{
  "model_name": "test-worker-timeout",
  "expects": {
    "tools_used": ["echo"],
    "min_responses": 1
  },
  "steps": [
    {
      "response": {
        "type": "tool_calls",
        "tool_calls": [
          {
            "id": "call_echo_1",
            "name": "echo",
            "arguments": { "message": "iteration 1" }
          }
        ],
        "input_tokens": 100,
        "output_tokens": 25
      }
    },
    {
      "response": {
        "type": "tool_calls",
        "tool_calls": [
          {
            "id": "call_echo_2",
            "name": "echo",
            "arguments": { "message": "iteration 2" }
          }
        ],
        "input_tokens": 200,
        "output_tokens": 25
      }
    },
    {
      "response": {
        "type": "text",
        "content": "Completed 2 iterations of tool calls.",
        "input_tokens": 300,
        "output_tokens": 20
      }
    }
  ]
}