fix: replace {__} workaround with clean range() helper in Svelte templates

frontend/src/lib/components/admin/ServicesManagement.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { toast } from 'svelte-sonner';
 	import { apiFetch } from '$lib/utils/api';
+	import { range } from '$lib/utils/format';
 
 	// shadcn-svelte components
 	import { Button } from '$lib/components/ui/button';
@@ -462,8 +463,7 @@
 
 		<div class="space-y-4 md:hidden">
 			{#if servicesLoading}
-				{#each Array(3) as __, i (i)}
-					{__}
+				{#each range(3) as i (i)}
 					<div class="rounded-lg border p-4">
 						<div class="space-y-3">
 							<Skeleton class="h-5 w-32" />