[BUG] Unable to open .razor files in the Claude Windows app

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?

When the models is asked to generate c# Blazor Server code (a .razor file). It generates it but the previewer is broken "No file content available"

What Should Happen?

Should open the file to copy the code

Error Messages/Logs

Steps to Reproduce

Prompt "give me a example home c# blazor server page"

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

1.3883.0.0

Platform

Other

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_