advisory: PR head is not certified-as-latest (exists=true, on-chain commit=0x82f0d0e584c9da2c940fba0ffeef294331f36c2babd9b004f61b5dbb4e93f7dc vs keccak(head)=0xc16500a958d6b8a08c28831924545dc4cf6067d18ae5e1e5f148e8f616868852, approvals=1, quorum=1). Expected for an open submission; gates nothing — the leader's in-process on-chain check is the authoritative merge gate.