alice sets namespace standard on scenario34-pending-780bbd: 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=7e9265ef-7e7b-4419-b063-842c73db4d3f p2=9d1b503b-5b62-4595-a3a0-252f2dc8da71
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