FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

api/core/tools/utils/configuration.py

@@ -1,4 +1,5 @@
 import os
+from copy import deepcopy
 from typing import Any, Union
 
 from pydantic import BaseModel
@@ -25,7 +26,7 @@ class ToolConfigurationManager(BaseModel):
         """
         deep copy credentials
         """
-        return {key: value for key, value in credentials.items()}
+        return deepcopy(credentials)
     
     def encrypt_tool_credentials(self, credentials: dict[str, str]) -> dict[str, str]:
         """