refine model settings

src/Infrastructure/BotSharp.Abstraction/Files/Models/FileInformation.cs

@@ -42,4 +42,7 @@ public class FileInformation
     [JsonPropertyName("file_download_url")]
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public string? FileDownloadUrl { get; set; } = string.Empty;
+
+
+    public string FileFullName => $"{FileName}.{FileExtension}";
 }

src/Infrastructure/BotSharp.Abstraction/MLTasks/Settings/LlmModelSetting.cs

@@ -73,23 +73,34 @@ public class LlmModelSetting
     }
 }
 
+#region Embedding model settings
 public class EmbeddingSetting
 {
+    public bool IsDefault { get; set; }
     public int Dimension { get; set; }
 }
+#endregion
 
+
+#region Reasoning model settings
 public class ReasoningSetting
 {
+    public bool IsDefault { get; set; }
     public float Temperature { get; set; } = 1.0f;
     public string? EffortLevel { get; set; }
 }
+#endregion
 
+#region Web search model settings
 public class WebSearchSetting
 {
     public bool IsDefault { get; set; }
     public string? SearchContextSize { get; set; }
 }
+#endregion
 
+
+#region Image model settings
 public class ImageSetting
 {
     public ImageGenerationSetting? Generation { get; set; }
@@ -99,6 +110,7 @@ public class ImageSetting
 
 public class ImageGenerationSetting
 {
+    public bool IsDefault { get; set; }
     public ModelSettingBase? Style { get; set; }
     public ModelSettingBase? Size { get; set; }
     public ModelSettingBase? Quality { get; set; }
@@ -107,16 +119,18 @@ public class ImageGenerationSetting
 
 public class ImageEditSetting
 {
+    public bool IsDefault { get; set; }
     public ModelSettingBase? Size { get; set; }
     public ModelSettingBase? ResponseFormat { get; set; }
 }
 
 public class ImageVariationSetting
 {
+    public bool IsDefault { get; set; }
     public ModelSettingBase? Size { get; set; }
     public ModelSettingBase? ResponseFormat { get; set; }
 }
-
+#endregion
 
 public class ModelSettingBase
 {

src/Infrastructure/BotSharp.Core/Files/Services/Instruct/FileInstructService.SelectFile.cs

@@ -93,7 +93,7 @@ public partial class FileInstructService
             }
 
             var providerName = options.Provider ?? "openai";
-            var model = options?.Model ?? "gpt-4o-mini";
+            var model = options?.Model ?? "gpt-4.1-mini";
             var provider = llmProviderService.GetProviders().FirstOrDefault(x => x == providerName);
             var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model);
 

src/Infrastructure/BotSharp.Core/WebSearch/Functions/WebIntelligentSearchFn.cs

@@ -34,7 +34,7 @@ public class WebIntelligentSearchFn : IFunctionCallback
         var agent = new Agent
         {
             Id = fromAgent?.Id ?? BuiltInAgentId.UtilityAssistant,
-            Name = fromAgent?.Name ?? "AI Agent",
+            Name = fromAgent?.Name ?? "Utility Assistant",
             Instruction = "Please search the websites to handle user's request."
         };
 
@@ -53,16 +53,8 @@ public class WebIntelligentSearchFn : IFunctionCallback
     {
         try
         {
-            var provider = "openai";
+            var (provider, model) = GetLlmProviderModel();
-            var defaultModel = "gpt-4o-mini-search-preview";
+            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: model);
-
-            var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
-            var models = llmProviderService.GetProviderModels(provider);
-            var webSearchModel = models.FirstOrDefault(x => x.WebSearch?.IsDefault == true)?.Name
-                                ?? models.FirstOrDefault(x => x.WebSearch != null)?.Name
-                                ?? defaultModel;
-
-            var completion = CompletionProvider.GetChatCompletion(_services, provider: provider, model: webSearchModel);
             var response = await completion.GetChatCompletions(agent, dialogs);
             return response.Content;
         }
@@ -73,4 +65,18 @@ public class WebIntelligentSearchFn : IFunctionCallback
             return error;
         }
     }
+
+    private (string, string) GetLlmProviderModel()
+    {
+        var provider = "openai";
+        var model = "gpt-4o-mini-search-preview";
+
+        var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
+        var models = llmProviderService.GetProviderModels(provider);
+        var foundModel = models.FirstOrDefault(x => x.WebSearch?.IsDefault == true)
+                            ?? models.FirstOrDefault(x => x.WebSearch != null);
+
+        model = foundModel?.Name ?? model;
+        return (provider, model);
+    }
 }

src/Plugins/BotSharp.Plugin.FileHandler/Functions/EditImageFn.cs

@@ -1,5 +1,3 @@
-using System.IO;
-
 namespace BotSharp.Plugin.FileHandler.Functions;
 
 public class EditImageFn : IFunctionCallback
@@ -30,6 +28,7 @@ public class EditImageFn : IFunctionCallback
         var image = await SelectImage(descrpition);
         var response = await GetImageEditGeneration(message, descrpition, image);
         message.Content = response;
+        message.StopCompletion = true;
         return true;
     }
 
@@ -43,8 +42,8 @@ public class EditImageFn : IFunctionCallback
     private void SetImageOptions()
     {
         var state = _services.GetRequiredService<IConversationStateService>();
-        state.SetState("image_response_format", "bytes");
         state.SetState("image_count", "1");
+        state.SetState("image_response_format", "bytes");
     }
 
     private async Task<MessageFileModel?> SelectImage(string? description)
@@ -53,7 +52,8 @@ public class EditImageFn : IFunctionCallback
         var selecteds = await fileInstruct.SelectMessageFiles(_conversationId, new SelectFileOptions
         {
             Description = description,
-            ContentTypes = new List<string> { MediaTypeNames.Image.Png }
+            IncludeBotFile = true,
+            ContentTypes = [MediaTypeNames.Image.Png]
         });
         return selecteds?.FirstOrDefault();
     }
@@ -67,7 +67,8 @@ public class EditImageFn : IFunctionCallback
 
         try
         {
-            var completion = CompletionProvider.GetImageCompletion(_services, provider: "openai", model: "dall-e-2");
+            var (provider, model) = GetLlmProviderModel();
+            var completion = CompletionProvider.GetImageCompletion(_services, provider: provider, model: model);
             var text = !string.IsNullOrWhiteSpace(description) ? description : message.Content;
             var dialog = RoleDialogModel.From(message, AgentRole.User, text);
             var agent = new Agent
@@ -78,13 +79,15 @@ public class EditImageFn : IFunctionCallback
 
             var fileStorage = _services.GetRequiredService<IFileStorageService>();
             var fileBinary = fileStorage.GetFileBytes(image.FileStorageUrl);
+
+            // To do: convert rgb to rgba image
             using var stream = fileBinary.ToStream();
             stream.Position = 0;
-            var result = await completion.GetImageEdits(agent, dialog, stream, image.FileName ?? string.Empty);
+            var result = await completion.GetImageEdits(agent, dialog, stream, image.FileFullName);
             stream.Close();
             SaveGeneratedImage(result?.GeneratedImages?.FirstOrDefault());
 
-            return $"Image \"{image.FileName}.{image.FileExtension}\" is successfylly editted.";
+            return $"Your image is successfylly editted.";
         }
         catch (Exception ex)
         {
@@ -94,6 +97,20 @@ public class EditImageFn : IFunctionCallback
         }
     }
 
+    private (string, string) GetLlmProviderModel()
+    {
+        var provider = "openai";
+        var model = "gpt-image-1";
+
+        var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
+        var models = llmProviderService.GetProviderModels(provider);
+        var foundModel = models.FirstOrDefault(x => x.Image?.Edit?.IsDefault == true)
+                            ?? models.FirstOrDefault(x => x.Image?.Edit != null);
+
+        model = foundModel?.Name ?? model;
+        return (provider, model);
+    }
+
     private void SaveGeneratedImage(ImageGeneration? image)
     {
         if (image == null) return;

src/Plugins/BotSharp.Plugin.FileHandler/Functions/GenerateImageFn.cs

@@ -25,16 +25,22 @@ public class GenerateImageFn : IFunctionCallback
         SetImageOptions();
         
         var agentService = _services.GetRequiredService<IAgentService>();
-        var agent = await agentService.LoadAgent(BuiltInAgentId.UtilityAssistant);
+
-        var imageAgent = new Agent
+        Agent? fromAgent = null;
+        if (!string.IsNullOrEmpty(message.CurrentAgentId))
         {
-            Id = agent?.Id ?? Guid.Empty.ToString(),
+            fromAgent = await agentService.GetAgent(message.CurrentAgentId);
-            Name = agent?.Name ?? "Unkown",
+        }
+
+        var agent = new Agent
+        {
+            Id = fromAgent?.Id ?? BuiltInAgentId.UtilityAssistant,
+            Name = fromAgent?.Name ?? "Utility Assistant",
             Instruction = args?.ImageDescription,
             TemplateDict = new Dictionary<string, object>()
         };
 
-        var response = await GetImageGeneration(imageAgent, message, args?.ImageDescription);
+        var response = await GetImageGeneration(agent, message, args?.ImageDescription);
         message.Content = response;
         message.StopCompletion = true;
         return true;
@@ -58,7 +64,8 @@ public class GenerateImageFn : IFunctionCallback
     {
         try
         {
-            var completion = CompletionProvider.GetImageCompletion(_services, provider: "openai", model: "dall-e-3");
+            var (provider, model) = GetLlmProviderModel();
+            var completion = CompletionProvider.GetImageCompletion(_services, provider: provider, model: model);
             var text = !string.IsNullOrWhiteSpace(description) ? description : message.Content;
             var dialog = RoleDialogModel.From(message, AgentRole.User, text);
             var result = await completion.GetImageGeneration(agent, dialog);
@@ -73,6 +80,20 @@ public class GenerateImageFn : IFunctionCallback
         }
     }
 
+    private (string, string) GetLlmProviderModel()
+    {
+        var provider = "openai";
+        var model = "gpt-image-1";
+
+        var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
+        var models = llmProviderService.GetProviderModels(provider);
+        var foundModel = models.FirstOrDefault(x => x.Image?.Generation?.IsDefault == true)
+                            ?? models.FirstOrDefault(x => x.Image?.Generation != null);
+
+        model = foundModel?.Name ?? model;
+        return (provider, model);
+    }
+
     private void SaveGeneratedImages(List<ImageGeneration>? images)
     {
         if (images.IsNullOrEmpty()) return;

src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadImageFn.cs

@@ -33,8 +33,8 @@ public class ReadImageFn : IFunctionCallback
 
         var agent = new Agent
         {
-            Id = BuiltInAgentId.UtilityAssistant,
+            Id = fromAgent?.Id ?? BuiltInAgentId.UtilityAssistant,
-            Name = "Utility Agent",
+            Name = fromAgent?.Name ?? "Utility Assistant",
             Instruction = fromAgent?.Instruction ?? args?.UserRequest ?? "Please describe the image(s).",
             TemplateDict = new Dictionary<string, object>()
         };

src/Plugins/BotSharp.Plugin.FileHandler/Functions/ReadPdfFn.cs

@@ -33,13 +33,13 @@ public class ReadPdfFn : IFunctionCallback
         Agent? fromAgent = null;
         if (!string.IsNullOrEmpty(message.CurrentAgentId))
         {
-            fromAgent = await agentService.LoadAgent(message.CurrentAgentId);
+            fromAgent = await agentService.GetAgent(message.CurrentAgentId);
         }
 
         var agent = new Agent
         {
-            Id = BuiltInAgentId.UtilityAssistant,
+            Id = fromAgent?.Id ?? BuiltInAgentId.UtilityAssistant,
-            Name = "Utility Agent",
+            Name = fromAgent?.Name ?? "Utility Assistant",
             Instruction = fromAgent?.Instruction ?? args?.UserRequest ?? "Please describe the pdf file(s).",
             TemplateDict = new Dictionary<string, object>()
         };

src/Plugins/BotSharp.Plugin.OpenAI/Providers/Image/ImageCompletionProvider.Edit.cs

@@ -52,9 +52,10 @@ public partial class ImageCompletionProvider
         var prompt = message?.Payload ?? message?.Content ?? string.Empty;
 
         var settingsService = _services.GetRequiredService<ILlmProviderService>();
+        var state = _services.GetRequiredService<IConversationStateService>();
+
         var settings = settingsService.GetSetting(Provider, _model)?.Image?.Edit;
         
-        var state = _services.GetRequiredService<IConversationStateService>();
         var size = state.GetState("image_size");
         var responseFormat = state.GetState("image_response_format");
 
@@ -71,7 +72,7 @@ public partial class ImageCompletionProvider
             options.ResponseFormat = GetImageResponseFormat(responseFormat);
         }
 
-        var count = GetImageCount(state.GetState("image_count", "1"));
+        var count = GetImageCount(state.GetState("image_count"));
         return (prompt, count, options);
     }
 }

src/Plugins/BotSharp.Plugin.OpenAI/Providers/Image/ImageCompletionProvider.Generation.cs

@@ -30,9 +30,10 @@ public partial class ImageCompletionProvider
         var prompt = message?.Payload ?? message?.Content ?? string.Empty;
 
         var settingsService = _services.GetRequiredService<ILlmProviderService>();
+        var state = _services.GetRequiredService<IConversationStateService>();
+
         var settings = settingsService.GetSetting(Provider, _model)?.Image?.Generation;
         
-        var state = _services.GetRequiredService<IConversationStateService>();
         var size = state.GetState("image_size");
         var quality = state.GetState("image_quality");
         var style = state.GetState("image_style");
@@ -61,7 +62,7 @@ public partial class ImageCompletionProvider
             options.ResponseFormat = GetImageResponseFormat(responseFormat);
         }
 
-        var count = GetImageCount(state.GetState("image_count", "1"));
+        var count = GetImageCount(state.GetState("image_count"));
         return (prompt, count, options);
     }
 }

src/Plugins/BotSharp.Plugin.OpenAI/Providers/Image/ImageCompletionProvider.Variation.cs

@@ -28,9 +28,10 @@ public partial class ImageCompletionProvider
     private (int, ImageVariationOptions) PrepareVariationOptions()
     {
         var settingsService = _services.GetRequiredService<ILlmProviderService>();
+        var state = _services.GetRequiredService<IConversationStateService>();
+
         var settings = settingsService.GetSetting(Provider, _model)?.Image?.Variation;
 
-        var state = _services.GetRequiredService<IConversationStateService>();
         var size = state.GetState("image_size");
         var responseFormat = state.GetState("image_response_format");