alice sets namespace standard on scenario34-pending-261fc5: write=approve, approver=ai:bob
  set-standard returned HTTP 201
settle 2s for standard settle
alice writes two memories into the governed namespace (should land in pending)
  p1=3dad68e1-9170-46f4-bc73-6f31fcfbf0a1 p2=b70a0d9b-0148-4f19-bc88-40d34a90a59d
settle 4s for pending queue settle
bob lists pending on node-2
  pending queue has 2 entries
bob approves p1, rejects p2
  approve HTTP 200; reject HTTP 200
settle 5s for decision fanout
charlie reads the namespace — expects ONLY approved marker
  charlie sees approved=1 rejected=0