The result of clientTool execution is not included in the stream response

import { MastraClient } from '@mastra/client-js';
import { weatherTool } from './mastra/tools/weather';

const client = new MastraClient({ baseUrl: 'http://localhost:4111' });

const weatherAgent = client.getAgent('weatherAgent');

const res = await weatherAgent.stream({
  messages: [
    {
      role: 'user',
      content: 'How is the weather in Tokyo?',
    },
  ],
  clientTools: {
    weatherTool,
  },
});

const reader = res.body?.getReader();

if (!reader) {
  throw new Error('Reader is not available');
}

const decoder = new TextDecoder();

while (true) {
  const { done, value } = await reader.read();
  if (done) break;
  const text = decoder.decode(value, { stream: true });
  console.log(text);
}