Worked on enhancing authentication robustness for the openbao/openbao repository, focusing on backend development using Go. Addressed a specific bug in the authentication flow by correcting the logic for logging errors when no trusted certificate chains are found, ensuring that failure signals are accurate and actionable. Improved the clarity of user-facing error messages during authentication failures, which helps reduce user confusion and support overhead. Maintained high code quality with clear commit messages and proper attribution, supporting traceability. The work demonstrated attention to detail in error handling and contributed to more reliable login experiences, though no new features were introduced during this period.