[BUG] Cursor is always one character behind the text as the line gets longer - character kerning issue?

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="533" height="69" alt="Image" src="https://github.com/user-attachments/assets/b31ba508-5afa-470a-b1cb-d2c632001426" />

This is extremely annoying as you cant see what you are typing or deleting

What Should Happen?

Normal text entry

Error Messages/Logs

Steps to Reproduce

 ▐▛███▜▌   Claude Code v2.0.13
▝▜█████▛▘  Sonnet 4.5 · Claude Max
  ▘▘ ▝▝    

Just typing text in the box after about 8 words the cursor starts slowly moving backwards

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.0.13

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

IntelliJ IDEA terminal

Additional Information

_No response_