[BUG] Claude Desktop craches at any signle session

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?

claude-code-crash-report.md
claude-debug-excerpt.txt
"Claude Code subprocess killed mid-API-call on macOS, leaving truncated JSONL that causes 'Failed to load session'"

What Should Happen?

Claude should process and index .md files in a folder

Error Messages/Logs

Steps to Reproduce

1.Open any session
2.Ask claude to read context in an .md file of 100 lines
3.It crashes

<img width="1630" height="1067" alt="Image" src="https://github.com/user-attachments/assets/99227129-17e1-4e6c-a0de-45063e8bdd24" />

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Code v2.1.45

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_