Haiku

Preflight Checklist

• [x] I have searched existing issues for similar behavior reports
• [x] This report does NOT contain sensitive information (API keys, passwords, etc.)

Type of Behavior Issue

Claude modified files I didn't ask it to modify

What You Asked Claude to Do

I asked to update the version of package.json file.

What Claude Actually Did

<img width="1422" height="305" alt="Image" src="https://github.com/user-attachments/assets/62429573-735e-4ffe-a138-827e12bd3c82" />

Expected Behavior

I have added the permissions setting to deny the edit of package.json file

Files Affected

Permission Mode

Accept Edits was OFF (manual approval required)

Can You Reproduce This?

No, only happened once

Steps to Reproduce

_No response_

Claude Model

Haiku

Relevant Conversation

Impact

Low - Minor inconvenience

Claude Code Version

2.1.153.

Platform

Anthropic API

Additional Context

<img width="1423" height="312" alt="Image" src="https://github.com/user-attachments/assets/6e28d5b7-da60-4e5b-8967-b9332c30a6b2" />