[BUG] Recently Opus feels like old sonnet, Sonnet is even worse

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?

Not following instruction and over doing, it's like moving 10 pieces at once when asked to move one

What Should Happen?

Should be targeted which was said for it to do

Error Messages/Logs

Steps to Reproduce

Ask to work on any significant rust project, not compiler issue, something that does UI

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.191 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Non-interactive/CI environment

Additional Information

_No response_