add supabase authentication

src/app/admin/campaigns/[id]/propositions/page.tsx

@@ -12,11 +12,12 @@ import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/com
 import { Badge } from '@/components/ui/badge';
 import { Avatar, AvatarFallback } from '@/components/ui/avatar';
 import Navigation from '@/components/Navigation';
+import AuthGuard from '@/components/AuthGuard';
 import { FileText, User, Calendar, Mail } from 'lucide-react';
 
 export const dynamic = 'force-dynamic';
 
-export default function CampaignPropositionsPage() {
+function CampaignPropositionsPageContent() {
   const params = useParams();
   const campaignId = params.id as string;
   const [campaign, setCampaign] = useState<Campaign | null>(null);
@@ -295,3 +296,11 @@ export default function CampaignPropositionsPage() {
     </div>
   );
 }
+
+export default function CampaignPropositionsPage() {
+  return (
+    <AuthGuard>
+      <CampaignPropositionsPageContent />
+    </AuthGuard>
+  );
+}