[BUG] command 'claude-vscode.editor.openLast' not found error when clicking status bar button

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?

After switching to a new Anthropic account (Claude Team plan), the status bar button at the bottom of VS Code throws the following error:
command 'claude-vscode.editor.openLast' not found
The same error occurs with claude-vscode.sidebar.open when using the Command Palette.

Steps to reproduce:

1. Switch to a new Anthropic account
2. Click the "Claude" button in the VS Code status bar

Expected behavior:
Claude Code panel opens normally.
Actual behavior:
Error toast appears: command 'claude-vscode.editor.openLast' not found

Additional info:

• Claude Code works fine in the terminal (claude CLI)
• The extension is properly installed and authenticated
• Reinstalling the extension did not fix the issue
• VS Code extension version: 2.1.53
• OS: Windows

What Should Happen?

The Claude Code panel should open normally when clicking the status bar button.

Error Messages/Logs

command 'claude-vscode.editor.openLast' not found
command 'claude-vscode.sidebar.open' not found

Steps to Reproduce

1. Switch to a new Anthropic account (Claude Team plan)
2. Reinstall the Claude Code VS Code extension
3. Click the "Claude" button in the VS Code status bar

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Code v2.1.55

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_