[
  {
    "timestamp": 1000,
    "type": "user_message",
    "messageId": "msg_test_001",
    "data": {
      "text": "What does this code do?"
    }
  },
  {
    "timestamp": 1100,
    "type": "tool_call",
    "messageId": "msg_test_002",
    "data": {
      "tool": "read",
      "input": {
        "filePath": "app.ts"
      },
      "status": "completed",
      "output": "function hello() { return 'hi'; }"
    }
  },
  {
    "timestamp": 1200,
    "type": "text",
    "messageId": "msg_test_002",
    "data": {
      "text": "This code defines a simple function called `hello` that returns the string 'hi'. It's a basic TypeScript function."
    }
  }
]