{
  "after": "C309",
  "chosen_next_step": "C310: Compute the minimal fixed-context cover of the seven supported LXX600-segment indices, then synthesize the batch and publish the final restart package.",
  "reason": "The remaining ambiguity is whether the apparent annual coverage is one coherent source context or a composite of distinct contexts and event roles.",
  "next_step_executed_within_this_step": false,
  "effort": "High sufficient",
  "limits": [
    "Scalar rank does not replace source membership or phase verification.",
    "The K-multiple coefficient pattern was read from supplied data, not derived without premises.",
    "Exact internal structure does not establish historical necessity or probability."
  ]
}