feat: 优化AI图片存储与访问流程

- 统一图片存储服务地址常量，返回完整可访问URL
- 图片上传接口支持匿名访问，并按日期创建存储目录
- ImageStoreTask 移除无用生成图片 Base64 字段，调整大字段存储配置
- 创建图片任务时补充 ModelId 信息
- 优先使用 Authorization 头部，避免覆盖已有认证信息
- 前端补充 Element Plus Descriptions 组件类型声明

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs

@@ -976,7 +976,7 @@ public class AiGateWayManager : DomainService
         }
     }
 
-
+    private const string ImageStoreHost = "http://localhost:19001/api/app";
     /// <summary>
     /// Gemini 生成(Image)-非流式-缓存处理
     /// 返回图片绝对路径
@@ -1010,12 +1010,11 @@ public class AiGateWayManager : DomainService
         //远程调用上传接口，将base64转换为URL
         var httpClient = LazyServiceProvider.LazyGetRequiredService<IHttpClientFactory>().CreateClient();
         // var uploadUrl = $"https://ccnetcore.com/prod-api/ai-hub/ai-image/upload-base64";
-        var uploadUrl = $"http://localhost:19001/api/app/ai-image/upload-base64";
+        var uploadUrl = $"{ImageStoreHost}/ai-image/upload-base64";
         var content = new StringContent(JsonSerializer.Serialize(imageBase64), Encoding.UTF8, "application/json");
         var uploadResponse = await httpClient.PostAsync(uploadUrl, content, cancellationToken);
         uploadResponse.EnsureSuccessStatusCode();
         var storeUrl = await uploadResponse.Content.ReadAsStringAsync(cancellationToken);
-        storeUrl = storeUrl.Trim('"'); // 移除JSON字符串的引号
 
         var tokenUsage = new ThorUsageResponse
         {
@@ -1042,8 +1041,7 @@ public class AiGateWayManager : DomainService
         }
 
         //设置存储base64和url
-        imageStoreTask.StorePrefixBase64 = imageBase64;
-        imageStoreTask.SetSuccess(storeUrl);
+        imageStoreTask.SetSuccess($"{ImageStoreHost}{storeUrl}");
         await _imageStoreTaskRepository.UpdateAsync(imageStoreTask);
     }