feat: add props type

src/app/providers/QueryProvider.svelte

@@ -1,15 +1,20 @@
+<!--
+    Component: QueryProvider
+    Provides a QueryClientProvider for child components.
+
+    All components that use useQueryClient() or createQuery() must be
+    descendants of this provider.
+-->
 <script lang="ts">
-/**
- * Query Provider Component
- *
- * All components that use useQueryClient() or createQuery() must be
- * descendants of this provider.
- */
 import { queryClient } from '$shared/api/queryClient';
 import { QueryClientProvider } from '@tanstack/svelte-query';
+import type { Snippet } from 'svelte';
 
-/** Slot content for child components */
-let { children } = $props();
+interface Props {
+    children?: Snippet;
+}
+
+let { children }: Props = $props();
 </script>
 
 <QueryClientProvider client={queryClient}>