Optionalcapacity: numberRelease only this producer's pending reservation; never delete settled facts.
Optionalreason: "aborted" | "producer-failed"Optionalsignal: AbortSignalCalled only with values the actual run already resolved under its grants.
Supplied history cannot bypass the actual session owner's admission or credential enrollment. Recheck the final envelope after every source await.
Optionalrequested: (modelId: string) => boolean
Actual producer-start ownership, never a reconstructed last-result fingerprint.