.NET: Update Azure AI Projects to 3.0.0 beta 1

dotnet/Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="Azure.AI.AgentServer.Invocations" Version="1.0.0-beta.6" />
     <PackageVersion Include="Azure.AI.AgentServer.Responses" Version="1.0.0-beta.8" />
     <PackageVersion Include="Azure.Search.Documents" Version="12.0.0" />
-    <PackageVersion Include="Azure.AI.Projects" Version="2.1.0-beta.4" />
+    <PackageVersion Include="Azure.AI.Projects" Version="3.0.0-beta.1" />
     <PackageVersion Include="Azure.AI.Agents.Persistent" Version="1.2.0-beta.10" />
     <PackageVersion Include="Azure.Core" Version="1.62.0" />
     <PackageVersion Include="Azure.Identity" Version="1.21.0" />
@@ -84,7 +84,7 @@
     <PackageVersion Include="Microsoft.Extensions.AI.Evaluation" Version="10.9.0" />
     <PackageVersion Include="Microsoft.Extensions.AI.Evaluation.Quality" Version="10.9.0" />
     <PackageVersion Include="Microsoft.Extensions.AI.Evaluation.Safety" Version="10.9.0" />
-    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="10.6.0" />
+    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="10.9.0" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Compliance.Abstractions" Version="10.5.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="10.0.11" />
@@ -128,7 +128,7 @@
     <PackageVersion Include="Microsoft.ML.OnnxRuntimeGenAI" Version="0.10.0" />
     <PackageVersion Include="Microsoft.ML.Tokenizers" Version="2.0.0" />
     <PackageVersion Include="OllamaSharp" Version="5.4.8" />
-    <PackageVersion Include="OpenAI" Version="2.10.0" />
+    <PackageVersion Include="OpenAI" Version="2.12.0" />
     <!-- Identity -->
     <PackageVersion Include="Microsoft.Identity.Client.Extensions.Msal" Version="4.84.2" />
     <!-- Workflows -->

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step02.2_MultiturnWithServerConversations/Program.cs

@@ -8,6 +8,7 @@
 using Azure.AI.Projects;
 using Azure.Identity;
 using Microsoft.Agents.AI;
+using OpenAI.Conversations;
 
 string endpoint = Environment.GetEnvironmentVariable("FOUNDRY_PROJECT_ENDPOINT") ?? throw new InvalidOperationException("FOUNDRY_PROJECT_ENDPOINT is not set.");
 string deploymentName = Environment.GetEnvironmentVariable("FOUNDRY_MODEL") ?? "gpt-5.4-mini";
@@ -24,9 +25,9 @@
             .GetProjectOpenAIClient()
             .GetProjectConversationsClient();
 
-ProjectConversation conversation = (await conversationsClient.CreateProjectConversationAsync().ConfigureAwait(false)).Value;
+ConversationResource conversation = (await conversationsClient.CreateProjectConversationAsync().ConfigureAwait(false)).Value;
 
-// CreateConversationSessionAsync creates a server-side ProjectConversation
+// CreateConversationSessionAsync creates a server-side ConversationResource
 // that persists on the Foundry service and is visible in the Foundry Project UI.
 AgentSession session = await agent.CreateSessionAsync(conversation.Id);
 

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step18_BingCustomSearch/Agent_Step18_BingCustomSearch.csproj

@@ -6,6 +6,7 @@
 
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <NoWarn>$(NoWarn);AAIP001</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step19_SharePoint/Agent_Step19_SharePoint.csproj

@@ -6,6 +6,7 @@
 
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <NoWarn>$(NoWarn);AAIP001</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step20_MicrosoftFabric/Agent_Step20_MicrosoftFabric.csproj

@@ -6,6 +6,7 @@
 
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <NoWarn>$(NoWarn);AAIP001</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step22_MemorySearch/Agent_Step22_MemorySearch.csproj

@@ -6,6 +6,7 @@
 
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <NoWarn>$(NoWarn);AAIP001</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

dotnet/samples/02-agents/AgentProviders/foundry/Agent_Step22_MemorySearch/Program.cs

@@ -6,7 +6,6 @@
 
 using Azure.AI.Extensions.OpenAI;
 using Azure.AI.Projects;
-using Azure.AI.Projects.Agents;
 using Azure.AI.Projects.Memory;
 using Azure.Identity;
 using Microsoft.Agents.AI;
@@ -29,7 +28,7 @@ Use the memory search tool to recall relevant information from previous interact
 
 string userScope = $"user_{Environment.MachineName}";
 
-MemorySearchPreviewTool memorySearchTool = new(memoryStoreName, userScope) { UpdateDelayInSecs = 0 };
+MemorySearchPreviewTool memorySearchTool = new(memoryStoreName, userScope) { UpdateDelayInSeconds = 0 };
 // WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
 // In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
 // latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
@@ -66,7 +65,7 @@ Use the memory search tool to recall relevant information from previous interact
                 Console.WriteLine($"  - Memory ID: {memoryItem.MemoryId}");
                 Console.WriteLine($"    Scope: {memoryItem.Scope}");
                 Console.WriteLine($"    Content: {memoryItem.Content}");
-                Console.WriteLine($"    Updated: {memoryItem.UpdatedAt}");
+                Console.WriteLine($"    Updated: {memoryItem.UpdatedOn}");
             }
         }
     }

dotnet/samples/02-agents/AgentWithMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory/AgentWithMemory_Step06_MemoryUsingAgentMemory.csproj

@@ -42,7 +42,7 @@
     <PackageReference Include="AgentMemory.AgentFramework" Version="1.4.1" />
     <!-- Microsoft Agent Framework (matches AgentMemory's target) + the OpenAI/Foundry chat & embedding clients. -->
     <PackageReference Include="Microsoft.Agents.AI" Version="1.9.0" />
-    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.5.1" />
+    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.9.0" />
     <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.17" />
     <!-- Transitive dependency of Microsoft.Agents.AI; pinned explicitly (CPM is off here) because the

dotnet/samples/03-workflows/Declarative/HostedWorkflow/Program.cs

@@ -3,14 +3,14 @@
 // Uncomment this to enable JSON checkpointing to the local file system.
 //#define CHECKPOINT_JSON
 
-using Azure.AI.Extensions.OpenAI;
 using Azure.AI.Projects;
 using Azure.AI.Projects.Agents;
 using Azure.Identity;
 using Microsoft.Agents.AI;
 using Microsoft.Agents.AI.Foundry;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.Configuration;
+using OpenAI.Conversations;
 using Shared.Foundry;
 using Shared.Workflows;
 
@@ -54,7 +54,7 @@ public static async Task Main(string[] args)
 
         AgentSession session = await agent.CreateSessionAsync();
 
-        ProjectConversation conversation =
+        ConversationResource conversation =
             await aiProjectClient
                 .GetProjectOpenAIClient()
                 .GetProjectConversationsClient()

dotnet/samples/04-hosting/FoundryHostedAgents/responses/Hosted-Steering/HostedSteering.csproj

@@ -30,7 +30,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.Projects" Version="2.1.0-beta.4" />
+    <PackageReference Include="Azure.AI.Projects" Version="3.0.0-beta.1" />
     <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="DotNetEnv" Version="3.1.1" />
   </ItemGroup>

dotnet/samples/04-hosting/FoundryHostedAgents/responses/Hosted-Workflow-Handoff/HostedWorkflowHandoff.csproj

@@ -25,9 +25,9 @@
     <PackageReference Include="Microsoft.Agents.AI.Hosting" Version="$(AgentFrameworkVersion)" />
     <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="DotNetEnv" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.6.0" />
+    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.9.0" />
     <PackageReference Include="ModelContextProtocol" Version="2.1.0" />
-    <PackageReference Include="OpenAI" Version="2.10.0" />
+    <PackageReference Include="OpenAI" Version="2.12.0" />
   </ItemGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk.Web" />

dotnet/samples/04-hosting/FoundryHostedAgents/responses/Hosted-Workflow-Resilient/HostedWorkflowResilient.csproj

@@ -30,7 +30,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.Projects" Version="2.1.0-beta.4" />
+    <PackageReference Include="Azure.AI.Projects" Version="3.0.0-beta.1" />
     <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="DotNetEnv" Version="3.1.1" />
   </ItemGroup>

dotnet/samples/05-end-to-end/AgentWebChat/AgentWebChat.Web/OpenAIResponsesAgentClient.cs

@@ -5,7 +5,6 @@
 using System.Runtime.CompilerServices;
 using Microsoft.Agents.AI;
 using Microsoft.Extensions.AI;
-using OpenAI;
 using OpenAI.Responses;
 
 namespace AgentWebChat.Web;
@@ -21,7 +20,7 @@ public override async IAsyncEnumerable<AgentResponseUpdate> RunStreamingAsync(
         string? sessionId = null,
         [EnumeratorCancellation] CancellationToken cancellationToken = default)
     {
-        OpenAIClientOptions options = new()
+        ResponsesClientOptions options = new()
         {
             Endpoint = new Uri(httpClient.BaseAddress!, $"/{Uri.EscapeDataString(agentName)}/v1/"),
             Transport = new HttpClientPipelineTransport(httpClient)

dotnet/src/Microsoft.Agents.AI.Foundry.Hosting/HostedAgentUserAgentPolicy.cs

@@ -29,7 +29,7 @@ namespace Microsoft.Agents.AI.Foundry.Hosting;
 /// hosted form so the wire never carries both forms simultaneously, preserving Python parity.
 /// </para>
 /// <para>
-/// This policy is added at hosted-agent resolution time via the MEAI 10.5.1
+/// This policy is added at hosted-agent resolution time via the MEAI 10.9.0
 /// <see cref="OpenAIRequestPolicies"/> hook on the agent's underlying chat client. It is only
 /// registered when an agent is resolved by the Foundry hosting layer.
 /// </para>

dotnet/src/Microsoft.Agents.AI.Foundry.Hosting/ServiceCollectionExtensions.cs

@@ -685,7 +685,7 @@ private static CheckpointManager GetFoundryWorkflowCheckpointManager(ILoggerFact
     /// <summary>
     /// Registers the hosted-agent <c>User-Agent</c> supplement policy
     /// (<see cref="HostedAgentUserAgentPolicy"/>) on the agent's underlying chat client via the
-    /// MEAI 10.5.1 <see cref="OpenAIRequestPolicies"/> hook so every outgoing OpenAI Responses
+    /// MEAI 10.9.0 <see cref="OpenAIRequestPolicies"/> hook so every outgoing OpenAI Responses
     /// request carries the segment <c>foundry-hosting/agent-framework-dotnet/{version}</c>.
     /// </summary>
     /// <remarks>

dotnet/src/Microsoft.Agents.AI.Foundry/ClientHeadersExtensions.cs

@@ -26,7 +26,7 @@ namespace Microsoft.Agents.AI.Foundry;
 /// Headers are only delivered to the wire when:
 /// <list type="number">
 /// <item><description>the agent has been wrapped with <see cref="UseClientHeaders(AIAgentBuilder)"/> (or built via a Foundry factory that pre-wires it), and</description></item>
-/// <item><description>the underlying <see cref="IChatClient"/> exposes the experimental MEAI 10.5.1 <see cref="OpenAIRequestPolicies"/> service (true for OpenAI-backed clients).</description></item>
+/// <item><description>the underlying <see cref="IChatClient"/> exposes the experimental MEAI 10.9.0 <see cref="OpenAIRequestPolicies"/> service (true for OpenAI-backed clients).</description></item>
 /// </list>
 /// When either condition is not met the call is a silent no-op.
 /// </para>

dotnet/src/Microsoft.Agents.AI.Foundry/ClientHeadersPolicy.cs

@@ -17,7 +17,7 @@ namespace Microsoft.Agents.AI.Foundry;
 /// </summary>
 /// <remarks>
 /// <para>
-/// Registered once per <see cref="OpenAIRequestPolicies"/> instance via the new MEAI 10.5.1
+/// Registered once per <see cref="OpenAIRequestPolicies"/> instance via the MEAI 10.9.0
 /// extension hook. Headers are written using <see cref="PipelineRequestHeaders.Set(string, string)"/>
 /// so per-call values overwrite anything stamped earlier in the pipeline (for example by static
 /// pipeline policies registered on the underlying client). This also makes accidental double
@@ -61,7 +61,7 @@ private static void Stamp(PipelineMessage message)
 }
 
 /// <summary>
-/// Best-effort reflection helpers for <see cref="OpenAIRequestPolicies"/>. MEAI 10.5.1 does not
+/// Best-effort reflection helpers for <see cref="OpenAIRequestPolicies"/>. MEAI 10.9.0 does not
 /// publicly expose its registered-policies list, so we reach into the private <c>_entries</c>
 /// field to detect duplicate registrations of <see cref="ClientHeadersPolicy.Instance"/>.
 /// </summary>

dotnet/src/Microsoft.Agents.AI.Foundry/Microsoft.Agents.AI.Foundry.csproj

@@ -1,12 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!-- Preview while we depend on Azure.AI.Projects 2.1.0-beta.1 for hosted-agent routing
+    <!-- Preview while we depend on Azure.AI.Projects 3.0.0-beta.1 for hosted-agent routing
          (ProjectOpenAIClientOptions.AgentName, the (AuthenticationPolicy, options) ctor, and
          related per-agent endpoint surface). Flip back to IsReleased=true once Azure.AI.Projects
-         ships a stable 2.1.0. -->
+         ships a stable 3.0.0. -->
     <InjectSharedFeatureUsageUserAgent>true</InjectSharedFeatureUsageUserAgent>
     <InjectSharedThrow>true</InjectSharedThrow>
+    <NoWarn>$(NoWarn);AAIP001;OPENAI001;SCME0001</NoWarn>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />

dotnet/src/Microsoft.Agents.AI.Foundry/ServedModelPolicy.cs

@@ -18,7 +18,7 @@ namespace Microsoft.Agents.AI.Foundry;
 /// can overwrite <c>ChatResponse.ModelId</c> with the true model name.
 /// </para>
 /// <para>
-/// Registered once per <c>OpenAIRequestPolicies</c> instance via the MEAI 10.5.1 extension hook.
+/// Registered once per <c>OpenAIRequestPolicies</c> instance via the MEAI 10.9.0 extension hook.
 /// When the header is absent (non-Azure endpoints), the scope is not set and the
 /// <see cref="FoundryChatClient"/> preserves the original model name.
 /// </para>

dotnet/src/Microsoft.Agents.AI.Workflows.Declarative.Foundry/AzureAgentProvider.cs

@@ -15,6 +15,7 @@
 using Azure.AI.Projects.Agents;
 using Azure.Core;
 using Microsoft.Extensions.AI;
+using OpenAI.Conversations;
 using OpenAI.Responses;
 
 namespace Microsoft.Agents.AI.Workflows.Declarative;
@@ -53,7 +54,7 @@ public sealed class AzureAgentProvider(Uri projectEndpoint, TokenCredential proj
     /// <inheritdoc/>
     public override async Task<string> CreateConversationAsync(CancellationToken cancellationToken = default)
     {
-        ProjectConversation conversation =
+        ConversationResource conversation =
             await this.GetConversationClient()
                 .CreateProjectConversationAsync(options: null, cancellationToken).ConfigureAwait(false);
 
@@ -280,8 +281,8 @@ private async Task<AIAgent> GetAgentAsync(ProjectsAgentVersion agentVersion, Can
     /// <inheritdoc/>
     public override async Task<ChatMessage> GetMessageAsync(string conversationId, string messageId, CancellationToken cancellationToken = default)
     {
-        AgentResponseItem responseItem = await this.GetConversationClient().GetProjectConversationItemAsync(conversationId, messageId, include: null, cancellationToken).ConfigureAwait(false);
-        ResponseItem[] items = [responseItem.AsResponseResultItem()];
+        ResponseItem responseItem = await this.GetConversationClient().GetProjectConversationItemAsync(conversationId, messageId, include: null, cancellationToken).ConfigureAwait(false);
+        ResponseItem[] items = [responseItem];
         ChatMessage[] messages = [.. items.AsChatMessages()];
         if (messages.Length != 1)
         {
@@ -303,9 +304,9 @@ public override async IAsyncEnumerable<ChatMessage> GetMessagesAsync(
     {
         AgentListOrder order = newestFirst ? AgentListOrder.Ascending : AgentListOrder.Descending;
 
-        await foreach (AgentResponseItem responseItem in this.GetConversationClient().GetProjectConversationItemsAsync(conversationId, null, limit, order.ToString(), after, before, include: null, cancellationToken).ConfigureAwait(false))
+        await foreach (ResponseItem responseItem in this.GetConversationClient().GetProjectConversationItemsAsync(conversationId, null, limit, order.ToString(), after, before, include: null, cancellationToken).ConfigureAwait(false))
         {
-            ResponseItem[] items = [responseItem.AsResponseResultItem()];
+            ResponseItem[] items = [responseItem];
             foreach (ChatMessage message in items.AsChatMessages())
             {
                 yield return message;

dotnet/tests/Foundry.Hosting.IntegrationTests/Fixtures/HostedAgentFixture.cs

@@ -157,9 +157,9 @@ public async Task<int> CountConversationItemsAsync(string conversationId)
     public async Task<List<(string Role, string Text)>> ReadConversationMessagesAsync(string conversationId)
     {
         List<(string Role, string Text)> messages = [];
-        await foreach (AgentResponseItem item in this.AgentOpenAIClient.GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc").ConfigureAwait(false))
+        await foreach (ResponseItem item in this.AgentOpenAIClient.GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc").ConfigureAwait(false))
         {
-            if (item.AsResponseResultItem() is MessageResponseItem message)
+            if (item is MessageResponseItem message)
             {
                 var text = string.Concat(message.Content
                     .Where(c => c.Kind is ResponseContentPartKind.OutputText or ResponseContentPartKind.InputText)

dotnet/tests/Foundry.Hosting.IntegrationTests/Foundry.Hosting.IntegrationTests.csproj

@@ -7,7 +7,7 @@
       inherits the default tests TFM list (net10.0;net472). The intersection is net10.0.
     -->
     <TargetFrameworks>net10.0</TargetFrameworks>
-    <NoWarn>$(NoWarn);CS8793;NU1605;NU1903;AAIP001</NoWarn>
+    <NoWarn>$(NoWarn);CS8793;NU1605;NU1903;AAIP001;SCME0001</NoWarn>
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
     <InjectSharedIntegrationTestCode>True</InjectSharedIntegrationTestCode>
     <InjectSharedIntegrationTestAzureCredentialsCode>True</InjectSharedIntegrationTestAzureCredentialsCode>

dotnet/tests/Foundry.IntegrationTests/Foundry.IntegrationTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <NoWarn>$(NoWarn);CS8793</NoWarn>
+    <NoWarn>$(NoWarn);AAIP001;CS8793</NoWarn>
     <InjectSharedIntegrationTestCode>True</InjectSharedIntegrationTestCode>
     <InjectSharedIntegrationTestAzureCredentialsCode>True</InjectSharedIntegrationTestAzureCredentialsCode>
   </PropertyGroup>

dotnet/tests/Foundry.IntegrationTests/FoundryVersionedAgentFixture.cs

@@ -6,7 +6,6 @@
 using System.Threading.Tasks;
 using AgentConformance.IntegrationTests;
 using AgentConformance.IntegrationTests.Support;
-using Azure.AI.Extensions.OpenAI;
 using Azure.AI.Projects;
 using Azure.AI.Projects.Agents;
 using Microsoft.Agents.AI;
@@ -97,10 +96,9 @@ private static ChatMessage ConvertToChatMessage(ResponseItem item)
     private async Task<List<ChatMessage>> GetChatHistoryFromConversationAsync(string conversationId)
     {
         List<ChatMessage> messages = [];
-        await foreach (AgentResponseItem item in this._client.GetProjectOpenAIClient().GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc"))
+        await foreach (ResponseItem item in this._client.GetProjectOpenAIClient().GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc"))
         {
-            var openAIItem = item.AsResponseResultItem();
-            if (openAIItem is MessageResponseItem messageItem)
+            if (item is MessageResponseItem messageItem)
             {
                 messages.Add(new ChatMessage
                 {

dotnet/tests/Foundry.IntegrationTests/ResponsesAgentExtensionCreateTests.cs

@@ -7,6 +7,7 @@
 using Azure.AI.Projects;
 using Microsoft.Agents.AI;
 using Microsoft.Extensions.AI;
+using OpenAI.Conversations;
 using Shared.IntegrationTests;
 
 namespace Foundry.IntegrationTests;
@@ -130,7 +131,7 @@ private static async Task DeleteResponseChainAsync(AIProjectClient client, strin
         }
     }
 
-    private static async Task<ProjectConversation> CreateConversationAsync(AIProjectClient client)
+    private static async Task<ConversationResource> CreateConversationAsync(AIProjectClient client)
     {
         ProjectConversationsClient conversationsClient = client.GetProjectOpenAIClient().GetProjectConversationsClient();
         return (await conversationsClient.CreateProjectConversationAsync()).Value!;

dotnet/tests/Foundry.IntegrationTests/ResponsesAgentFixture.cs

@@ -6,7 +6,6 @@
 using System.Threading.Tasks;
 using AgentConformance.IntegrationTests;
 using AgentConformance.IntegrationTests.Support;
-using Azure.AI.Extensions.OpenAI;
 using Azure.AI.Projects;
 using Microsoft.Agents.AI;
 using Microsoft.Extensions.AI;
@@ -88,10 +87,9 @@ private static ChatMessage ConvertToChatMessage(ResponseItem item)
     private async Task<List<ChatMessage>> GetChatHistoryFromConversationAsync(string conversationId)
     {
         List<ChatMessage> messages = [];
-        await foreach (AgentResponseItem item in this._client.GetProjectOpenAIClient().GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc"))
+        await foreach (ResponseItem item in this._client.GetProjectOpenAIClient().GetProjectConversationsClient().GetProjectConversationItemsAsync(conversationId, order: "asc"))
         {
-            var openAIItem = item.AsResponseResultItem();
-            if (openAIItem is MessageResponseItem messageItem)
+            if (item is MessageResponseItem messageItem)
             {
                 messages.Add(new ChatMessage
                 {