[BUG] Path mismatch with JetBrains rider /ide integration - Claude Code in Windows Terminal (/mnt/c vs C:\)

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?

Environment: Claude Code running from command prompt (Windows Terminal) under Windows 11
Working directory: C:\Dev\abc

/ide command returns

` No available IDEs detected. Make sure your IDE has the Claude Code extension or plugin installed and is running.

Found 1 other running IDE(s). However, their workspace/project directories do not match the current cwd.

• JetBrains Rider: /mnt/c/Dev/abc`

What Should Happen?

/mnt/c/Dev/abc should be recognized as C:\Dev when running in command prompt (not WSL)

Error Messages/Logs

Steps to Reproduce

1. Install Jetbrains rider
2. Install Claude Code (Beta) plugin
3. Start Claude Code in Windows command prompt
4. Launch /ide command

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.90

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_