feat: 为 HttpClient 添加默认 User-Agent 请求头

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

@@ -127,6 +127,7 @@ namespace Yi.Framework.AiHub.Domain
                 {
                     builder.ConfigureHttpClient(client =>
                     {
+                        client.DefaultRequestHeaders.Add("User-Agent","Apifox/1.0.0 (https://apifox.com)");
                         client.Timeout = TimeSpan.FromMinutes(10);
                     });
                 });