Claude Code Desktop - LocalCache grows uncontrollably on fresh install (Windows 10)

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?

Version: 1.7196.1.0
OS: Windows 10
App: Claude Cowork Desktop

Issue:
On a fresh install, the LocalCache folder grows extremely rapidly.
Cache grew from 3 GB to 13.2 GB within a few hours of normal use.
After manually clearing LocalCache it returned to 1.73 GB but
quickly grew back to 5.87 GB shortly after.

Location of cache:
%LOCALAPPDATA%\Packages\[Claude folder]\LocalCache

Related existing issues: #22083, #11646

Steps to reproduce:

1. Fresh install of Claude Cowork Desktop v1.7196.1.0
2. Open and use the app normally
3. Check Settings → Apps → Claude → Advanced Options
4. Cache grows rapidly within hours

Expected behavior:
Cache should remain at a reasonable size.

What Should Happen?

Expected behavior:
Cache should remain at a reasonable size. Claude should only be using no more than 4 GB

<img width="229" height="281" alt="Image" src="https://github.com/user-attachments/assets/038de59d-fdbf-4b73-a23a-0c2d57bcbccc" />

Error Messages/Logs

Steps to Reproduce

Steps to reproduce:

1. Fresh install of Claude Cowork Desktop v1.7196.1.0
2. Open and use the app normally
3. Check Settings → Apps → Claude → Advanced Options
4. Cache grows rapidly within hours

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

1.7196.1.0

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_