alice sets namespace standard on scenario34-pending-285263: 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=ce3ea2a9-a897-41c6-8c2d-3e6aadc9af70 p2=88fca9c6-5b23-4eaf-8e7d-1a521ce9128b
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