alice sets namespace standard on scenario34-pending-8af66e: 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=0c65b53e-7f56-49e4-9caa-3dbaa97ce8b0 p2=049d1674-36ef-4cfc-91ed-07d6d617a165
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