Clean up admin hub UX: tabs, chrome, and redundant headers.

Wire orphan routes into hub tabs, group Radio into primary/tools rows, show theme/language once on desktop, and remove duplicate page titles under AdminHubChrome.

Co-authored-by: Cursor <[email protected]>

src/app/admin/translations/emulator/page.tsx

@@ -1,4 +1,4 @@
-import { ExternalLink, Server } from "lucide-react";
+import { ExternalLink } from "lucide-react";
 import Link from "next/link";
 import { getTranslations } from "next-intl/server";
 import { EmulatorSettingsForm } from "@/components/admin/emulator-settings-form";
@@ -74,14 +74,7 @@ export default async function EmulatorTranslationsPage({
 
 	return (
 		<div className="space-y-4">
-			<div className="flex items-start justify-between flex-wrap gap-2">
-				<div>
-					<h1 className="text-2xl font-bold flex items-center gap-2">
-						<Server className="w-6 h-6" />
-						{t("title")}
-					</h1>
-					<p className="text-sm text-muted-foreground">{t("subtitle")}</p>
-				</div>
+			<div className="flex justify-end">
 				<Button asChild variant="outline" size="sm">
 					<Link href="/admin/emulator">
 						<ExternalLink className="w-4 h-4 mr-1" />