optimize LoadAgent

src/Infrastructure/BotSharp.Abstraction/Utilities/ObjectExtensions.cs

@@ -0,0 +1,55 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using JsonSerializer = System.Text.Json.JsonSerializer;
+
+namespace BotSharp.Abstraction.Utilities
+{
+    public static class ObjectExtensions
+    {
+        private static readonly JsonSerializerOptions DefaultOptions = new()
+        {
+            ReferenceHandler = ReferenceHandler.IgnoreCycles
+        };
+        private static JsonSerializerSettings DefaultSettings = new()
+        {
+            ReferenceLoopHandling = ReferenceLoopHandling.Ignore
+        };
+
+        public static T DeepClone<T>(this T obj) where T : class
+        {
+            if (obj == null) return null;
+
+            try
+            {
+                var json = JsonSerializer.Serialize(obj, DefaultOptions);
+                return JsonSerializer.Deserialize<T>(json, DefaultOptions);
+            }
+            catch(Exception ex)
+            {
+                Console.WriteLine($"DeepClone Error:{ex}");
+                return DeepCloneWithNewtonsoft(obj);
+            }            
+        }
+
+        private static T DeepCloneWithNewtonsoft<T>(this T obj) where T : class
+        {
+            if (obj == null) return null;
+
+            try
+            {
+                var json = JsonConvert.SerializeObject(obj, DefaultSettings);
+                return JsonConvert.DeserializeObject<T>(json, DefaultSettings);
+            }
+            catch(Exception ex)
+            {
+                Console.WriteLine($"DeepClone Error:{ex}");
+                return obj;
+            }            
+        }
+    }
+}

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

@@ -14,7 +14,7 @@ public async Task<Agent> LoadAgent(string id, bool loadUtility = true)
 
         HookEmitter.Emit<IAgentHook>(_services, hook => hook.OnAgentLoading(ref id), id);
 
-        var agent = await GetAgent(id);
+        var agent = (await GetAgent(id)).DeepClone();
         if (agent == null) return null;
 
         agent.TemplateDict = [];