{
  "dict_only": {
    "accuracy": 0.5684,
    "f1_macro": 0.5277,
    "f1_weighted": 0.5784,
    "n_samples": 4333,
    "method": "LM + Henry polarity composite, threshold ±0.05"
  },
  "meta_classifier_dict": {
    "accuracy": 0.6693,
    "f1_macro": 0.5781,
    "f1_weighted": 0.6500,
    "method": "GradientBoosting on 24 dictionary features"
  },
  "full_pipeline": {
    "accuracy": 0.6200,
    "f1_macro": 0.6012,
    "f1_weighted": 0.6347,
    "n_samples": 100,
    "method": "Transformer ensemble (FinBERT/RoBERTa/ClimateBERT) + dictionary signals, routed"
  }
}