[BUG] "Harmonizing" state with 0 tokens and no way to gracefully exit is a bug.

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?

Key details for the report:

• "Harmonizing" spinner stuck at 0 tokens after parallel agent task completions
• Late task notifications arriving while processing caused the stuck state
• User had to interrupt (Esc/Ctrl+C) to recover
• Context: 5 parallel background agents completed, notifications arrived delayed

│ Thank you for your report! │
│ Feedback ID: 3e2b865e-e95c-41bb-9750-d9d883329a36

What Should Happen?

Once task is done, it should be in Harmonizing state or whatever.

Error Messages/Logs

Steps to Reproduce

Launch a parallel agents to run tasks in parallel and the status always seems to be incorrect. Contradicting messaging and status is causing confusion.

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

 2.1.17 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_