alice sets namespace standard on scenario34-pending-d93dbb: 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=779cdba8-3b54-4687-a3da-29768e49e938 p2=88d53850-84d0-4fb4-8fa6-429e8fb1dbdd
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