alice sets namespace standard on scenario34-pending-180ec6: 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=9eeb282c-b58e-436f-9dd9-c021fe0af18b p2=4da3c0a8-7b0f-43ae-be19-95b6e84956a8
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