Close out the scope chain on a shipped slug — leaves the canonical spec reconciled with what shipped, spent plan/blueprint artefacts archived, and one ship line recorded. The terminus after /execute meets done-criteria. Use on /close-out <slug>, \"close out this slug\", \"reconcile what shipped\", \
Close out the scope chain on a shipped slug — leaves the canonical spec reconciled with what shipped, spent plan/blueprint artefacts archived, and one ship line recorded. The terminus after /execute meets done-criteria. Use on /close-out <slug>, \"close out this slug\", \"reconcile what shipped\", \"wrap up <slug>\". Mode A — never auto-fires; all writes behind propose-confirm.