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/JournalQuestionOutput.cs

@@ -0,0 +1,35 @@
+using QYZH.InteractiveMagazine.Models.Enum;
+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 JournalTaskOutput
+    {
+        public long TaskId { get; set; }
+        public string TaskNo { get; set; }
+
+        public TaskTypeEnum TaskType
+        {
+            get
+            {
+                var type = new TaskBankType();
+                if (type.ObjectiveTypes.Contains(TaskSubType))
+                    return TaskTypeEnum.Objective;
+                else if (type.SubjectiveTypes.Contains(TaskSubType))
+                    return TaskTypeEnum.Subjective;
+                else
+                    throw new InvalidOperationException($"Unknown task sub type: {TaskSubType}");
+            }
+        }
+
+        /// <summary>
+        /// 详细类型
+        /// </summary>
+        public TaskBankTypeEnum TaskSubType { get; set; }
+    }
+}