[BUG] Write tool - Invalid Tool Parameters

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: Claude Code 4 (1.0.1)
• Operating System: Mac
• Terminal: zsh

Bug Description

cli is unable to use the Write tool. Keeps getting an Invalid Tools Parameter error.

Steps to Reproduce

I suppose just try to use it to fix some code.

Expected Behavior

That it worked like it did before the 1.0 update (3 hours ago)

Actual Behavior

Never finishes, keeps looping on error