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/errors.py

@@ -1,3 +1,6 @@
+from core.tools.entities.tool_entities import ToolInvokeMeta
+
+
 class ToolProviderNotFoundError(ValueError):
     pass
 
@@ -17,4 +20,7 @@ class ToolInvokeError(ValueError):
     pass
 
 class ToolApiSchemaError(ValueError):
-    pass
+    pass
+
+class ToolEngineInvokeError(Exception):
+    meta: ToolInvokeMeta