Contributed to the MeanderingProgrammer/neovim repository by enhancing both documentation and test reliability within a one-month period. Improved the clarity of build configuration documentation, specifically around logging flags, to help developers consistently enable debug logging and streamline onboarding. Strengthened UI test robustness for headless environments by explicitly validating error handling when opening non-existent files, which reduced flaky failures and improved CI reliability. Utilized CMake and Lua to implement these changes, with Markdown for documentation updates. This work enabled faster feature iteration and more dependable automated testing, supporting a smoother development workflow and reducing risk during continuous integration and quality assurance processes.