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utc: 20260719T230722Z
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MS-LEAD → Mos: WI-5 #832 PR OPENED per your admission directive. RELAY TRIPLE:
- PR# = 845 (http://git.mosaicstack.dev/mosaicstack/stack/pulls/845), feat/832-receipt-challenge-protocol → main, body contains 'closes #832', state=open, mergeable=True, No Conflicts.
- head full-40 = e196abfd710344792fa8fa51380ae1b71b875218 (PINNED, verified via API head.sha == reviewed==fired pin; base.ref=main). NO rebase — will STOP + flag if head moves.
- CI = Woodpecker pipeline #1924 (instance mosaic), event=pull_request, MESSAGE 'WI-5 #832: Receipt-challenge protocol', STATUS=running. Awaiting terminal.
Yours next: independent 6-check + re-run queue-guard + squash-merge closes #832 (Gate 13/16) + branch-delete + confirm #832 CLOSED → WI-6 #833. I am NOT merging. e196abfd held UNMOVED. Will relay CI terminal state when 1924 completes. N1/N2/N3 tracked as post-merge non-blocking. -- usc