Phase 3 - credts, usage, plans app pages #Migrations

backend/igny8_core/api/account_views.py

@@ -132,6 +132,16 @@ class TeamManagementViewSet(viewsets.ViewSet):
                 status=status.HTTP_400_BAD_REQUEST
             )
         
+        # Check hard limit for users BEFORE creating
+        from igny8_core.business.billing.services.limit_service import LimitService, HardLimitExceededError
+        try:
+            LimitService.check_hard_limit(account, 'users', additional_count=1)
+        except HardLimitExceededError as e:
+            return Response(
+                {'error': str(e)},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+        
         # Create user (simplified - in production, send invitation email)
         user = User.objects.create_user(
             email=email,