[BUG] ❯ cant /branch even after /compact

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?

❯ /branch
⎿ Failed to branch conversation: Conversation transcript is too large to branch
(77253918 bytes)

What Should Happen?

Should /branch after /compact

Error Messages/Logs

Steps to Reproduce

/branch after /compact on a long claude CLI session

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.1.112

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_