alice sets namespace standard on scenario34-pending-4d7683: 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=1e16eeed-8a00-4bd4-85d5-b55fcf597b96 p2=e2e6d34e-c14a-43fc-b806-f722043a5ffb
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