fix(frontend): Add Svelte 5 to dependencies

src/frontend/svelte.config.js

@@ -1,17 +1,5 @@
-import { vitePreprocess } from "@sveltejs/vite-plugin-svelte";
-import adapter from "@sveltejs/adapter-static";
+import adapter from '@sveltejs/adapter-static';
 
-/** @type {import('@sveltejs/kit').Config} */
-export default {
-  kit: {
-    // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
-    // If your environment is not supported or you settled on a specific environment, switch out the adapter.
-    // See https://kit.svelte.dev/docs/adapters for more information about adapters.
-    adapter: adapter({ strict: false }),
-  },
+const config = { kit: { adapter: adapter() } };
 
-  preprocess: [vitePreprocess({})],
-  vitePlugin: {
-    inspector: true,
-  },
-};
+export default config;