添加项目文件。

Services/IChatService.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace YwxApp.AiChat.Services
+{
+    public interface IChatService
+    {
+        Task<string> GetResponseAsync(string prompt);
+        void Configure(string apiKey, string modelName = "gpt-3.5-turbo");
+    }
+}