[BUG] Claude Code for Vscode can't be opened in Antigravity IDE.

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?

<img width="1166" height="284" alt="Image" src="https://github.com/user-attachments/assets/3dae4d56-ab49-4252-a8e5-58d901252b26" />

<img width="683" height="212" alt="Image" src="https://github.com/user-attachments/assets/c6af8531-9026-4480-b3b2-b279186ee988" />

Secondary Sidebar not supported in this version of VSCode. Please update your VSCode to use. Opening in Activity Bar instead

What Should Happen?

I propose adding an option to allow this plugin to open on the primary sidebar.

Error Messages/Logs

Steps to Reproduce

Antigravity Version: 1.13.3
VSCode OSS Version: 1.104.0 (user setup)
Commit: 94f91bc110994badc7c086033db813077a5226af
Date: 2025-12-19T21:03:14.401Z (6 days ago)
Electron: 37.3.1
Chromium: 138.0.7204.235
Node.js: 22.18.0
V8: 13.8.258.31-electron.0
OS: Windows_NT x64 10.0.26200
Language Server CL: 846830895

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.76 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_