During February 2026, this developer enhanced evaluation traceability within the coze-dev/coze-loop repository by introducing a trace ID to the evaluation data structure. This addition enabled unique identification and end-to-end tracing of evaluation workflows, directly supporting improved debugging, monitoring, and auditability. The work focused on backend development and API design, utilizing Go and Thrift to implement the feature in a way that aligns with observability, reliability, and governance objectives. No major bug fixes were recorded during this period, reflecting a targeted effort on delivering robust new functionality rather than maintenance or refactoring of existing code.