update ui and other frontend updates

frontend/src/hooks.server.ts

@@ -0,0 +1,16 @@
+import type { Handle } from '@sveltejs/kit';
+
+const COOKIE_NAME = 'session';
+
+export const handle: Handle = async ({ event, resolve }) => {
+  const raw = event.cookies.get(COOKIE_NAME);
+	if (raw) {
+		try {
+			event.locals.session = JSON.parse(raw);
+		} catch {
+			event.cookies.delete(COOKIE_NAME, { path: '/' });
+		}
+	}
+
+	return resolve(event);
+};