feat(core): More AWEL operators and new prompt manager API (#972)

Co-authored-by: csunny <cfqsunny@163.com>

dbgpt/core/interface/serialization.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
+
 from abc import ABC, abstractmethod
-from typing import Type, Dict
+from typing import Dict, Type
 
 
 class Serializable(ABC):