feat(i18n): wire header strings to translations across locales

src/components/room-quick-entry.tsx

@@ -1,6 +1,9 @@
 "use client";
 
+import { useTranslations } from "next-intl";
+
 export function RoomQuickEntry() {
+	const t = useTranslations("header");
 	return (
 		<form
 			action="/client"
@@ -19,8 +22,8 @@ export function RoomQuickEntry() {
 			<input
 				type="number"
 				name="roomId"
-				placeholder="Room ID"
-				aria-label="Room ID"
+				placeholder={t("roomId")}
+				aria-label={t("roomId")}
 				min={1}
 				className="w-20 rounded-lg border px-2 py-1 text-xs font-medium"
 				style={{
@@ -39,7 +42,7 @@ export function RoomQuickEntry() {
 					color: "var(--color-primary-readable, var(--color-primary))",
 				}}
 			>
-				Go
+				{t("go")}
 			</button>
 		</form>
 	);