{
  "model_name": "test-unknown-tool",
  "expects": {
    "min_responses": 1
  },
  "steps": [
    {
      "request_hint": { "last_user_message_contains": "deploy" },
      "response": {
        "type": "tool_calls",
        "tool_calls": [
          {
            "id": "call_unknown",
            "name": "deploy_to_production",
            "arguments": { "target": "us-east-1" }
          }
        ],
        "input_tokens": 100,
        "output_tokens": 25
      }
    },
    {
      "response": {
        "type": "text",
        "content": "I don't have a deploy_to_production tool available. I can only use the tools that are registered in my tool registry.",
        "input_tokens": 200,
        "output_tokens": 30
      }
    }
  ]
}