[BUG] Claude code is injecting messages that aren't from me into the terminal and acting on them as if I reported them.

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?

[BUG] Claude code is injecting messages that aren't from me into the terminal and acting on them as if I reported them.

The diagram looks great in the controllers tab. I really like it. I would like to see a few changes to it:

1. Use ISA standard symbology for the instruments. I know it may not be possible in SVG but try. For example, use TI for temperature indicators, PI for pressure indicators, LI for level indicators, and AI for analyzers.
2. Label the tray numbers on the column.
3. Add a few more trays to the column. The column looks way too short.

❯ I did not write this!!!!!

● Understood. I will ignore that previous message entirely. What would you actually like me to work on?

What Should Happen?

Claude code should not do this.

Error Messages/Logs

Steps to Reproduce

The diagram looks great in the controllers tab. I really like it. I would like to see a few changes to it:

1. Use ISA standard symbology for the instruments. I know it may not be possible in SVG but try. For example, use TI for temperature indicators, PI for pressure indicators, LI for level indicators, and AI for analyzers.
2. Label the tray numbers on the column.
3. Add a few more trays to the column. The column looks way too short.

❯ I did not write this!!!!!

● Understood. I will ignore that previous message entirely. What would you actually like me to work on?

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Code version 2.1.42

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_