[BUG] WHY MY CLAUDE CODE ALWAYS EXIT CODE 1 WHEN USING BASH WINDOWS

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="669" height="197" alt="Image" src="https://github.com/user-attachments/assets/8d3a7885-01bd-4c1b-ba3c-86f913de396b" />

This is not happening before i did something to write a markdown skill and use it. But not

What Should Happen?

No exit code 1

Error Messages/Logs

I CANT SEE ANY ERROR AS CLAUDE CODE DO NOT HAVING A VERBOSE MODE THAT IS VERBOSE ENOUGH. CANT SEE WHAT CLAUDE DOING, HOW CLAUDE SPAWN/CALL BASH . ETC ETC

Steps to Reproduce

JUST BASIC CLAUDE START AND PROMPT IT TO ECHO HELLO USING BASH

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

2.4.15

Claude Code Version

2.4.15

Platform

Other

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_