Worked on the go-gitea/gitea repository to enhance error handling in core backend services, focusing on the Mailer and Wiki components. Implemented a targeted feature in Go that delivers clear, user-facing error messages, aligning with product UX standards and reducing ambiguity for both end users and operators. The approach involved simplifying error handling logic, removing unnecessary error wrapping, and correcting typos to improve clarity and maintainability. This work established a more consistent baseline for error reporting, supporting better automation and support tooling. The changes leveraged Go and backend development skills, emphasizing robust error handling practices within a widely used open-source project.