[BUG] After modifying the mcpServer in the configuration and restarting the claude code, there are hundreds of configuration files, and the dead loop

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: <!-- output of claude --version -->
• Operating System: <!-- e.g. macOS 14.3, Windows 11, Ubuntu 22.04 -->
• Terminal: <!-- e.g. iTerm2, Terminal App -->

Bug Description

修改完配置里的 mcpServer 重启 claude code 后，配置文件多了上百个，死循环
After modifying the mcpServer in the configuration and restarting the claude code, there are hundreds of configuration files, and the dead loop
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<img width="846" height="841" alt="Image" src="https://github.com/user-attachments/assets/d70e9448-eff6-4d01-8551-90603dfb1f86" />

Steps to Reproduce

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2. <!-- Second step -->
3. <!-- And so on... -->

Expected Behavior

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Actual Behavior

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Additional Context

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