[BUG] Entire terminal window change font to much smaller when status line enabled

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?

After I enabled StatusLine feature
"statusLine": {
"type": "command",
"command": "powershell.exe -NoProfile -File ./scripts/statusline-command.ps1"
}

restarted terminal and Claude Code

The font size in the entire terminal window became smaller.
Before

<img width="438" height="77" alt="Image" src="https://github.com/user-attachments/assets/93df2e7d-d496-4ca0-8ebd-56d1b58816c3" />

After

<img width="875" height="70" alt="Image" src="https://github.com/user-attachments/assets/6618d90e-0b1a-4665-94c9-7799b90d5410" />

I use Microsoft Virtual Desktop

What Should Happen?

Font size should not be changed

Error Messages/Logs

Steps to Reproduce

1. Enabled StatusLine feature in Settings.json

"statusLine": {
"type": "command",
"command": "powershell.exe -NoProfile -File ./scripts/statusline-command.ps1"
}


1. Restart terminal
2. Run Claude Code

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.12

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_