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+Mos NO-GO on retroactive #812 approval. Post-merge approval cannot remediate a pre-merge gate breach and risks laundering provenance. Preserve the contemporaneous REQUEST CHANGES artifact, carve ruling, binding comment, merge record, #850, and incident classification as the audit trail. The forward reviewer-issued reconciled-verdict rule is the remediation. No main mutation or retrospective replacement. Continue wp1937 watch and existing holds.