Register IChatClient for the default configuration

framework/src/Volo.Abp.AI/Volo/Abp/AI/AbpAIModule.cs

@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.AI;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Volo.Abp.Modularity;
 
@@ -26,6 +27,14 @@ public class AbpAIModule : AbpModule
                 AbpAIOptions.GetChatClientServiceKeyName(chatClientConfig.Name),
                 provider => chatClientConfig.Builder.Build(provider)
             );
+
+            if (chatClientConfig.Name == ChatClientConfigurationDictionary.DefaultChatClientName)
+            {
+                context.Services.AddTransient<IChatClient>(sp => sp.GetRequiredKeyedService<IChatClient>(
+                        AbpAIOptions.GetChatClientServiceKeyName(chatClientConfig.Name)
+                    )
+                );
+            }
         }
         
         context.Services.TryAddTransient(typeof(IChatClient<>), typeof(TypedChatClient<>));

framework/src/Volo.Abp.AI/Volo/Abp/AI/ChatClientConfigurationCollection.cs

@@ -5,10 +5,10 @@ namespace Volo.Abp.AI;
 
 public class ChatClientConfigurationDictionary : Dictionary<string, ChatClientConfiguration>
 {
-    public static string DefaultName => "Default";
+    public static string DefaultChatClientName => "Default";
     
     public void ConfigureDefault(Action<ChatClientConfiguration> configureAction) =>
-        Configure(DefaultName, configureAction);
+        Configure(DefaultChatClientName, configureAction);
 
     public void Configure<T>(Action<ChatClientConfiguration> configureAction)
     {