{
  "completed_step": "C406",
  "next_proposed_step": "C407",
  "question": "Check the500/100 and502/98 Noah-to-Shem bindings separately on all12 source-labelled loops. Test every endpoint and pivot with its required Gear and person rail, identify unavailable boundaries without creating Gear0, and distinguish repeated coordinate images from new source configurations.",
  "reason_selected_after_current_result": "The complete correspondence is now established under500/100. Testing the other valid binding is necessary to state its exact scope without treating502/98 as an invalid chronology.",
  "executed": false,
  "authorization_remaining": 7,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}