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/shop/page.tsx

@@ -64,15 +64,11 @@ export default async function AdminShop() {
 
 	return (
 		<main>
-			<div style={{ display: "flex", alignItems: "center", gap: "1rem" }}>
-				<h1 style={{ flex: 1 }}>{t("title")}</h1>
+			<div style={{ display: "flex", alignItems: "center", justifyContent: "flex-end", gap: "1rem" }}>
 				<Link href="/admin/shop/new" className="btn btn-primary">
 					{t("newPackage")}
 				</Link>
 			</div>
-			<p className="muted" style={{ marginTop: "-0.4rem" }}>
-				{t("subtitle")} (<code>website_shop_articles</code>). {t("tableHint")}
-			</p>
 
 			<div className="grid grid-cols-[repeat(auto-fit,minmax(180px,1fr))] gap-3.5 mb-6">
 				<StatusCard label={t("packages")} value={packages.length} icon="🛍️" />