Infrastructure for GPT 4.x model upgrading

src/Infrastructure/BotSharp.Abstraction/Models/Gpt4xModelConstants.cs

@@ -0,0 +1,13 @@
+namespace BotSharp.Abstraction.Models;
+
+public static class Gpt4xModelConstants
+{
+    public const string GPT_4o = "gpt-4o";
+    public const string GPT_4o_2024_11_20 = "gpt-4o-2024-11-20";
+    public const string GPT_4o_Mini = "gpt-4o-mini";
+    public const string GPT_4_1 = "gpt-4.1";
+    public const string GPT_4_1_Mini = "gpt-4.1-mini";
+    public const string GPT_4_1_Nano = "gpt-4.1-nano";
+    public const string GPT_4o_Mini_Realtime_Preview = "gpt-4o-mini-realtime-preview";
+    public const string GPT_4o_Realtime_Preview = "gpt-4o-realtime-preview";
+}

src/Infrastructure/BotSharp.Abstraction/Settings/ISettingService.cs

@@ -10,4 +10,6 @@ public interface ISettingService
     T Bind<T>(string path) where T : new();
 
     Task<object> GetDetail(string settingName, bool mask = false);
+
+    string GetUpgradeModel(string oldModelName);
 }

src/Infrastructure/BotSharp.Abstraction/Settings/ModelUpgradeMapSettings.cs

@@ -0,0 +1,14 @@
+namespace BotSharp.Abstraction.Settings;
+
+public class ModelUpgradeMapSettings
+{
+    public static string Key => "ModelUpgradeMap";
+    public List<ModelUpgradeMapItem> ModelUpgradeMap { get; set; } = new();
+}
+
+public class ModelUpgradeMapItem
+{
+    public string OldModel { get; set; } = string.Empty;
+    public string NewModel { get; set; } = string.Empty;
+    public bool Enable { get; set; }
+}

src/Infrastructure/BotSharp.Core/Agents/AgentPlugin.cs

@@ -48,6 +48,16 @@ public void RegisterDI(IServiceCollection services, IConfiguration config)
             render.RegisterType(typeof(AgentSettings));
             return settingService.Bind<AgentSettings>("Agent");
         });
+
+        services.AddScoped(provider =>
+        {
+            var settingService = provider.GetRequiredService<ISettingService>();
+            var config = provider.GetRequiredService<IConfiguration>();
+            var settings = new ModelUpgradeMapSettings();
+            config.Bind(ModelUpgradeMapSettings.Key, settings.ModelUpgradeMap);
+            return settings;
+        });
+
     }
 
     public bool AttachMenu(List<PluginMenuDef> menu)

src/Infrastructure/BotSharp.Core/Infrastructures/SettingService.cs

@@ -50,4 +50,17 @@ public static string Mask(string value)
             + string.Join("", Enumerable.Repeat("*", value.Length / 2));
         return value;
     }
+
+    public string GetUpgradeModel(string oldModelName)
+    {
+        var modelUpgradeMapSettings = _services.GetRequiredService<ModelUpgradeMapSettings>();
+        var mapping = modelUpgradeMapSettings.ModelUpgradeMap.FirstOrDefault(x => x.OldModel.Equals(oldModelName, StringComparison.OrdinalIgnoreCase));
+
+        if(mapping == null || !mapping.Enable)
+        {
+            return oldModelName;
+        }
+
+        return mapping.NewModel;
+    }
 }