Add ConversationEnding to IConversationHook

docs/architecture/hooks.md

@@ -21,6 +21,9 @@ Task BeforeCompletion();
 Task OnFunctionExecuting(RoleDialogModel message);
 Task OnFunctionExecuted(RoleDialogModel message);
 Task AfterCompletion(RoleDialogModel message);
+
+// LLM detected the user's intention to end the conversation
+Task ConversationEnding(RoleDialogModel conversation);
 ```
 More information about conversation hook please go to [Conversation Hook](../conversation/hook.md).
 

src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs

@@ -61,4 +61,9 @@ public abstract class ConversationHookBase : IConversationHook
         _dialogs = dialogs;
         return Task.CompletedTask;
     }
+
+    public virtual Task ConversationEnding(RoleDialogModel message)
+    {
+        return Task.CompletedTask;
+    }
 }

src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationHook.cs

@@ -24,4 +24,6 @@ public interface IConversationHook
     Task OnFunctionExecuting(RoleDialogModel message);
     Task OnFunctionExecuted(RoleDialogModel message);
     Task AfterCompletion(RoleDialogModel message);
+
+    Task ConversationEnding(RoleDialogModel conversation);
 }

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

@@ -6,10 +6,6 @@ public partial class ConversationService
 {
     public async Task CallFunctions(RoleDialogModel msg)
     {
-        var hooks = _services.GetServices<IConversationHook>()
-            .OrderBy(x => x.Priority)
-            .ToList();
-
         // Invoke functions
         var functions = _services.GetServices<IFunctionCallback>()
             .Where(x => x.Name == msg.FunctionName)
@@ -22,6 +18,10 @@ public partial class ConversationService
             return;
         }
 
+        var hooks = _services.GetServices<IConversationHook>()
+            .OrderBy(x => x.Priority)
+            .ToList();
+
         foreach (var fn in functions)
         {
             // Before executing functions

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

@@ -25,6 +25,16 @@ public class ConversationEndRoutingHandler : RoutingHandlerBase, IRoutingHandler
             FunctionName = inst.Function,
             ExecutionData = inst
         };
+
+        var hooks = _services.GetServices<IConversationHook>()
+            .OrderBy(x => x.Priority)
+            .ToList();
+
+        foreach (var hook in hooks)
+        {
+            await hook.OnFunctionExecuting(result);
+        }
+
         return result;
     }
 }

src/Infrastructure/BotSharp.OpenAPI/Controllers/AgentController.cs

@@ -29,12 +29,7 @@ public class AgentController : ControllerBase, IApiAdapter
     public async Task<List<AgentViewModel>> GetAgents()
     {
         var agents = await _agentService.GetAgents();
-
-        // Add the router as agent
-        var routing = _services.GetRequiredService<IRouterInstance>();
-        agents.Insert(0, routing.Load().Router);
-
-        return agents.Select(x => AgentViewModel.FromAgent(x)).ToList();
+         return agents.Select(x => AgentViewModel.FromAgent(x)).ToList();
     }
 
     [HttpPost("/agent")]