alice sets namespace standard on scenario34-pending-799f4a: 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=dabbca5f-d2ba-4d72-83cf-0aba05947380 p2=823ecd47-b8fc-4033-820f-91c09c05ce20
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=0 rejected=0