Task list sorting is wrong.

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Check the screenshot, sorting is wrong.
It's: 1,11,12,13,14,...,19,2,20,21,22,...29,3,30,31... ...5,6,7,8,9.

What Should Happen?

It's obvious, it should be: 1,2,3,4,5,6,7,8,9,10,11,12,13,14...

Error Messages/Logs

Steps to Reproduce

Didn't do anything special, it's just a looong task list.

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

latest

Platform

Other

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

!Image