feat: 新增上传地址管理、答题评分及社区消息功能

1. 新增UploadDomain实体与上传地址分配逻辑，为用户分配可用上传域名
2. 新增绑定期刊消息推送，通过RabbitMQ传递绑定信息
3. 优化答题评分逻辑，新增完成度阈值判定与社区消息插入
4. 新增配置项用于评分阈值配置
5. 补充相关DTO与实体类字段，完善数据传输与存储

QYZH.InteractiveMagazine.Service/WeChatAuthService.cs

@@ -19,6 +19,7 @@ namespace QYZH.InteractiveMagazine.Service;
 /// </summary>
 public class WeChatAuthService(
     BaseRepository<WxUser> wxUserRepository,
+    BaseRepository<UploadDomain> uploadDomainRepository,
     IConfiguration configuration,
     ILogger<WeChatAuthService> logger,
     IPetService petService)
@@ -260,7 +261,27 @@ public class WeChatAuthService(
             UpdatedAt = DateTime.Now
         };
 
-        await wxUserRepository.Context.Insertable(newUser).ExecuteReturnIdentityAsync();
+        await UseTranAsync(async () =>
+        {
+            var uploadDomain = await uploadDomainRepository.Queryable()
+                .Where(d => d.Status == 1 && !d.IsDeleted)
+                .OrderBy(d => d.AssignedCount, SqlSugar.OrderByType.Asc)
+                .OrderBy(d => d.Id, SqlSugar.OrderByType.Asc)
+                .FirstAsync();
+
+            BusinessException.ThrowIf(uploadDomain == null, "暂无可用上传地址，请联系管理员", ResultCode.UNPROCESSABLE_ENTITY);
+
+            newUser.UploadDomain = uploadDomain!.Domain;
+
+            await wxUserRepository.Context.Insertable(newUser).ExecuteCommandAsync();
+
+            await uploadDomainRepository.Updateable()
+                .SetColumns(d => d.AssignedCount == d.AssignedCount + 1)
+                .SetColumns(d => d.UpdatedBy == wxUserId.ToString())
+                .SetColumns(d => d.UpdatedAt == DateTime.Now)
+                .Where(d => d.Id == uploadDomain.Id)
+                .ExecuteCommandAsync();
+        });
 
         logger.LogInformation("新用户创建成功，UserId: {UserId}, WxUserId: {WxUserId}, Name: {Name}",
             newUser.Id, wxUserId, input.Name);
@@ -431,7 +452,8 @@ public class WeChatAuthService(
             Type = user.Type.ToString(),
             Status = user.Status.ToString(),
             IsLastOnline = user.IsLastOnline,
-            CreatedAt = user.CreatedAt
+            CreatedAt = user.CreatedAt,
+            UploadDomain = user.UploadDomain
         };
     }