Add RequireAccess component for realm/role gating

cgen-7acaacfaa72b49948eb8871637992878

client/components/RequireAccess.tsx

@@ -0,0 +1,21 @@
+import { Navigate, useLocation } from "react-router-dom";
+import { useAuth } from "@/contexts/AuthContext";
+
+interface RequireAccessProps {
+  allowedRealms?: Array<"game_developer" | "client" | "community_member" | "customer" | "staff">;
+  allowedRoles?: string[];
+  children: React.ReactElement;
+}
+
+export default function RequireAccess({ allowedRealms, allowedRoles, children }: RequireAccessProps) {
+  const { user, profile, roles } = useAuth();
+  const location = useLocation();
+
+  const realmOk = !allowedRealms || allowedRealms.includes((profile as any)?.user_type);
+  const rolesOk = !allowedRoles || (Array.isArray(roles) && roles.some(r => allowedRoles.includes(r.toLowerCase())));
+
+  if (!user) return <Navigate to={`/onboarding?next=${encodeURIComponent(location.pathname + location.search)}`} replace />;
+  if (!realmOk || !rolesOk) return <Navigate to="/realms" replace />;
+
+  return children;
+}