fix: don't load app config and user on every route change

frontend/src/hooks.client.ts

@@ -0,0 +1,19 @@
+import type { HandleClientError } from '@sveltejs/kit';
+import { AxiosError } from 'axios';
+
+export const handleError: HandleClientError = async ({ error, message, status }) => {
+	if (error instanceof AxiosError) {
+		message = error.response?.data.error || message;
+		status = error.response?.status || status;
+		console.error(
+			`Axios error: ${error.request.path} - ${error.response?.data.error ?? error.message}`
+		);
+	} else {
+		console.error(error);
+	}
+
+	return {
+		message,
+		status
+	};
+};