{
  "completed_step": "C391",
  "next_proposed_step": "C392",
  "question": "At the four already selected held Noah coordinates, enumerate all exact E images inside the frozen regular register. Classify the source-labelled edges and maximal paths, and determine precisely how the new E/J square sits beside the older double-E ladder.",
  "reason_selected_after_current_result": "The equations suggest a shared held-Noah source geometry. A finite graph census at those existing pivots can distinguish actual links from scalar identities before the final synthesis.",
  "executed": false,
  "authorization_remaining": 2,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}