alice sets namespace standard on scenario34-pending-7f2ff9: 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=781aa643-a912-4d02-a7a3-3c6e2bf3e2e3 p2=70ae5b97-a73a-46e5-ad97-e4d275bdf0a6
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