{
  "after": "C296",
  "chosen_next_step": "C297: compare the fixed16K/Christ and24K/Conquest gap constructions across the existing MT Flood register and full cumulative field.",
  "reason": "The large bridges now have source-qualified members. The axis report also displays a6000 comparison on both regular and cumulative sides, which can be tested without a new scale or anchor.",
  "next_step_executed_within_this_step": false,
  "effort": "High sufficient",
  "limits": [
    "The two large cumulative markers have different annual indices.",
    "Equality of paired sets does not identify component ancestry.",
    "A nominal radius does not establish a missing Noah event."
  ]
}