I can't believe I'm mentioning svelte kit file structure twice in like a week. I made an example to show in another comment but when I tried to copy and paste here it escaped Ann the characters, so here is a link

https://lemmy.zip/comment/21657580

Edit: I got it. The / at the end are not part of the name, they are just to show that they are folders

routes/
+page.ts
(admin)/
  +page.ts
  [user=uuid]/
    [[community]]/
      +page.ts
    posts/
      [...postIds@]/
        +page.ts