{
  "model_name": "recommender",
  "model_version": "recommender_v2_baseline_001",
  "dataset_version": "2.0.0",
  "seed": 42,
  "split_counts": {
    "train": 5671,
    "validation": 1214,
    "test": 1215
  },
  "hyperparameters": {
    "n_estimators": 100,
    "max_depth": 4,
    "random_state": 42,
    "algorithm": "GradientBoostingClassifier",
    "encoder": "OrdinalEncoder"
  },
  "feature_columns": [
    "priority",
    "ai_confidence",
    "recommendation_type",
    "grade",
    "subject"
  ],
  "categorical_columns": [
    "priority",
    "recommendation_type",
    "subject"
  ],
  "numeric_columns": [
    "ai_confidence",
    "grade"
  ],
  "target_columns": [
    "clicked",
    "is_completed"
  ],
  "algorithm": "GradientBoostingClassifier"
}