Worked on the temporalio/tcld repository to deliver enhanced observability and client identification by implementing a default user agent for gRPC connections. Leveraging Go and system configuration skills, introduced logic to initialize the user agent at application startup using build information, ensuring every gRPC client connection includes version details. This approach improved telemetry, monitoring, and troubleshooting by enabling services to identify client versions across the system. The feature, merged as part of a dedicated pull request, addressed the need for better incident response and data-driven capacity planning. The work focused on robust integration with gRPC and careful handling of build metadata.