fix: resolve streak notification issues

- Initialize global streak_updates variable to prevent NameError
- Fix streak notifications only showing for first match
- Ensure notifications appear once per batch instead of being lost

discord_bot.py

@@ -44,6 +44,9 @@ async def send_message(channel):
     logger.error(f"Error in send_message task: {e}")
     return
     
+  # 用于标记是否是第一场比赛
+  first_match = True
+  
   for match_ in matches:
     data = await dota.serialize_match_for_discord(match_)
     logger.info(f"sending match {match_['match_id']}, {data}")
@@ -58,13 +61,12 @@ async def send_message(channel):
           if 'value' in field and field['value']:
             friends_info = f"**{field['value']}** 的比赛：\n\n"
       
-      # 将朋友信息和连胜连败消息放在内容开头
+      # 将朋友信息放在内容开头，连胜连败消息只在第一场比赛时添加
       content = data['content']
-      if streak_notifications:
+      if first_match and streak_notifications:
         streak_msg = '\n'.join(streak_notifications) + '\n\n'
         content = friends_info + streak_msg + content
-        # 发送后清空通知列表，避免重复发送
+        first_match = False  # 标记已经处理过第一场比赛
-        streak_notifications = []
       else:
         content = friends_info + content
       

dota.py

@@ -14,6 +14,9 @@ player_client = opendota.PlayersApi()
 match_client = opendota.MatchesApi()
 image_generator = ImageGenerator()
 
+# 初始化全局变量，用于存储连胜连败更新
+streak_updates = []
+
 
 class BaseModel(peewee.Model):
   class Meta: