opschain admin runners

Included from Basic tier

Inspects the runner fleet as a whole — the admin-gated, read-only sibling of the per-runner verbs under opschain admin runner.

Subcommand	Does
list	List registered runners with group, liveness, current job and lifecycle state — opschain docs cli/admin-runners-list

To act on a runner the listing surfaces, take its id to opschain admin runner show|drain|resume|forget (opschain docs cli/admin-runner). The queue those runners feed from: opschain docs fleet-queue.