Extra Token-Usage Section Rendered in Agent Summary

<img width="1007" height="529" alt="Image" src="https://github.com/user-attachments/assets/31b163be-509c-4ceb-9697-ae1d3363a562" />

Hello, I noticed that when I click on `MCP Gateway` within a workflow run's agent summary, it renders an additional and identical `Token Usage` section, wondering if this is a UI bug lol. Stuff is cool!