expert (E2): a week of the observability queue on a large legacy Prometheus/Alertmanager repo, graded by…

expert (E2): a week of the observability queue on a large legacy Prometheus/Alertmanager repo, graded by…: a task in 3ambench (Harbor dataset). Context: core-api split on the 15th. sso-gw now belongs to identity (see teams/ownership.yaml ). Two of the tickets below come from that.