chore: import upstream snapshot with attribution

dotnet/samples/Demos/AgentFrameworkWithAspire/ChatWithAgent.Configuration/AzureOpenAIChatConfig.cs

@@ -0,0 +1,42 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.ComponentModel.DataAnnotations;
+
+namespace ChatWithAgent.Configuration;
+
+/// <summary>
+/// Azure OpenAI chat configuration.
+/// </summary>
+public sealed class AzureOpenAIChatConfig
+{
+    /// <summary>
+    /// Configuration section name.
+    /// </summary>
+    public const string ConfigSectionName = "AzureOpenAIChat";
+
+    /// <summary>
+    /// The name of the chat deployment.
+    /// </summary>
+    [Required]
+    public string DeploymentName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The name of the chat model.
+    /// </summary>
+    public string ModelName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The chat model version.
+    /// </summary>
+    public string ModelVersion { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The SKU name.
+    /// </summary>
+    public string? SkuName { get; set; }
+
+    /// <summary>
+    /// The SKU capacity
+    /// </summary>
+    public int? SkuCapacity { get; set; }
+}