[BUG] Claude code lose track of running subagents

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?

If Claude Code start up subagents and right after compact the conversaiotn, it starts to go haywire because and want to continue previous task even though the subagents are running.

Solution now is to tell calude to stop working.

Got it — the agents are still running from the previous session. I'll wait for them to finish.

What Should Happen?

It should ackknowledge it has subagents running and wait for them

Error Messages/Logs

Steps to Reproduce

fill up context and tell it to start subagents.

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.72

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_