Finds the metrics nobody ever asks to dance. Audits Prometheus/Mimir against Grafana usage, ranks waste by cardinality and cost, generates drop rules, gates CI.
Shared Redis cache-aside library for IlonaPay microservices. It provides namespaced key helpers, cache-aside patterns, negative caching and TTL management, instrumentation (Prometheus + OpenTelemetry), and small convenience helpers for service health and session validation.