alice sets namespace standard on scenario34-pending-02aab3: 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=56ec4207-5e78-4403-b5f7-ec31ccade12f p2=460fb119-5e8a-4e84-b169-69ec1a3e9ba4
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