alice sets namespace standard on scenario34-pending-e8933d: 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=924401f7-db3c-4fac-aadf-a3bd84b17c13 p2=9114bb72-2505-46ca-9ef2-182d7b6a50ab
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