set json serializer option

Author: NoriZC

shell/agents/Microsoft.Azure.Agent/Command.cs

@@ -1,6 +1,8 @@
 using System.CommandLine;
 using System.Text;
+using System.Text.Encodings.Web;
 using System.Text.Json;
+using System.Text.Unicode;
 using AIShell.Abstraction;
 
 namespace Microsoft.Azure.Agent;
@@ -120,7 +122,7 @@ private void ReplaceAction()
 
                     _values.Add(item.Name, value);
                     _agent.SaveUserValue(item.Name, value);
-                    DetailedMessage.Add(item.Name.Trim(new Char[] { '<', '>' }), true);
+                    DetailedMessage.Add(item.Name, true);
 
                     if (nameArgInfo is not null && nameArgInfo.NamingRule.TryMatchName(value, out string prodName, out string envName))
                     {
@@ -130,13 +132,19 @@ private void ReplaceAction()
                 }
                 else
                 {
-                    DetailedMessage.Add(item.Name.Trim(new Char[] { '<', '>' }), false);
+                    DetailedMessage.Add(item.Name, false);
                 }
 
                 // Write an extra new line.
                 host.WriteLine();
             }
 
+            // Customize the Json Serializer Options to avoid unnecessary encoding.
+            var options = new JsonSerializerOptions
+            {
+                Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+            };
+
             // Send Telemetry for Replace Action.
             if (!MetricHelper.TelemetryOptOut)
             {
@@ -148,7 +156,7 @@ private void ReplaceAction()
                         ActivityId = _agent._copilotResponse.ReplyToId,
                         EventType = "UserAction",
                         TopicName = _agent._copilotResponse.TopicName,
-                        DetailedMessage = JsonSerializer.Serialize(DetailedMessage)
+                        DetailedMessage = JsonSerializer.Serialize(DetailedMessage, options)
                     });
             }
         }