alice writes parent-standard-memory on node-1
alice sets namespace standard on scenario35-parent-20d063
  set-parent returned HTTP 405
alice writes child-standard-memory on node-1
alice sets namespace standard on scenario35-parent-20d063/child with parent=scenario35-parent-20d063
  set-child returned HTTP 405
settle 4s for standard fanout
bob gets standard for scenario35-parent-20d063/child on node-2 (expects layered parent+child)
  get-standard returned HTTP 200
  parent-rule visible=False; child-rule visible=False
alice clears standard on scenario35-parent-20d063/child
  clear returned HTTP 405
settle 3s for clear settle