{
  "task_id": "demo_utir_write",
  "description": "Prove the local runtime can execute one UTIR fs.write operation.",
  "operations": [
    {
      "type": "fs.write",
      "path": "runs/sandbox/utir-demo.txt",
      "content": "bit/vector/tensor control policy utir demo\n",
      "mode": "0644",
      "create_dirs": true
    }
  ],
  "policy": {
    "gamma_gate": 0.2,
    "time_ms": 30000,
    "max_risk": 0.2,
    "tiny_diff_loc": 20
  }
}