Fix basedpyright type errors (#25435)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/app/apps/completion/app_generator.py

@@ -271,6 +271,8 @@ class CompletionAppGenerator(MessageBasedAppGenerator):
             raise MoreLikeThisDisabledError()
 
         app_model_config = message.app_model_config
+        if not app_model_config:
+            raise ValueError("Message app_model_config is None")
         override_model_config_dict = app_model_config.to_dict()
         model_dict = override_model_config_dict["model"]
         completion_params = model_dict.get("completion_params")

api/core/app/apps/completion/generate_response_converter.py

@@ -45,7 +45,10 @@ class CompletionAppGenerateResponseConverter(AppGenerateResponseConverter):
         response = cls.convert_blocking_full_response(blocking_response)
 
         metadata = response.get("metadata", {})
-        response["metadata"] = cls._get_simple_metadata(metadata)
+        if isinstance(metadata, dict):
+            response["metadata"] = cls._get_simple_metadata(metadata)
+        else:
+            response["metadata"] = {}
 
         return response
 
@@ -76,7 +79,7 @@ class CompletionAppGenerateResponseConverter(AppGenerateResponseConverter):
                 data = cls._error_to_stream_response(sub_stream_response.err)
                 response_chunk.update(data)
             else:
-                response_chunk.update(sub_stream_response.to_dict())
+                response_chunk.update(sub_stream_response.model_dump(mode="json"))
             yield response_chunk
 
     @classmethod
@@ -103,14 +106,16 @@ class CompletionAppGenerateResponseConverter(AppGenerateResponseConverter):
             }
 
             if isinstance(sub_stream_response, MessageEndStreamResponse):
-                sub_stream_response_dict = sub_stream_response.to_dict()
+                sub_stream_response_dict = sub_stream_response.model_dump(mode="json")
                 metadata = sub_stream_response_dict.get("metadata", {})
+                if not isinstance(metadata, dict):
+                    metadata = {}
                 sub_stream_response_dict["metadata"] = cls._get_simple_metadata(metadata)
                 response_chunk.update(sub_stream_response_dict)
             if isinstance(sub_stream_response, ErrorStreamResponse):
                 data = cls._error_to_stream_response(sub_stream_response.err)
                 response_chunk.update(data)
             else:
-                response_chunk.update(sub_stream_response.to_dict())
+                response_chunk.update(sub_stream_response.model_dump(mode="json"))
 
             yield response_chunk