{
  "userMessage": {
    "role": "user",
    "content": "Hello, Claude"
  },
  "assistantMessage": {
    "role": "assistant",
    "content": [
      { "type": "text", "text": "Hello! How can I help?" }
    ]
  },
  "toolUseMessage": {
    "role": "assistant",
    "content": [
      {
        "type": "tool_use",
        "id": "toolu_test_001",
        "name": "Read",
        "input": { "file_path": "/tmp/test.txt" }
      }
    ]
  },
  "toolResultMessage": {
    "role": "user",
    "content": [
      {
        "type": "tool_result",
        "tool_use_id": "toolu_test_001",
        "content": "file contents here"
      }
    ]
  }
}