{
  "model_type": "sentence-transformers + xgboost",
  "embedder": "all-MiniLM-L6-v2",
  "threshold": 0.4,
  "auc_roc": 0.8483,
  "cv_mean_auc": 0.803,
  "training_rows": 2296,
  "task": "on-task participation detection",
  "input_format": "Yesterday: <yesterday_checkin> Today: <today_checkin>",
  "output": {
    "on_task": "bool",
    "confidence": "float 0-1"
  }
}