{
  "completed_step": "C349",
  "next_proposed_step": "C350",
  "question": "Audit the order of the three existing fixed-endpoint expressions. Compute their exact coordinate commutators and test whether both composition orders remain inside the declared source field, keeping scalar algebra separate from source permission.",
  "reason_selected_after_current_result": "The partial relation table is now complete. Composition order is the next unresolved structural issue; its fixed anchors are already declared, so no new anchor is needed.",
  "executed": false,
  "authorization_remaining": 4,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}