Change agent load timing in InstructService.

docs/architecture/hooks.md

@@ -42,14 +42,13 @@ Task OnHumanInterventionNeeded(RoleDialogModel message);
 ```
 More information about conversation hook please go to [Conversation Hook](../conversation/hook.md).
 
-### Conversation State Hook
 `IConversationHook`
 ```csharp
 Task OnStateLoaded(ConversationState state);
 Task OnStateChanged(string name, string preValue, string currentValue);
 ```
 
-### Content Generating Hook
+## Content Generating Hook
 `IContentGeneratingHook`
 
 Model content generating hook, it can be used for logging, metrics and tracing.
@@ -59,4 +58,10 @@ Task BeforeGenerating(Agent agent, List<RoleDialogModel> conversations);
 
 // After content generated.
 Task AfterGenerated(RoleDialogModel message, TokenStatsModel tokenStats);
+```
+
+`IInstructHook`
+```csharp
+Task BeforeCompletion(Agent agent, RoleDialogModel message);
+Task AfterCompletion(Agent agent, InstructResult result);
 ```

src/Infrastructure/BotSharp.Abstraction/Instructs/IInstructHook.cs

@@ -5,6 +5,6 @@ namespace BotSharp.Abstraction.Instructs;
 public interface IInstructHook
 {
     string SelfId { get; }
-    Task BeforeCompletion(RoleDialogModel message);
+    Task BeforeCompletion(Agent agent, RoleDialogModel message);
-    Task AfterCompletion(InstructResult result);
+    Task AfterCompletion(Agent agent, InstructResult result);
 }

src/Infrastructure/BotSharp.Abstraction/Instructs/InstructHookBase.cs

@@ -5,12 +5,13 @@ namespace BotSharp.Abstraction.Instructs;
 public class InstructHookBase : IInstructHook
 {
     public virtual string SelfId => throw new NotImplementedException("Please set SelfId as agent id!");
-    public virtual async Task AfterCompletion(InstructResult result)
+
+    public virtual async Task BeforeCompletion(Agent agent, RoleDialogModel message)
     {
         return;
     }
 
-    public virtual async Task BeforeCompletion(RoleDialogModel message)
+    public virtual async Task AfterCompletion(Agent agent, InstructResult result)
     {
         return;
     }

src/Infrastructure/BotSharp.Core/Instructs/InstructService.cs

@@ -16,6 +16,9 @@ public partial class InstructService : IInstructService
 
     public async Task<InstructResult> Execute(string agentId, RoleDialogModel message, string? templateName = null)
     {
+        var agentService = _services.GetRequiredService<IAgentService>();
+        Agent agent = await agentService.LoadAgent(agentId);
+
         // Trigger before completion hooks
         var hooks = _services.GetServices<IInstructHook>();
         foreach (var hook in hooks)
@@ -25,7 +28,7 @@ public partial class InstructService : IInstructService
                 continue;
             }
 
-            await hook.BeforeCompletion(message);
+            await hook.BeforeCompletion(agent, message);
 
             // Interrupted by hook
             if (message.StopCompletion)
@@ -39,9 +42,7 @@ public partial class InstructService : IInstructService
         }
 
         // Render prompt
-        var agentService = _services.GetRequiredService<IAgentService>();
+        var prompt = string.IsNullOrEmpty(templateName) ?
-        Agent agent = await agentService.LoadAgent(agentId);
-        var prompt = string.IsNullOrEmpty(templateName) ? 
             agentService.RenderedInstruction(agent) :
             agentService.RenderedTemplate(agent, templateName);
 
@@ -60,7 +61,7 @@ public partial class InstructService : IInstructService
                 continue;
             }
 
-            await hook.AfterCompletion(response);
+            await hook.AfterCompletion(agent, response);
         }
 
         return response;

src/Infrastructure/BotSharp.Core/Users/Services/UserIdentity.cs

@@ -1,4 +1,3 @@
-using BotSharp.Abstraction.Users;
 using Microsoft.AspNetCore.Http;
 using System.Security.Claims;
 
@@ -15,11 +14,15 @@ public class UserIdentity : IUserIdentity
     }
 
 
-    public string Id => _claims.First(x => x.Type == ClaimTypes.NameIdentifier).Value;
+    public string Id 
+        => _claims.FirstOrDefault(x => x.Type == ClaimTypes.NameIdentifier)?.Value;
 
-    public string Email => _claims.First(x => x.Type == ClaimTypes.Email).Value;
+    public string Email 
+        => _claims.FirstOrDefault(x => x.Type == ClaimTypes.Email)?.Value;
 
-    public string FirstName => _claims.First(x => x.Type == ClaimTypes.GivenName).Value;
+    public string FirstName 
+        => _claims.FirstOrDefault(x => x.Type == ClaimTypes.GivenName)?.Value;
 
-    public string LastName => _claims.First(x => x.Type == ClaimTypes.Surname).Value;
+    public string LastName 
+        => _claims.FirstOrDefault(x => x.Type == ClaimTypes.Surname)?.Value;
 }