{
  "lambda": 0.3,
  "top_seeds": 10,
  "bigrams": true,
  "max_cochange_files": 30,
  "recency": "uniform",
  "select_metric": "mean(hit@1,hit@3) over 2019,2020 internal cuts",
  "select_score": 0.3244,
  "cal_years": [
    2019,
    2020
  ],
  "note": "Congelado en calibración pre-2021. NO re-tocar en walk-forward 2021-2024."
}