refactor: 完善枚举系统与状态类型转换，新增枚举管理接口

1. 为所有枚举添加Description特性用于中文描述
2. 移除实体类中冗余的状态字段注释与定义
3. 将所有枚举状态参数改为int类型转换，统一数据交互格式
4. 新增系统管理枚举查询接口与实现，支持获取所有枚举元数据
5. 调整宠物服务模板状态更新接口参数类型

QYZH.InteractiveMagazine.Service/WeChatAuthService.cs

@@ -72,7 +72,7 @@ public class WeChatAuthService(BaseRepository<Users> usersRepository, IConfigura
                 UnionId = wxResponse.UnionId,
                 Phone = phone,
                 Type = UsersTypeEnum.Normal,
-                Status = UserStatusEnum.Active,
+                Status = (int)UserStatusEnum.Active,
                 GrowthPoints = 0,
                 Points = 0,
                 IsLastOnline = true
@@ -190,7 +190,7 @@ public class WeChatAuthService(BaseRepository<Users> usersRepository, IConfigura
             throw new BusinessException("无法切换到该用户", 403);
         }
 
-        if (targetUser.Status == UserStatusEnum.Disabled)
+        if (targetUser.Status == (int)UserStatusEnum.Disabled)
         {
             throw new BusinessException("目标账号已被禁用", 403);
         }