fix: Claude模型请求前纠正 yi- 前缀处理顺序

在调用 Anthropic ChatCompletion 之前统一去除 yi- 模型前缀，避免传递错误的 model 参数导致请求异常

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

@@ -515,14 +515,16 @@ public class AiGateWayManager : DomainService
         // 设置响应头，声明是 json
         //response.ContentType = "application/json; charset=UTF-8";
         var modelDescribe = await GetModelAsync(ModelApiTypeEnum.Claude, request.Model);
-        var chatService =
-            LazyServiceProvider.GetRequiredKeyedService<IAnthropicChatCompletionService>(modelDescribe.HandlerName);
-        var data = await chatService.ChatCompletionsAsync(modelDescribe, request, cancellationToken);
         if (!string.IsNullOrEmpty(request.Model) &&
             request.Model.StartsWith("yi-", StringComparison.OrdinalIgnoreCase))
         {
             request.Model = request.Model[3..];
         }
+        
+        var chatService =
+            LazyServiceProvider.GetRequiredKeyedService<IAnthropicChatCompletionService>(modelDescribe.HandlerName);
+        var data = await chatService.ChatCompletionsAsync(modelDescribe, request, cancellationToken);
+   
         data.SupplementalMultiplier(modelDescribe.Multiplier);
 
         if (userId is not null)