AdmissionControl

An opaque admission gate over warp's free (CoordinationKind.Free) execution path.

Before a ring owner runs a task, WarpNode asks its AdmissionControl whether the task may proceed right now. Returning an AdmissionTicket admits it; returning null defers it — the task stays pending and is retried on a later claim cycle, never dropped. After the task finishes (successfully or with a terminal error) the node calls AdmissionTicket.settle exactly once.

Warp core supplies the meaning-free default OPEN, which admits every task immediately with a no-op ticket — so an untagged workload behaves bit-for-bit as it did before admission control existed. The interesting implementation lives in a satellite: :kuilt-warp-heddle backs admit with a weighted fair-share ledger, reserving a task's Lane leaf entitlement here and completing it in settle. Warp core references no such type — it only knows the two functional interfaces.

Calls are non-suspending on purpose: an admission decision is local bookkeeping (a reservation against already-converged holdings), never a network round-trip. This keeps the free path free — admission adds zero consensus.