[BUG] Switching VS Code editor tabs with Ctrl+Tab changes Claude Code permission mode erratically

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?

I'm using Claude Code through the VS Code extension (not the integrated terminal). I've set up custom VS Code keybindings to switch between Claude Code editor windows. The shortcuts are:

• Ctrl+Tab: switch forward to the next editor tab
• Ctrl+Shift+Tab: switch backward to the previous editor tab

These are configured in VS Code's keybindings.json. My default Claude Code permission mode is set to "bypass permissions". When I use these shortcuts to switch between tabs, the permission mode changes to a different mode without any user action.

What Should Happen?

Switching between editor tabs should not affect the permission mode of any Claude Code session. Each session's permission mode should stay as the user set it.

Error Messages/Logs

Steps to Reproduce

1. Set up custom VS Code keybindings for Ctrl+Tab (forward) and Ctrl+Shift+Tab (backward) to switch editor tabs
2. Open multiple Claude Code editor windows/tabs in VS Code
3. Set permission mode to "bypass permissions"
4. Use the shortcuts to switch between tabs
5. Observe that the permission mode has changed unexpectedly

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

v2.1.37

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_