How to implement the --add-dir feature in the Codex Vscode plugin?

Question

### What version of the VS Code extension are you using?

0.4.58

### What subscription do you have?

Plus

### Which IDE are you using?

Cursor

### What platform is your computer?

Macos

### What issue are you seeing?

In Cursor, when opening a multi-project workspace, it appears that only the first project is recognized as the working directory.

So, how can we implement functionality similar to --add-dir in the plugin?

### What steps can reproduce the bug?

no

### What is the expected beh