Blame for model_metadata.json

{
  "model_name": "prajjwal1/bert-tiny",
  "max_length": 128,
  "optimal_threshold": 0.11530892550945282,
  "val_metrics": {
    "accuracy": 0.9702797202797203,
    "precision": 0.9004739336492891,
    "recall": 0.979381443298969,
    "f1": 0.9382716049382717
  },
  "test_metrics": {
    "accuracy": 0.8353344768439108,
    "precision": 0.6678445229681979,
    "recall": 0.9895287958115183,
    "f1": 0.7974683544303798,
    "confusion_matrix": [
      [
        298,
        94
      ],
      [
        2,
        189
      ]
    ]
  },
  "dropout_rate": 0.2,
  "training_date": "2025-10-04 02:43:10",
  "hidden_size": 128
}