style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/components/data-list/delete-button.tsx

@@ -62,11 +62,10 @@ export function DeleteButton({
           <AlertDialogDescription>{description}</AlertDialogDescription>
         </AlertDialogHeader>
         <AlertDialogFooter>
-          <AlertDialogCancel>{cancelLabel ?? t("common.cancel")}</AlertDialogCancel>
-          <AlertDialogAction
-            variant="destructive"
-            onClick={onConfirm}
-          >
+          <AlertDialogCancel>
+            {cancelLabel ?? t("common.cancel")}
+          </AlertDialogCancel>
+          <AlertDialogAction variant="destructive" onClick={onConfirm}>
             {confirmLabel ?? t("common.delete")}
           </AlertDialogAction>
         </AlertDialogFooter>

src/components/data-list/selection.ts

@@ -12,7 +12,10 @@
  */
 
 /** Toggle a single id in/out of the selection set, returning a new Set. */
-export function toggleId(selected: ReadonlySet<string>, id: string): Set<string> {
+export function toggleId(
+  selected: ReadonlySet<string>,
+  id: string,
+): Set<string> {
   const next = new Set(selected);
   if (next.has(id)) next.delete(id);
   else next.add(id);