feat: support binding context var (#1227)

Co-authored-by: Joel <iamjoel007@gmail.com>

api/controllers/console/app/app.py

@@ -34,6 +34,7 @@ model_config_fields = {
     'sensitive_word_avoidance': fields.Raw(attribute='sensitive_word_avoidance_dict'),
     'model': fields.Raw(attribute='model_dict'),
     'user_input_form': fields.Raw(attribute='user_input_form_list'),
+    'dataset_query_variable': fields.String,
     'pre_prompt': fields.String,
     'agent_mode': fields.Raw(attribute='agent_mode_dict'),
 }
@@ -162,7 +163,8 @@ class AppListApi(Resource):
             model_configuration = AppModelConfigService.validate_configuration(
                 tenant_id=current_user.current_tenant_id,
                 account=current_user,
-                config=model_config_dict
+                config=model_config_dict,
+                mode=args['mode']
             )
 
             app = App(

api/controllers/console/app/model_config.py

@@ -31,7 +31,8 @@ class ModelConfigResource(Resource):
         model_configuration = AppModelConfigService.validate_configuration(
             tenant_id=current_user.current_tenant_id,
             account=current_user,
-            config=request.json
+            config=request.json,
+            mode=app_model.mode
         )
 
         new_app_model_config = AppModelConfig(