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/users/multi-accounts/page.tsx

@@ -28,16 +28,6 @@ export default async function MultiAccountsPage({
 
 	return (
 		<div className="space-y-6">
-			<div>
-				<h1 className="text-3xl font-bold tracking-tight">
-					Multi-account detector
-				</h1>
-				<p className="text-muted-foreground">
-					Clusters of users sharing a registration IP, current IP, or machine
-					ID. Detection is passive — no AI, just a GROUP BY with index support.
-				</p>
-			</div>
-
 			<form className="flex flex-wrap items-end gap-3" action="">
 				<label className="text-sm">
 					<span className="block text-muted-foreground">

src/app/admin/users/page.tsx

@@ -49,12 +49,9 @@ export default async function UsersPage({
 	return (
 		<div className="space-y-6">
 			<div className="flex items-center justify-between">
-				<div>
-					<h1 className="text-3xl font-bold tracking-tight">Users</h1>
-					<p className="text-muted-foreground">
-						{result.total.toLocaleString()} users total
-					</p>
-				</div>
+				<p className="text-muted-foreground">
+					{result.total.toLocaleString()} users total
+				</p>
 				{canEdit && <CreateUserDialog sessionRank={result.rank} />}
 			</div>