feat(comment): 新增AI伴侣评论功能并补充相关错误码

src/main/java/com/yolo/keyborad/mapper/KeyboardAiCompanionCommentMapper.java

@@ -0,0 +1,12 @@
+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardAiCompanionComment;
+
+/*
+* @author: ziin
+* @date: 2026/1/26 20:31
+*/
+    
+public interface KeyboardAiCompanionCommentMapper extends BaseMapper<KeyboardAiCompanionComment> {
+}