alice sets namespace standard on scenario34-pending-fc654d: 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=9d3c7e83-8cae-4d6f-aa47-1622fd2e9bf6 p2=544b7bab-de70-43bf-a43c-81941b0d28b4
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