fix actions

app/actions/__init__.py

@@ -2,9 +2,14 @@ from abc import ABC, abstractmethod
 
 from pydantic.main import BaseModel
 
+from app.chain import ChainBase
 from app.schemas import ActionContext, ActionParams
 
 
+class ActionChain(ChainBase):
+    pass
+
+
 class BaseAction(BaseModel, ABC):
     """
     工作流动作基类
@@ -13,6 +18,10 @@ class BaseAction(BaseModel, ABC):
     # 完成标志
     _done_flag = False
 
+    def __init__(self):
+        super().__init__()
+        self.chain = ActionChain()
+
     @property
     @abstractmethod
     def name(self) -> str: