{
  "split": "train",
  "input_root": "data_dpo_v2\\train_pref_v1",
  "total_pairs": 2500,
  "assembly_counts": {
    "chosen_rule_fallback": 2500,
    "rejected_constructed_fallback": 2500
  },
  "strong_answer_summary": {
    "label": "strong_answers",
    "count": 0
  },
  "weak_answer_summary": {
    "label": "weak_answers",
    "count": 0
  }
}