{
  "author": "root",
  "created_at_utc": "2025-10-04T13:42:01Z",
  "model_type": "PyTorch_MLP_tabular",
  "model_file": "model.pth",
  "checkpoint_file": "checkpoint.pt",
  "preprocessor_file": "preprocessor.joblib",
  "input_dim": 47,
  "hidden_layers": [
    256,
    128
  ],
  "output_dim": 3,
  "num_classes": 3,
  "hyperparameters": {
    "batch_size": 128,
    "epochs_requested": 40,
    "learning_rate": 0.001,
    "patience": 8
  },
  "data_split": {
    "train_size": 7650,
    "val_size": 957,
    "test_size": 957
  },
  "target_mapping": {
    "CANDIDATE": 0,
    "CONFIRMED": 1,
    "FALSE POSITIVE": 2
  },
  "final_metrics": {
    "best_epoch": 27,
    "test_loss": 0.2747343909092707,
    "test_accuracy": 0.9278996865203761
  },
  "notes": "Preprocessor is a ColumnTransformer (num imputer+scaler, cat imputer+onehot). High-cardinality cat columns were dropped automatically."
}