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/JournalCatalogAddInput.cs

@@ -0,0 +1,112 @@
+using System;
+using System.Linq;
+using System.Text.Json.Serialization;
+
+namespace QYZH.InteractiveMagazine.Models.Dto.Journal
+{
+
+    public class JournalImportDto
+    {
+        /// <summary>
+        /// 书Id
+        /// </summary>
+        public long JournalId { get; set; }
+
+        /// <summary>
+        /// pdf地址
+        /// </summary>
+        public string PdfUrl { get; set; }
+
+        /// <summary>
+        /// 从多少页开始
+        /// </summary>
+        public int Index { get; set; }
+
+        public List<JournalCatalogAddInput> JournalCatalogs { get; set; }
+    }
+
+    /// <summary>
+    /// 目录导入
+    /// </summary>
+    public class JournalCatalogImportDto
+    {
+        /// <summary>
+        /// 一级目录
+        /// </summary>
+        public string ParentName { get; set; }
+
+        /// <summary>
+        /// 二级目录
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 页码
+        /// </summary>
+        public int PageNum { get; set; }
+
+        [JsonIgnore]
+        public long PagePageId { get; set; }
+    }
+
+    public class JournalCatalogAddInput
+    {
+        /// <summary>
+        /// 目录名称
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 级别
+        /// </summary>
+        public int Level { get; set; }
+
+        /// <summary>
+        /// 类型0-目录 1-页
+        /// </summary>
+        public int Type { get; set; }
+
+        /// <summary>
+        /// url
+        /// </summary>
+        public string Url { get; set; }
+    }
+
+    public class JournalCatalogInput
+    {
+        /// <summary>
+        /// 书Id
+        /// </summary>
+        public long JournalId { get; set; }
+
+        /// <summary>
+        /// 目录名称
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 父Id;无限级别
+        /// </summary>
+        public long ParentId { get; set; }
+
+        /// <summary>
+        /// 等级
+        /// </summary>
+        public int Level { get; set; }
+
+        /// <summary>
+        /// 指定插入位置的索引（从0开始）不传或传null时默认追加到末尾
+        /// </summary>
+        public int? Position { get; set; }
+
+        /// <summary>
+        /// 类型0-目录 1-页
+        /// </summary>
+        public int Type { get; set; }
+
+        /// <summary>
+        /// url
+        /// </summary>
+        public string Url { get; set; }
+    }
+}