feat: 完成情绪博物馆项目重构和功能增强 - 新增日记评论和帖子功能 - 重构前端架构，优化用户体验 - 完善WebSocket通信机制 - 更新项目文档和部署配置

backend-single/src/main/java/com/emotion/mapper/DiaryCommentMapper.java

@@ -0,0 +1,15 @@
+package com.emotion.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.emotion.entity.DiaryComment;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 日记评论Mapper接口
+ *
+ * @author emotion-museum
+ * @date 2025-07-23
+ */
+@Mapper
+public interface DiaryCommentMapper extends BaseMapper<DiaryComment> {
+} 

backend-single/src/main/java/com/emotion/mapper/DiaryPostMapper.java

@@ -0,0 +1,15 @@
+package com.emotion.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.emotion.entity.DiaryPost;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 用户日记Mapper接口
+ *
+ * @author emotion-museum
+ * @date 2025-07-23
+ */
+@Mapper
+public interface DiaryPostMapper extends BaseMapper<DiaryPost> {
+}