From 0c2891f3510ad3a99187929d1b69e181801c8c03 Mon Sep 17 00:00:00 2001
From: westey <164392973+westey-m@users.noreply.github.com>
Date: Tue, 30 Sep 2025 16:54:36 +0100
Subject: [PATCH] .NET: Remove automatic messageId assignment to fix
 integration test (#1006)

* Remove automatic messageid asssignment to fix integration test

* Remove other overrides from ChatClientAgent as well.
---
 dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
index fe73ee1257..4f297f6eca 100644
--- a/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
@@ -145,8 +145,6 @@ public sealed class ChatClientAgent : AIAgent
         foreach (ChatMessage chatResponseMessage in chatResponse.Messages)
         {
             chatResponseMessage.AuthorName ??= agentName;
-            chatResponseMessage.MessageId ??= Guid.NewGuid().ToString("N");
-            chatResponseMessage.CreatedAt ??= DateTimeOffset.UtcNow;
         }
 
         // Only notify the thread of new messages if the chatResponse was successful to avoid inconsistent message state in the thread.
@@ -233,15 +231,12 @@ public sealed class ChatClientAgent : AIAgent
             throw;
         }
 
-        string? messageId = null;
         while (hasUpdates)
         {
             var update = responseUpdatesEnumerator.Current;
             if (update is not null)
             {
                 update.AuthorName ??= this.Name;
-                update.CreatedAt ??= DateTimeOffset.UtcNow;
-                update.MessageId ??= (messageId ??= Guid.NewGuid().ToString("N"));
 
                 responseUpdates.Add(update);
                 yield return new(update) { AgentId = this.Id };