✨ Closes #234

frontend/src/lib/play/join.svelte

@@ -33,6 +33,7 @@
 
 	onMount(() => {
 		if (browser) {
+			prefetch_username();
 			hcaptcha = window.hcaptcha;
 			if (hcaptcha.render) {
 				hcaptchaWidgetID = hcaptcha.render('hcaptcha', {
@@ -54,6 +55,15 @@
 		}
 	});
 
+	const prefetch_username = async () => {
+		const res = await fetch('/api/v1/users/me');
+		if (res.status !== 200) {
+			return;
+		}
+		const json = await res.json();
+		username = json.username;
+	};
+
 	const set_game_pin = async () => {
 		let process_var;
 		try {