Add ban reason to profiles

src/pages/AuthCallback.tsx

@@ -51,6 +51,31 @@ export default function AuthCallback() {
 
         const user = session.user;
 
+        // CRITICAL: Check ban status immediately after getting session
+        const { data: banProfile } = await supabase
+          .from('profiles')
+          .select('banned, ban_reason')
+          .eq('user_id', user.id)
+          .single();
+        
+        if (banProfile?.banned) {
+          await supabase.auth.signOut();
+          
+          const reason = banProfile.ban_reason 
+            ? `Reason: ${banProfile.ban_reason}`
+            : 'Contact support for assistance.';
+          
+          toast({
+            variant: 'destructive',
+            title: 'Account Suspended',
+            description: `Your account has been suspended. ${reason}`,
+            duration: 10000
+          });
+          
+          navigate('/auth');
+          return; // Stop OAuth processing
+        }
+
         // Check if this is a new OAuth user (created within last minute)
         const createdAt = new Date(user.created_at);
         const now = new Date();