{
  "enabled": true,
  "status": "Provisional current-election choice; not a statistically established improvement",
  "senate_case": "rcv_final_pooled",
  "house_case": "national_map_context",
  "maximum_change_pp": 3,
  "method": "Replace the overlapping earlier-performance definition through paired refits, preserving the active polling blend, existing national conditions and uncertainty. Fit only earlier elections. No additional fixed incumbency bonus.",
  "missing": "Retain the existing model when comparable matched history or a supported transfer comparison is unavailable. Missing history is not zero ability.",
  "uncertainty": "Existing ranges retained; conditional on this provisional candidate-performance choice. Model-choice uncertainty is not separately calibrated."
}