alice sets namespace standard on scenario34-pending-bffcc5: 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=c0725852-6665-4d77-8d63-0c1954c341ad p2=8e96fd6c-a7f0-4e02-93d1-fbbd626d8871
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