add MoviePilot AI agent implementation and workflow manager

app/workflow/actions/note.py

@@ -0,0 +1,30 @@
+from app.workflow.actions import BaseAction
+from app.schemas import ActionContext
+
+
+class NoteAction(BaseAction):
+    """
+    备注
+    """
+
+    @classmethod
+    @property
+    def name(cls) -> str: # noqa
+        return "备注"
+
+    @classmethod
+    @property
+    def description(cls) -> str: # noqa
+        return "给工作流添加备注"
+
+    @classmethod
+    @property
+    def data(cls) -> dict: # noqa
+        return {}
+
+    @property
+    def success(self) -> bool:
+        return True
+
+    def execute(self, workflow_id: int, params: dict, context: ActionContext) -> ActionContext:
+        return context