[BUG] Typing `/t` in a prompt containing the word "think" results in deleted characters

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?

/t is being aggressively removed from my input if my prompt contains the word "think"

What Should Happen?

The character string /t shouldn't be conditionally and surprisingly deleted

Error Messages/Logs

none

Steps to Reproduce

1. Run claude code
2. Type I don't think src/ts is correct
3. Observe that your input now reads I don't think srcs is correct

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

1.0.115

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_