team-reorg-migration (hard): 14 change requests on a Prometheus/Alertmanager repo, graded by promtool/amtool…

team-reorg-migration (hard): 14 change requests on a Prometheus/Alertmanager repo, graded by promtool/amtool…: a task in 3ambench (Harbor dataset). Context: team messaging was split. Ownership moved: media-edge → messaging-core , identity-svc → messaging-edge . The legacy messaging route stays as…