{
  "after": "C292",
  "chosen_next_step": "C293: test the13K odd-level arrangement against the existing8K reflection composition, with a fixed center and full phase ancestry.",
  "reason": "The retained13K carrier yields a midpoint near the existing4K boundary; the annual offset and missing endpoints must be checked before claiming a fixed-axis correspondence.",
  "next_step_executed_within_this_step": false,
  "effort": "High sufficient",
  "limits": [
    "Equal spacing alone does not select16K uniquely.",
    "A repeated13K scalar does not identify different source paths.",
    "No diagnostic bridge or row-dependent center is adopted."
  ]
}