init new frontend

frontend/src/hooks.client.ts

@@ -0,0 +1,19 @@
+/**
+ * Client startup hook. Runs once before the first route renders:
+ *  - wires the API client's session-expired behaviour (clear store + redirect),
+ *  - loads translations for the resolved locale.
+ */
+import { setSessionExpiredHandler } from '$lib/api/client';
+import { initI18n } from '$lib/i18n/index.svelte';
+import { session } from '$lib/stores/session.svelte';
+
+export async function init(): Promise<void> {
+	setSessionExpiredHandler(() => {
+		session.reset();
+		if (typeof window !== 'undefined') {
+			window.location.href = '/login?source=session_expired';
+		}
+	});
+
+	await initI18n();
+}