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). Background: cards was split off from payments-core on the 21st. card-auth is cards' now, per teams/ownership.yaml , and a few tickets below come out of…