Summary

What went wrong?
when open the Tool Output in the Chat view, the browser stuck and cannot click. the browser tab. The cpu rate soared to over 100% in a few seconds, and the page was stuck for 10 seconds before it could be operated. the cpu rate as below:

Steps to reproduce

1. at first, i sent a audio to the bot through telegram chat recording on mobile phone.
2. let the openclaw LLM exec tools, click to open the tool call step and it will pop out the Tool Output sub window slowly
3. cannot operate the whole Chat view webpage

Expected behavior

What did you expect to happen?
i want to smoothly operate the webpage and after the Tool Output subwindow pop out, it should easily close the sub windows

Actual behavior

What actually happened?
the webpage stuck and cpu rate skyrocket, cannot click and scroll the Chat view

Environment

• Clawdbot version: OpenClaw 2026.2.3 (e75e2b1)
• OS: Microsoft Windows 11 Home 10.0.26100
• Install method (pnpm/npx/docker/etc): pnpm
• node version: v25.2.1

Logs or screenshots