[BUG] 500 ERROR while using Extra Usage

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?

Claude Code wasted all limits, then I turned on extra usage, it started to do the task but just stopped on the half way without any responses.
Then it just failed with 500 error.
It spend extra money without any results!

What Should Happen?

Task should be finished

Error Messages/Logs

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZbmmiV8PVBT2wLmtuD7p"}   
API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZbn286b6cmxPASfv6MEF"}

Steps to Reproduce

1. Turn on extra usage,
2. Run claude code and give any task.
3. It does half a job for any task.
4. Than it just show 500 error

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.87

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

_No response_