feat: add file upload and management features; enhance pagination and permissions handling

apps/web/app/[locale]/home/[account]/courses/[courseId]/delete-course-button.tsx

@@ -36,7 +36,12 @@ export function DeleteCourseButton({ courseId, accountSlug }: Props) {
   return (
     <AlertDialog>
       <AlertDialogTrigger asChild>
-        <Button variant="destructive" size="sm" disabled={isPending}>
+        <Button
+          variant="destructive"
+          size="sm"
+          disabled={isPending}
+          data-test="course-cancel-btn"
+        >
           <Trash2 className="mr-2 h-4 w-4" />
           Kurs absagen
         </Button>
@@ -50,8 +55,13 @@ export function DeleteCourseButton({ courseId, accountSlug }: Props) {
           </AlertDialogDescription>
         </AlertDialogHeader>
         <AlertDialogFooter>
-          <AlertDialogCancel>Abbrechen</AlertDialogCancel>
-          <AlertDialogAction onClick={() => execute({ courseId })}>
+          <AlertDialogCancel data-test="course-cancel-dismiss-btn">
+            Abbrechen
+          </AlertDialogCancel>
+          <AlertDialogAction
+            data-test="course-cancel-confirm-btn"
+            onClick={() => execute({ courseId })}
+          >
             Absagen
           </AlertDialogAction>
         </AlertDialogFooter>