feat(admin): ACL repair, mod users, ticket clarity, ops online hub

Add Repair nav grants on permissions, /mod/users without email/IP, shared ticket queue banners, and shared online roster on CommandoCentrum.

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

src/components/admin/ticket-queue-banner.tsx

@@ -0,0 +1,29 @@
+import Link from "next/link";
+
+/** Shared clarity banner for dual ticket products (CMS desk vs help-center). */
+export function TicketQueueBanner({
+	hint,
+	otherHref,
+	otherLabel,
+}: {
+	hint: string;
+	otherHref: string;
+	otherLabel: string;
+}) {
+	return (
+		<div
+			className="rounded-lg border border-[var(--admin-info-border)] bg-[var(--admin-info-subtle)] px-4 py-3 text-sm"
+			role="status"
+		>
+			<p className="m-0">{hint}</p>
+			<p className="m-0 mt-1">
+				<Link
+					href={otherHref}
+					className="font-medium text-[var(--admin-accent)] underline-offset-2 hover:underline"
+				>
+					{otherLabel}
+				</Link>
+			</p>
+		</div>
+	);
+}