Update message: add new type

pqai_agent/message.py

@@ -32,13 +32,14 @@ class MessageType(int, Enum):
     ACTIVE_TRIGGER = 101
     AGGREGATION_TRIGGER = 102
     HUMAN_INTERVENTION_END = 103
+    ENTER_HUMAN_INTERVENTION = 104
 
     def __init__(self, code):
         self.description = {
             -1: "未分类的消息",
             1: "文本",
             2: "语音",
-            3: "GIF",
+            3: "表情包",
             4: "个微图片",
             5: "企微图片",
             6: "小程序",