[BUG] Claude's "Bash" hangs under Zsh when `CLOBBER` is unset

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 0.2.36
• Operating System: macOS 15.3.1
• Terminal: iTerm2 3.5.11
• Shell: zsh 5.9

Bug Description

If I unsetopt CLOBBER, claude hangs when it or I run commands.

Steps to Reproduce

1. zsh
2. unsetopt CLOBBER
3. claude
4. Try running a command, e.g. "! ls"

Expected Behavior

The command runs

Actual Behavior

The command hangs, and must be interrupted.

Additional Context

Zsh's CLOBBER option)

!Image