chore: format code and remove redundant blank lines

This commit applies automated code formatting across the project. The changes primarily involve removing unnecessary blank lines and ensuring consistent code style, improving readability and maintainability without altering functionality.

src/chat/emoji_system/emoji_manager.py

@@ -724,7 +724,7 @@ class EmojiManager:
             if not emoji.is_deleted and emoji.hash == emoji_hash:
                 return emoji
         return None  # 如果循环结束还没找到，则返回 None
-    
+
     async def get_emoji_tag_by_hash(self, emoji_hash: str) -> Optional[str]:
         """根据哈希值获取已注册表情包的描述
 
@@ -755,7 +755,7 @@ class EmojiManager:
         except Exception as e:
             logger.error(f"获取表情包描述失败 (Hash: {emoji_hash}): {str(e)}")
             return None
-        
+
     async def get_emoji_description_by_hash(self, emoji_hash: str) -> Optional[str]:
         """根据哈希值获取已注册表情包的描述