During the month, contributed to the cockroachdb/geos repository by encapsulating type aliases within classes, moving using declarations from the global namespace into class bodies. This refactoring effort in C++ focused on reducing namespace pollution and improving the maintainability and readability of the codebase. The approach aligned with repository guidelines for namespace and type alias management, resulting in clearer API boundaries and facilitating future code refactoring. Emphasizing disciplined commit messaging and traceability, the work demonstrated attention to code hygiene and software architecture principles. The changes enhanced code organization and supported long-term maintainability without introducing new bugs or regressions during the period.