add workflow lifecycle

app/startup/workflow_initializer.py

@@ -0,0 +1,17 @@
+from fastapi import FastAPI
+
+from app.core.workflow import WorkFlowManager
+
+
+def init_workflow(_: FastAPI):
+    """
+    初始化动作
+    """
+    WorkFlowManager()
+
+
+def stop_workflow(_: FastAPI):
+    """
+    停止动作
+    """
+    WorkFlowManager().stop()