[BUG] The Claude Code CLI updated more than 15 times within two hours and kept downloading updates nonstop.

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?

cli version:
$ claude -v
2.1.211 (Claude Code)

The Claude Code CLI updated more than 15 times within two hours and kept downloading updates nonstop.
I had to turn off automatic updates.
The figure below shows the CLI update records from the past two hours (proxy logs).

<img width="1184" height="888" alt="Image" src="https://github.com/user-attachments/assets/f74a35e2-897c-49eb-b3ed-c66a48b5cc06" />

What Should Happen?

just update once

Error Messages/Logs

Steps to Reproduce

just open claude code cli

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.211

Claude Code Version

2.1.211

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_