alice sets namespace standard on scenario34-pending-aa3f08: 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=ce0d0491-6def-434b-bed7-b935b7b1760c p2=4ba1b3b6-a583-4e2a-8825-76d5ceaa929f
settle 4s for pending queue settle
bob lists pending on node-2
  pending queue has 0 entries
bob approves p1, rejects p2
  approve HTTP 403; reject HTTP 404
settle 5s for decision fanout
charlie reads the namespace — expects ONLY approved marker
  charlie sees approved=0 rejected=0