optimize AgentLlmConfig

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

@@ -2,6 +2,16 @@ namespace BotSharp.Abstraction.Agents.Models;
 
 public class AgentLlmConfig
 {
+    public AgentLlmConfig() { }
+
+    public AgentLlmConfig(AgentTemplateLlmConfig templateLlmConfig) 
+    {
+        Provider = templateLlmConfig.Provider;
+        Model = templateLlmConfig.Model;
+        MaxOutputTokens = templateLlmConfig.MaxOutputTokens;
+        ReasoningEffortLevel = templateLlmConfig.ReasoningEffortLevel;
+    }
+
     /// <summary>
     /// Is inherited from default Agent Settings
     /// </summary>

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

@@ -71,13 +71,7 @@ private async Task<Agent> BuildInnerAgent(InstructOptions? options)
                 var templateLlmConfig = template?.LlmConfig;
                 if (templateLlmConfig?.IsValid == true)
                 {
-                    llmConfig = new AgentLlmConfig
-                    {
-                        Provider = templateLlmConfig.Provider,
-                        Model = templateLlmConfig.Model,
-                        MaxOutputTokens = templateLlmConfig.MaxOutputTokens,
-                        ReasoningEffortLevel = templateLlmConfig.ReasoningEffortLevel
-                    };
+                    llmConfig = new AgentLlmConfig(templateLlmConfig);
                 }
             }
         }