[BUG] command 'claude-vscode.editor.openLast' not found - Extension fails to activate on Windows (V is not iterable)

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Activating extension 'Anthropic.claude-code' failed: V is not iterable
Error: command 'claude-vscode.editor.openLast' not found
An error occurred while loading view: claudeVSCodePanel

What Should Happen?

-

Error Messages/Logs

ข้อผิดพลาดยังคงมีอยู่ในทุกเวอร์ชันที่ทดสอบ (2.1.49, 2.1.88)

Steps to Reproduce

Environment:

OS: Windows 11
VS Code: latest
Claude Code CLI: 2.1.88 (working fine in terminal)
Extension: anthropic.claude-code 2.1.88

Steps to reproduce:

Install Claude Code extension on Windows
Open VS Code
Click Claude Code icon in sidebar

What I tried:

Uninstall/reinstall extension
Downgrade to 2.1.49
Delete workspaceStorage, globalStorage, ~/.claude
Update CLI to latest version

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.88

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_