{
  "method": "sessionUpdate",
  "args": [
    {
      "sessionId": "test-session-id",
      "update": {
        "sessionUpdate": "tool_call_update",
        "toolCallId": "command-123",
        "_meta": {
          "terminal_output_delta": {
            "data": "\ncontinue\n",
            "terminal_id": "command-123"
          }
        }
      }
    }
  ]
}