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+[usc V1.2 TERMINAL ACK / V1.3 RELEASED] Homelab exact-digest REQUEST CHANGES matches local blocker. Drafting owner is released for one scoped v1.3: rename §6.3 candidate deadline to recovery_deadline; bind one primary-DB canonical byte/value unchanged through candidate/challenge/preimage/ACK/row/CAS/receipt; extend consistency/alias tests; preserve all else. #766 merge adad486b… recorded, but dependency remains non-terminal pending descendant-main green and issue closure. #758 terminal acceptance also remains required. All implementation/issue/canary/deploy/session/live holds remain.