[BUG] Claude code panel not opening up in bottom terminal panel.

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?

<img width="1302" height="718" alt="Image" src="https://github.com/user-attachments/assets/8c377466-567b-4c80-bb15-f34019aefdbe" />

<img width="1879" height="595" alt="Image" src="https://github.com/user-attachments/assets/27976a7a-6464-49d0-ac47-fb6912ce35eb" />

Claude version is 2.1.272

What Should Happen?

I want the Claude window to be another tab on the left side (amongst Problems/Output/Debug Console/Terminal/Ports). IntelliJ supports this, not sure why VSCode doesn't. I don't want to split the window.

Error Messages/Logs

Steps to Reproduce

Open VSCode. Open new Terminal. Click Claude icon to open a new Claude window.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.272

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_