[
  {
    "timestamp": 1000,
    "type": "user_message",
    "messageId": "msg_test_001",
    "data": {
      "text": "Install dependencies"
    }
  },
  {
    "timestamp": 1100,
    "type": "tool_call",
    "messageId": "msg_test_002",
    "data": {
      "tool": "bash",
      "input": {
        "command": "npm install"
      },
      "status": "completed"
    }
  },
  {
    "timestamp": 1200,
    "type": "text",
    "messageId": "msg_test_002",
    "data": {
      "text": "Dependencies installed successfully!"
    }
  }
]