Your code seems intact, and I’ve created a copy of your project as a backup.
Suggestion: Use the URL in your post to re-import your project. From the MakeCode Arcade home page, select Import.
Then, select Import URL.
You should get a new copy of your project with your existing code.
If not, then drag-and-drop the image below into your editor.
P.S. Before you ever let anyone – human or computer – edit your code, make a backup of your project.