[BUG] Degradation of quality and accuracy

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?

github_issue_quality_regression.md

What Should Happen?

I need a response that address this large concern

Error Messages/Logs

Steps to Reproduce

Please see the attached file

github_issue_quality_regression.md

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Code v2.1.87

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_