新增多个模块和功能，包括用户评论、帖子、WebSocket通信优化及日志配置，更新文档和部署脚本，提升项目整体性能和可维护性。

backend/user/server/src/main/resources/mapper/UserMapper.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.emotionmuseum.user.mapper.UserMapper">
+
+    <!-- 更新最后活跃时间 -->
+    <update id="updateLastActiveTime"> UPDATE user SET last_active_time = NOW(), update_time = NOW()
+        WHERE id = #{userId} AND is_deleted = 0 </update>
+
+</mapper>