WH-ENG-20260822-AUDIT-E2-02 projected and then aborted: admit-plane had no
receipt adapter, so the runner sent zero packets. Consume custody receipts
as handles only, keep unconnected admission fail-closed, and retire -02.
Assistant: grok
Assistant-Session: 01a02670-3345-76f2-a014-70fde8e2a2bb
