[BUG] ArrayBuffers spiked to 13.2 GB on startup

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?

When I start a claude code session in my project, I run into a memory spike issue running over 12 GB which causes my machine to crash.
Below is the diagnostic.json file generated by /heapdump

c7728978-9e6a-4e37-bd1b-e9477efcb359-diagnostics.json

What Should Happen?

Memory spike over 12 GB shouldn't happen

Error Messages/Logs

Steps to Reproduce

No idea how to reproduce the bug

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.73 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_