feat: jev 接入，判断创建、修改、问答、不明确四类意图

app/processor/base.py

@@ -1,4 +1,5 @@
 import logging
+import inspect
 import time
 from abc import ABC, abstractmethod
 from typing import TYPE_CHECKING, TypeVar
@@ -30,6 +31,8 @@ class BaseNode(ABC):
 
     def __call__(self, state: T) -> T:
         """执行节点，统一记录日志、耗时并保留业务异常类型"""
+        if inspect.iscoroutinefunction(self.process):
+            return self._acall(state)
         start_time = time.perf_counter()
         self.logger.info("--- %s 开始 ---", self.name)
         try:
@@ -52,6 +55,24 @@ class BaseNode(ABC):
     def process(self, state: T) -> T:
         """子类实现节点核心逻辑，返回状态更新"""
 
+    async def _acall(self, state: T) -> T:
+        """异步节点等待执行完成后再记录结果和耗时"""
+        start_time = time.perf_counter()
+        self.logger.info("--- %s 开始 ---", self.name)
+        try:
+            result = await self.process(state)
+        except (AppError, ValidationError):
+            self.logger.exception("%s 执行失败", self.name)
+            raise
+        except Exception as error:
+            self.logger.exception("%s 执行失败", self.name)
+            raise ImportProcessError(str(error), node_name=self.name) from error
+        else:
+            self.logger.info("--- %s 完成 ---", self.name)
+            return result
+        finally:
+            self.logger.info("%s 耗时 %.3f 秒", self.name, time.perf_counter() - start_time)
+
     def log_step(self, step_name: str, message: str = ""):
         """记录步骤日志。"""
         log_msg = f"[{step_name}]"