fix bug when adding openai or openai-compatible stt model instance (#9006)

api/core/agent/output_parser/cot_output_parser.py

     ) -> Generator[Union[str, AgentScratchpadUnit.Action], None, None]:
         def parse_action(json_str):
             try:
-                action = json.loads(json_str)
+                action = json.loads(json_str, strict=False)
                 action_name = None
                 action_input = None
 

api/core/model_runtime/model_providers/openai/speech2text/speech2text.py

 
 from openai import OpenAI
 
+from core.model_runtime.entities.common_entities import I18nObject
+from core.model_runtime.entities.model_entities import AIModelEntity, FetchFrom, ModelType
 from core.model_runtime.errors.validate import CredentialsValidateFailedError
 from core.model_runtime.model_providers.__base.speech2text_model import Speech2TextModel
 from core.model_runtime.model_providers.openai._common import _CommonOpenAI
         response = client.audio.transcriptions.create(model=model, file=file)
 
         return response.text
+
+    def get_customizable_model_schema(self, model: str, credentials: dict) -> AIModelEntity | None:
+        """
+        used to define customizable model schema
+        """
+        entity = AIModelEntity(
+            model=model,
+            label=I18nObject(en_US=model),
+            fetch_from=FetchFrom.CUSTOMIZABLE_MODEL,
+            model_type=ModelType.SPEECH2TEXT,
+            model_properties={},
+            parameter_rules=[],
+        )
+
+        return entity

api/core/model_runtime/model_providers/openai_api_compatible/speech2text/speech2text.py

 
 import requests
 
+from core.model_runtime.entities.common_entities import I18nObject
+from core.model_runtime.entities.model_entities import AIModelEntity, FetchFrom, ModelType
 from core.model_runtime.errors.invoke import InvokeBadRequestError
 from core.model_runtime.errors.validate import CredentialsValidateFailedError
 from core.model_runtime.model_providers.__base.speech2text_model import Speech2TextModel
                 self._invoke(model, credentials, audio_file)
         except Exception as ex:
             raise CredentialsValidateFailedError(str(ex))
+
+    def get_customizable_model_schema(self, model: str, credentials: dict) -> AIModelEntity | None:
+        """
+        used to define customizable model schema
+        """
+        entity = AIModelEntity(
+            model=model,
+            label=I18nObject(en_US=model),
+            fetch_from=FetchFrom.CUSTOMIZABLE_MODEL,
+            model_type=ModelType.SPEECH2TEXT,
+            model_properties={},
+            parameter_rules=[],
+        )
+
+        return entity

api/core/tools/tool/workflow_tool.py

 
         result = []
 
-        outputs = data.get("outputs", {})
-        outputs, files = self._extract_files(outputs)
-        for file in files:
-            result.append(self.create_file_var_message(file))
+        outputs = data.get("outputs")
+        if outputs == None:
+            outputs = {}
+        else:
+            outputs, files = self._extract_files(outputs)
+            for file in files:
+                result.append(self.create_file_var_message(file))
 
         result.append(self.create_text_message(json.dumps(outputs, ensure_ascii=False)))
         result.append(self.create_json_message(outputs))