Allow agent to use few-shot learning.

src/Infrastructure/BotSharp.Abstraction/Agents/AgentHookBase.cs

@@ -41,7 +41,7 @@ public abstract class AgentHookBase : IAgentHook
         return true;
     }
 
-    public virtual bool OnSamplesLoaded(ref string samples)
+    public virtual bool OnSamplesLoaded(List<string> samples)
     {
         _agent.Samples = samples;
         return true;

src/Infrastructure/BotSharp.Abstraction/Agents/IAgentHook.cs

@@ -19,7 +19,7 @@ public interface IAgentHook
 
     bool OnFunctionsLoaded(List<FunctionDef> functions);
 
-    bool OnSamplesLoaded(ref string samples);
+    bool OnSamplesLoaded(List<string> samples);
 
     /// <summary>
     /// Triggered when agent is loaded completely.

src/Infrastructure/BotSharp.Abstraction/Agents/Models/Agent.cs

@@ -27,7 +27,7 @@ public class Agent
     /// Samples
     /// </summary>
     [JsonIgnore]
-    public string Samples { get; set; }
+    public List<string> Samples { get; set; }
 
     /// <summary>
     /// Functions
@@ -109,6 +109,12 @@ public class Agent
         return this;
     }
 
+    public Agent SetSamples(List<string> samples)
+    {
+        Samples = samples ?? new List<string>();
+        return this;
+    }
+
     public Agent SetResponses(List<AgentResponse> responses)
     {
         Responses = responses ?? new List<AgentResponse>(); ;

src/Infrastructure/BotSharp.Abstraction/Routing/IRoutingService.cs

@@ -5,6 +5,7 @@ namespace BotSharp.Abstraction.Routing;
 public interface IRoutingService
 {
     List<RoleDialogModel> Dialogs { get; }
+    void RefreshDialogs();
     Task<FunctionCallFromLlm> GetNextInstruction();
     Task<RoleDialogModel> InvokeAgent(string agentId);
     Task<RoleDialogModel> InstructLoop();

src/Infrastructure/BotSharp.Core/Agents/Services/AgentService.LoadAgent.cs

@@ -42,10 +42,9 @@ public partial class AgentService
                 hook.OnFunctionsLoaded(agent.Functions);
             }
 
-            if (!string.IsNullOrEmpty(agent.Samples))
+            if (agent.Samples != null)
             {
-                var samples = agent.Samples;
+                hook.OnSamplesLoaded(agent.Samples);
-                hook.OnSamplesLoaded(ref samples);
             }
 
             hook.OnAgentLoaded(agent);

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

@@ -56,6 +56,8 @@ public partial class ConversationService
         var statistics = _services.GetRequiredService<ITokenStatistics>();
         statistics.PrintStatistics();
 
+        routing.RefreshDialogs();
+
         return true;
     }
 

src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs

@@ -519,10 +519,12 @@ public class FileRepository : IBotSharpRepository
 
             var instruction = FetchInstruction(dir);
             var functions = FetchFunctions(dir);
+            var samples = FetchSamples(dir);
             var templates = FetchTemplates(dir);
             var responses = FetchResponses(dir);
             return record.SetInstruction(instruction)
                              .SetFunctions(functions)
+                             .SetSamples(samples)
                              .SetTemplates(templates)
                              .SetResponses(responses);
         }
@@ -771,6 +773,14 @@ public class FileRepository : IBotSharpRepository
         return functions;
     }
 
+    private List<string> FetchSamples(string fileDir)
+    {
+        var file = Path.Combine(fileDir, "samples.txt");
+        if (!File.Exists(file)) return new List<string>();
+
+        return File.ReadAllLines(file).ToList();
+    }
+
     private List<AgentTemplate> FetchTemplates(string fileDir)
     {
         var templates = new List<AgentTemplate>();

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

@@ -25,6 +25,11 @@ public partial class RoutingService : IRoutingService
         }
     }
 
+    public void RefreshDialogs()
+    {
+        _dialogs = null;
+    }
+
     public RoutingService(IServiceProvider services,
         RoutingSettings settings,
         ILogger<RoutingService> logger,

src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ProviderHelper.cs

@@ -23,16 +23,11 @@ public class ProviderHelper
         }
     }
 
-    public static List<RoleDialogModel> GetChatSamples(string sampleText)
+    public static List<RoleDialogModel> GetChatSamples(List<string> lines)
     {
         var samples = new List<RoleDialogModel>();
-        if (string.IsNullOrEmpty(sampleText))
-        {
-            return samples;
-        }
 
-        var lines = sampleText.Split('\n');
+        for (int i = 0; i < lines.Count; i++)
-        for (int i = 0; i < lines.Length; i++)
         {
             var line = lines[i];
             if (string.IsNullOrEmpty(line.Trim()))