Erhhung worked on the open-webui/open-webui repository, focusing on enhancing telemetry clarity and observability for HTTP request monitoring. Using Python and leveraging backend development and API development skills, Erhhung standardized metric descriptions to align with OpenTelemetry specifications. This work involved updating telemetry instrumentation to ensure consistency and clarity across dashboards, which helps reduce discrepancies and supports faster issue diagnosis. By adhering to OpenTelemetry standards, Erhhung improved the readiness of monitoring tools for both alerts and onboarding new engineers. The depth of the contribution lay in careful metric definition and commit-driven improvements, demonstrating disciplined application of telemetry best practices.