Issue: Metrics not cleaned up after resource deletion

Issue: Metrics not cleaned up after resource deletion: a task in LegoFlow-SWE (Harbor dataset). When a rollout, analysis run, analysis template, cluster analysis template, or experiment is deleted from the cluster, the associated Prometheus metrics are not removed from the internal metric stores…

The task

When a rollout, analysis run, analysis template, cluster analysis template, or experiment is deleted from the cluster, the associated Prometheus metrics are not removed from the internal metric stores. The `/metrics` endpoint continues to report these metrics for objects that no longer exist, causing the response…

Part of Lego-X/LegoFlow-SWE.