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/moderation/team/page.tsx

@@ -58,11 +58,6 @@ export default async function ModTeamPage() {
 
 	return (
 		<div className="space-y-6">
-			<div>
-				<h1 className="text-3xl font-bold tracking-tight">Mod Team</h1>
-				<p className="text-muted-foreground">Staff performance and status</p>
-			</div>
-
 			{/* Summary */}
 			<div className="grid gap-4 grid-cols-3">
 				<Card>