[BUG] Claude code is sending wrong checksum to arm devices

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 : latest
OS : Windows 11
Official hash of linux-arm64 2.1.246 : f98296e6e61c507589d1a973b262976b734700ec4e055cb64afdbf6d9a337db7
Hash of the file the client actually uploads : same
Hash the client puts in --cli-checksum : 68915f3c07ad0090466282d580df4f4a11b339cee26888ed25f9446bbbef5c91

hash is wrong on the uploaded file

What Should Happen?

Official hash of linux-arm64 2.1.246 : f98296e6e61c507589d1a973b262976b734700ec4e055cb64afdbf6d9a337db7
Hash of the file the client actually uploads : same
Hash the client puts in --cli-checksum : same

Error Messages/Logs

Steps to Reproduce

1. attempt ssh with arm via claude-code
2. ???
3. profit?

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.246

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

worked fine yester, not today