[BUG] [Windows] "Open auto-memory folder" fails when username contains spaces

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?

Bug: /memory "Open auto-memory folder" fails on Windows with spaces in username

Steps to reproduce:

1. Windows user with space in username (e.g. "Jaime Bueno")
2. Run /memory in Claude Code
3. Select "Open auto-memory folder" and press Enter

Expected: Opens C:\Users\Jaime Bueno\.claude\projects\
Actual: Tries to open C:\Users\Jaime\.claude\ (truncates at space)

Claude Code version: v2.1.133
OS: Windows 11

What Should Happen?

Opens the auto-memory folder in Windows Explorer at
C:\Users\Jaime Bueno\.claude\projects\

Error Messages/Logs

Windows cannot find 'C:\Users\Jaime\.claude\'. 
Check the spelling and try again.

Steps to Reproduce

1. Have a Windows username with a space (e.g. "Jaime Bueno")
2. Open Claude Code
3. Run /memory
4. Select option 3 "Open auto-memory folder" and press Enter
5. Windows error popup appears

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

v2.1.133

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_