Introduce typed chat client services

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

@@ -2,5 +2,12 @@ namespace Volo.Abp.AI;
 
 public class AbpAIChatClientOptions
 {
+    public const string ChatClientServiceKeyNamePrefix = "Abp.AI.ChatClient_";
+    
     public ChatClientConfigurationDictionary ChatClients { get; } = new();
+
+    public static string GetChatClientServiceKeyName(string name)
+    {
+        return $"{ChatClientServiceKeyNamePrefix}{name}";
+    }
 }

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

@@ -1,4 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 using Volo.Abp.Modularity;
 
 namespace Volo.Abp.AI;
@@ -28,8 +29,13 @@ public class AbpAIModule : AbpModule
             {
                 builderConfigurer.Action(chatClientConfig.Builder);
             }
-            
-            context.Services.AddKeyedChatClient(chatClientConfig.Name, provider => chatClientConfig.Builder.Build(provider));
+
+            context.Services.AddKeyedChatClient(
+                AbpAIChatClientOptions.GetChatClientServiceKeyName(chatClientConfig.Name),
+                provider => chatClientConfig.Builder.Build(provider)
+            );
         }
+        
+        context.Services.TryAddTransient(typeof(IChatClient<>), typeof(TypedChatClient<>));
     }
 }

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

@@ -5,9 +5,24 @@ namespace Volo.Abp.AI;
 
 public class ChatClientConfigurationDictionary : Dictionary<string, ChatClientConfiguration>
 {
+    public static string DefaultName => "Default";
+    
     public void ConfigureDefault(Action<ChatClientConfiguration> configureAction) =>
-        Configure("Default", configureAction);
+        Configure(DefaultName, configureAction);
 
+    public void Configure<T>(Action<ChatClientConfiguration> configureAction)
+    {
+        Configure(typeof(T), configureAction);
+    }
+    
+    public void Configure(Type chatClientType, Action<ChatClientConfiguration> configureAction)
+    {
+        Configure(
+            ChatClientNameAttribute.GetChatClientName(chatClientType),
+            configureAction
+        );
+    }
+    
     public void Configure(string name, Action<ChatClientConfiguration> configureAction)
     {
         if (!this.TryGetValue(name, out var configuration))

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

@@ -0,0 +1,37 @@
+using System;
+using System.Linq;
+
+namespace Volo.Abp.AI;
+
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface | AttributeTargets.Struct)]
+public class ChatClientNameAttribute : Attribute
+{
+    public string Name { get; }
+
+    public ChatClientNameAttribute(string name)
+    {
+        Check.NotNull(name, nameof(name));
+
+        Name = name;
+    }
+
+    public static string GetChatClientName<TChatClient>()
+    {
+        return GetChatClientName(typeof(TChatClient));
+    }
+    
+    public static string GetChatClientName(Type chatClientType)
+    {
+        var chatClientNameAttribute = chatClientType
+            .GetCustomAttributes(true)
+            .OfType<ChatClientNameAttribute>()
+            .FirstOrDefault();
+
+        if (chatClientNameAttribute != null)
+        {
+            return chatClientNameAttribute.Name;
+        }
+
+        return chatClientType.FullName!;
+    }
+}

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

@@ -0,0 +1,9 @@
+using Microsoft.Extensions.AI;
+
+namespace Volo.Abp.AI;
+
+public interface IChatClient<T> : IChatClient
+    where T: class
+{
+    
+}

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

@@ -0,0 +1,18 @@
+using System;
+using Microsoft.Extensions.AI;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Volo.Abp.AI;
+
+public class TypedChatClient<T> : DelegatingChatClient, IChatClient<T>
+    where T : class
+{
+    public TypedChatClient(IServiceProvider serviceProvider)
+        : base(
+            serviceProvider.GetRequiredKeyedService<IChatClient>(
+                AbpAIChatClientOptions.GetChatClientServiceKeyName(
+                    ChatClientNameAttribute.GetChatClientName<T>()))
+        )
+    {
+    }
+}