Worked on the resend-node repository to enhance backend reliability by addressing a key issue in error handling. Focused on TypeScript-based backend development, the work involved delivering a targeted fix that completed missing error code names, thereby improving the clarity and consistency of error responses. This change enabled more effective debugging and troubleshooting by aligning error messages with defined codes, which also strengthened user feedback and observability for ongoing support. The solution was developed collaboratively, contributing to overall code quality improvements. Throughout the month, the primary focus remained on refining error reporting mechanisms rather than introducing new features, emphasizing robust maintenance practices.