[BUG] JetBrains/PyCharm shows cursor when it does not have focus

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 using the JetBrains/PyCharm Claude plugin, it always displays a block cursor regardless of whether or not the window has focus. I see it and start typing Claude prompts into whatever window actually does have focus, corrupting my source files.

This violates decades of computing precedent - a cursor is the WAY that you tell who has focus. In the screenshot attached, there are TWO cursors. How am I supposed to know which one is real?

What Should Happen?

Only display the block cursor if the Claude window has focus.

Error Messages/Logs

Steps to Reproduce

1. Open a PyCharm project
2. Open the Claude window
3. Click on a source file
4. Get confused by there being two cursors

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.22

Platform

Other

Operating System

macOS

Terminal/Shell

PyCharm terminal

Additional Information

<img width="932" height="775" alt="Image" src="https://github.com/user-attachments/assets/7b69e827-5643-4cc3-9db1-16e9a282a718" />