alice sets namespace standard on scenario34-pending-bcb600: 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=0cbf55a6-3eff-4d56-83db-f842381e24ad p2=ba5a76a5-4477-4c0b-beb1-9b3968d62d2e
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