Add ban reason to profiles

src/components/auth/AuthModal.tsx

@@ -82,6 +82,31 @@ export function AuthModal({ open, onOpenChange, defaultTab = 'signin' }: AuthMod
       const { data, error } = await supabase.auth.signInWithPassword(signInOptions);
       if (error) throw error;
 
+      // CRITICAL: Check ban status immediately after successful authentication
+      const { data: profile } = await supabase
+        .from('profiles')
+        .select('banned, ban_reason')
+        .eq('user_id', data.user.id)
+        .single();
+      
+      if (profile?.banned) {
+        // Sign out immediately
+        await supabase.auth.signOut();
+        
+        const reason = profile.ban_reason 
+          ? `Reason: ${profile.ban_reason}`
+          : 'Contact support for assistance.';
+        
+        toast({
+          variant: "destructive",
+          title: "Account Suspended",
+          description: `Your account has been suspended. ${reason}`,
+          duration: 10000
+        });
+        setLoading(false);
+        return; // Stop authentication flow
+      }
+
       // Check if MFA is required (user exists but no session)
       if (data.user && !data.session) {
         const totpFactor = data.user.factors?.find(f => f.factor_type === 'totp' && f.status === 'verified');