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    "agent_gate: lowered min_df to 1 because the train split has 9 rows",
    "passage_relevance: lowered min_df to 1 because the train split has 8 rows",
    "support_routing: lowered min_df to 1 because the train split has 24 rows",
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  "bootstrap": {
    "n": 1000,
    "seed": 20261006,
    "interval": "percentile 2.5/97.5"
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  "notes": {
    "s1_score_interval": "The interval resamples test items and keeps the robustness term fixed at its point estimate. It is not a bootstrap of the probe subset."
  }
}