Codex VS Code extension fails to recognize the file I’ve opened or the code I’ve selected

What version of the VS Code extension are you using?

0.4.68

What subscription do you have?

pro

Which IDE are you using?

vacode

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

在最新的codex版本中，我发现打开项目后，选中代码块后，codex无法识别我选中的代码块，甚至无法识别我打开的文件；

<img width="2902" height="1444" alt="Image" src="https://github.com/user-attachments/assets/0d61a07e-4926-4ea0-843d-de39700672a9" />

What steps can reproduce the bug?

vscode打开任意可编辑文件后，向他提问

What is the expected behavior?

_No response_

Additional information

_No response_