refactor,feat: 批量代码重构与新增业务模块

1. 重命名枚举项与实体字段，修正类型引用
2. 新增IsNull扩展方法与多项字符串处理扩展
3. 新增大量业务DTO、服务接口与枚举定义
4. 重构RabbitMQ服务实现，替换旧版消息队列组件
5. 优化签到服务的宠物喂养事务逻辑
6. 移除冗余的项目引用与旧版消息队列代码
7. 新增Excel导出、导入模板相关工具方法

QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskAddInput.cs

@@ -0,0 +1,62 @@
+using QYZH.InteractiveMagazine.Models.Enum;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QYZH.InteractiveMagazine.Models.Dto.Journal
+{
+    public class JournalPageTaskAddInput
+    {
+        /// <summary>
+        /// 书Id
+        /// </summary>
+        public long JournalId { get; set; }
+
+        /// <summary>
+        /// 书页id
+        /// </summary>
+        public long JournalPageId { get; set; }
+
+        /// <summary>
+        /// 题号
+        /// </summary>
+        public string No { get; set; }
+
+        /// <summary>
+        /// 题型
+        /// </summary>
+        public TaskBankTypeEnum Type { get; set; }
+
+        /// <summary>
+        /// 学科Id
+        /// </summary>
+        public long SubjectId { get; set; }
+
+        /// <summary>
+        /// 分数
+        /// </summary>
+        public float Score { get; set; }
+
+        /// <summary>
+        /// 回答时间(秒)
+        /// </summary>
+        public int AnswerTime { get; set; }
+
+        /// <summary>
+        /// 关联的知识点ids
+        /// </summary>
+        public string KnowledgePointIds { get; set; }
+
+        /// <summary>
+        /// 关键解析
+        /// </summary>
+        public string KeywordAnalysis { get; set; }
+
+        /// <summary>
+        /// 问题内容
+        /// </summary>
+        public string Task { get; set; }
+    }
+}