error reporting across the prelude, reflecting depth in both design and execution.