alice sets namespace standard on scenario34-pending-92c5a9: 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=e3c32541-8801-4ff6-91ad-715e92a08e45 p2=b1fac2d0-71ba-4b31-ac5f-1b2e111ba653
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