[BUG] syntax error near unexpected token '|' in all Bash operations

Environment

• Platform (select one):
• [X] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 0.2.70
• Operating System: MacOS 15.2
• Terminal: Terminal App

Bug Description

Lately, all Bash operations fail with this error:

⏺ Bash(any bash operation here, e.g. ls, cat, sed...)…
  ⎿  /var/folders/q1/7vbmgf455wldzb2svh1q5z440000gn/T/claude-shell-snapshot-9ff2: line 189: syntax error near
unexpected token |'
/var/folders/q1/7vbmgf455wldzb2svh1q5z440000gn/T/claude-shell-snapshot-9ff2: line 189: | sed 's/\\\[\\033/
| sed 's/\\\]//g''

Steps to Reproduce

Make any request to Claude that will cause it to use the Bash process.

Additional Context

This started happening a few days ago.