authentication authorization

apps/website/app/sponsor/dashboard/page.tsx

@@ -1,6 +1,7 @@
 'use client';
 
-import { useState, useEffect } from 'react';
+import { useEffect, useState } from 'react';
+import { useQuery } from '@tanstack/react-query';
 import { motion, useReducedMotion, AnimatePresence } from 'framer-motion';
 import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
@@ -44,13 +45,42 @@ import { SponsorDashboardViewModel } from '@/lib/view-models/SponsorDashboardVie
 
 export default function SponsorDashboardPage() {
   const shouldReduceMotion = useReducedMotion();
-  const { sponsorService } = useServices();
+  const { sponsorService, policyService } = useServices();
   const [timeRange, setTimeRange] = useState<'7d' | '30d' | '90d' | 'all'>('30d');
   const [loading, setLoading] = useState(true);
   const [data, setData] = useState<SponsorDashboardViewModel | null>(null);
   const [error, setError] = useState<string | null>(null);
 
+  const {
+    data: policySnapshot,
+    isLoading: policyLoading,
+    isError: policyError,
+  } = useQuery({
+    queryKey: ['policySnapshot'],
+    queryFn: () => policyService.getSnapshot(),
+    staleTime: 60_000,
+    gcTime: 5 * 60_000,
+  });
+
+  const sponsorPortalState = policySnapshot
+    ? policyService.getCapabilityState(policySnapshot, 'sponsors.portal')
+    : null;
+
   useEffect(() => {
+    if (policyLoading) {
+      return;
+    }
+
+    if (policyError || sponsorPortalState !== 'enabled') {
+      setError(
+        sponsorPortalState === 'coming_soon'
+          ? 'Sponsor portal is coming soon.'
+          : 'Sponsor portal is currently unavailable.',
+      );
+      setLoading(false);
+      return;
+    }
+
     const loadDashboard = async () => {
       try {
         const dashboardData = await sponsorService.getSponsorDashboard('demo-sponsor-1');
@@ -67,8 +97,8 @@ export default function SponsorDashboardPage() {
       }
     };
 
-    loadDashboard();
-  }, []);
+    void loadDashboard();
+  }, [policyLoading, policyError, sponsorPortalState, sponsorService]);
 
   if (loading) {
     return (