Finalize CRM transformation, mobile responsiveness, and Qdrant integration

src/components/AuthGuard.jsx

@@ -0,0 +1,11 @@
+import { Navigate, Outlet } from 'react-router-dom';
+
+export default function AuthGuard({ children }) {
+  const token = localStorage.getItem('auth_token');
+  
+  if (!token) {
+    return <Navigate to="/login" replace />;
+  }
+
+  return children || <Outlet />;
+}