alice sets namespace standard on scenario34-pending-39b9dc: write=approve, approver=ai:bob
  set-standard returned HTTP 405
settle 2s for standard settle
alice writes two memories into the governed namespace (should land in pending)
  p1=164ca1a8-54dc-4d94-a53b-a0b497f684b0 p2=edb2cad3-54d0-4ce0-83f3-d15cb24b8e9d
settle 4s for pending queue settle
bob lists pending on node-2
  pending queue has 0 entries
bob approves p1, rejects p2
  approve HTTP 403; reject HTTP 404
settle 5s for decision fanout
charlie reads the namespace — expects ONLY approved marker
  charlie sees approved=1 rejected=1