[BUG] `claude update` doesn't work

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.6
• Operating System: macos 15.5
• Terminal: Warp

Bug Description

Running claude update does nothing:
!Image

Steps to Reproduce

1. Run claude update
2. Restart terminal/etc -> doesn't help.

Expected Behavior

Expect to see new version of claude

Actual Behavior

Nothing happens

Additional Context

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