[
  {
    "task_id": "T001",
    "task_complexity_level": 3,
    "execution_time_sec": 12.4,
    "energy_consumption_joule": 245.6,
    "joint_error_margin_deg": 1.8,
    "sensor_noise_index": 0.12,
    "retry_count": 1,
    "task_success": "success",
    "performance_score": 87.5
  }
]