Anton K. enhanced analytics metrics granularity in the metabase/metabase repository by refactoring Prometheus metrics for SDK and iframe responses. He reworked the metric export logic in Clojure to report non-grouped status codes, moving beyond the previous 'ok' and 'error' groupings. This approach enabled more precise visibility into response outcomes, supporting improved observability and the creation of detailed SLA dashboards. By focusing on backend development and metrics instrumentation, Anton laid the foundation for data-driven performance analysis and targeted optimizations. His work demonstrated depth in API monitoring and logging, addressing the need for finer-grained analytics without introducing new bugs.