[BUG] memory update feature deletes the CLAUDE.md

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [x] Other: Cursor
• Claude CLI version: 1.0.35 (Claude Code)
• Operating System: Linux 5.15.0-140-generic #150-Ubuntu SMP Sat Apr 12 06:00:09 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
• Terminal: cursor

Bug Description

1. CLAUDE.md existed with actual contents.
2. I used # to update it, mentioned project goals.
3. it updated the CLAUDE.md, but in wrong way. wrote a whole new md, erasing existing contents. with [Remaining content from the original file remains unchanged] in end of the line.

Steps to Reproduce

Does not happen every time when # is used, so not sure it will reproduce, but mentioned on Bug Description

Expected Behavior

update the CLAUDE.md while preserving its contents

Actual Behavior

erased all existing contents, and wrote a small new one with the stuff I asked to memorize only, with [Remaining content from the original file remains unchanged] in end of the line.

Additional Context

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<img width="482" alt="Image" src="https://github.com/user-attachments/assets/11fffeed-24e4-4395-862f-51eb75cc4ac0" />