During April 2026, contributed to the alibaba/nacos repository by developing a Cluster Metrics Aggregation Completeness Indicator for the v3 API. This feature was designed to distinguish between full and partial metrics collection, addressing telemetry gaps and improving the reliability of cluster monitoring. The implementation involved Java-based backend development and API design, with a focus on maintainability and observability within a microservice architecture. By enabling more accurate dashboards and incident response, the work enhanced the overall monitoring capabilities of the system. The approach emphasized traceability through linked issues and commit history, and incorporated unit testing to ensure robust functionality.