Persistence contract for legacy purchase continuations. create is an
atomic put-if-absent by issuanceFingerprint. claim atomically verifies
bindings and expiry, enforces the operation-wide idempotency index, and
moves an available token to claimed. Implementations must not return live
mutable references.
Persistence contract for legacy purchase continuations.
createis an atomic put-if-absent by issuanceFingerprint.claimatomically verifies bindings and expiry, enforces the operation-wide idempotency index, and moves an available token to claimed. Implementations must not return live mutable references.