Adjust rich content data structure.

src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs

@@ -1,4 +1,6 @@
 using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Messaging.Models;
+using BotSharp.Abstraction.Messaging.Models.RichContent;
 
 namespace BotSharp.Abstraction.Conversations.Models;
 
@@ -35,7 +37,7 @@ public class RoleDialogModel : ITrackableMessage
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public object Data { get; set; }
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-    public object? RichContent { get; set; }
+    public RichContent<IMessageTemplate>? RichContent { get; set; }
 
     /// <summary>
     /// Stop conversation completion

src/Infrastructure/BotSharp.Abstraction/Functions/Models/FunctionCallFromLlm.cs

@@ -12,6 +12,8 @@ public class FunctionCallFromLlm : RoutingArgs
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public JsonDocument? Arguments { get; set; }
 
+    public bool IsExecutionOnce { get; set; }
+
     public override string ToString()
     {
         var route = string.IsNullOrEmpty(AgentName) ? "" : $"<Route to {AgentName.ToUpper()} because {Reason}>";

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/IMessageTemplate.cs

@@ -0,0 +1,6 @@
+namespace BotSharp.Abstraction.Messaging.Models;
+
+public interface IMessageTemplate
+{
+    string Text { get; set; }
+}

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyElement.cs

@@ -9,7 +9,6 @@ public class QuickReplyElement
         public string? Payload { get; set; }
         [JsonPropertyName("image_url")]
         public string? ImageUrl { get; set; }
-        [JsonPropertyName("postback_url")]
         public string? PostBackUrl { get; set; }
     }
 }

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyMessage.cs

@@ -1,8 +1,10 @@
 
 namespace BotSharp.Abstraction.Messaging.Models.RichContent
 {
-    public class QuickReplyMessage : TextMessage
+    public class QuickReplyMessage : IMessageTemplate
     {
+        public string Text { get; set; } = string.Empty;
+
         [JsonPropertyName("quick_replies")]
         public List<QuickReplyElement> QuickReplies { get; set; } = new List<QuickReplyElement>();
     }

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/RichContent.cs

@@ -1,6 +1,6 @@
 namespace BotSharp.Abstraction.Messaging.Models.RichContent
 {
-    public class RichContent<T>
+    public class RichContent<T> where T : IMessageTemplate
     {
         public Recipient Recipient { get; set; } = new Recipient();
         /// <summary>

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/ButtonTemplate.cs

@@ -1,8 +1,10 @@
 
 namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
 {
-    public class ButtonTemplate : TextMessage
+    public class ButtonTemplate : IMessageTemplate
     {
+        public string Text { get; set; } = string.Empty;
+
         [JsonPropertyName("template_type")]
         public string TemplateType => "button"; 
         public List<ButtonElement> Buttons { get; set; } = new List<ButtonElement>();

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/MultiSelectTemplate.cs

@@ -1,8 +1,10 @@
 
 namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
 {
-    public class MultiSelectTemplate : TextMessage
+    public class MultiSelectTemplate : IMessageTemplate
     {
+        public string Text { get; set; } = string.Empty;
+
         [JsonPropertyName("template_type")]
         public string TemplateType => "multi-select";
         public List<OptionElement> Options { get; set; } = new List<OptionElement>();

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/TextMessage.cs

@@ -1,8 +1,7 @@
 
-namespace BotSharp.Abstraction.Messaging.Models.RichContent
+namespace BotSharp.Abstraction.Messaging.Models.RichContent;
+
+public class TextMessage : IMessageTemplate
 {
-    public class TextMessage
-    {
-        public string Text { get; set; } = string.Empty;
-    }
+    public string Text { get; set; } = string.Empty;
 }

src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContentJsonConverter .cs

@@ -0,0 +1,16 @@
+using System.Text.Json;
+
+namespace BotSharp.Abstraction.Messaging.Models;
+
+public class RichContentJsonConverter : JsonConverter<IMessageTemplate>
+{
+    public override IMessageTemplate? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        throw new NotImplementedException();
+    }
+
+    public override void Write(Utf8JsonWriter writer, IMessageTemplate value, JsonSerializerOptions options)
+    {
+        JsonSerializer.Serialize(writer, value, value.GetType(), options);
+    }
+}

src/Infrastructure/BotSharp.Core/BotSharp.Core.csproj

@@ -56,7 +56,6 @@
     <PackageReference Include="Colorful.Console" Version="1.2.15" />
     <PackageReference Include="EntityFrameworkCore.BootKit" Version="6.2.1" />
     <PackageReference Include="Fluid.Core" Version="2.5.0" />
-    <PackageReference Include="TensorFlow.Keras" Version="0.11.4" />
   </ItemGroup>
 
   <ItemGroup>

src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs

@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Messaging.Models;
 using BotSharp.Abstraction.Messaging.Models.RichContent;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
@@ -102,7 +103,7 @@ private async Task HandleAssistantMessage(RoleDialogModel response, Func<RoleDia
 
         // Only read content from RichContent for UI rendering. When richContent is null, create a basic text message for richContent.
         var state = _services.GetRequiredService<IConversationStateService>();
-        response.RichContent = response.RichContent ?? new RichContent<TextMessage>
+        response.RichContent = response.RichContent ?? new RichContent<IMessageTemplate>
         {
             Recipient = new Recipient { Id = state.GetConversationId() },
             Message = new TextMessage { Text = response.Content }

src/Infrastructure/BotSharp.Core/Planning/InstructExecutor.cs

@@ -1,4 +1,6 @@
 using BotSharp.Abstraction.Functions.Models;
+using BotSharp.Abstraction.Messaging.Models;
+using BotSharp.Abstraction.Messaging.Models.RichContent;
 using BotSharp.Abstraction.Planning;
 using BotSharp.Abstraction.Routing;
 
@@ -33,6 +35,14 @@ public async Task<RoleDialogModel> Execute(IRoutingService routing,
         response.MessageId = message.MessageId;
         response.Instruction = inst;
 
+        // Process rich content
+        if (response.RichContent != null &&
+            response.RichContent is RichContent<IMessageTemplate> template &&
+            string.IsNullOrEmpty(template.Message.Text))
+        {
+            template.Message.Text = response.Content;
+        }
+
         return response;
     }
 }

src/Infrastructure/BotSharp.Core/Routing/Handlers/RouteToAgentRoutingHandler.cs

@@ -36,6 +36,10 @@ public async Task<bool> Handle(IRoutingService routing, FunctionCallFromLlm inst
         var ret = await function.Execute(message);
 
         var agentId = context.GetCurrentAgentId();
+        if (inst.IsExecutionOnce)
+        {
+            message.Content = inst.Question;
+        }
         ret = await routing.InvokeAgent(agentId, _dialogs);
 
         var response = _dialogs.Last();

src/Infrastructure/BotSharp.Core/Routing/RoutingService.cs

@@ -44,7 +44,9 @@ public async Task<RoleDialogModel> ExecuteOnce(Agent agent, RoleDialogModel mess
             Function = "route_to_agent",
             Question = message.Content,
             Reason = message.Content,
-            AgentName = agent.Name
+            AgentName = agent.Name,
+            OriginalAgent = agent.Name,
+            IsExecutionOnce = true
         };
 
         var result = await handler.Handle(this, inst, message);