feat: create chat message

src/AnthropicClient/Models/ChatResponse.cs

@@ -0,0 +1,51 @@
+using System.Text.Json.Serialization;
+
+namespace AnthropicClient.Models;
+
+/// <summary>
+/// Represents a chat response.
+/// </summary>
+public class ChatResponse
+{
+  /// <summary>
+  /// Gets the ID of the chat response.
+  /// </summary>
+  public string Id { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the model used for the chat response.
+  /// </summary>
+  public string Model { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the role of the chat response.
+  /// </summary>
+  public string Role { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the stop reason of the chat response.
+  /// </summary>
+  [JsonPropertyName("stop_reason")]
+  public string StopReason { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the stop sequence of the chat response.
+  /// </summary>
+  [JsonPropertyName("stop_sequence")]
+  public string StopSequence { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the type of the chat response.
+  /// </summary>
+  public string Type { get; set; } = string.Empty;
+
+  /// <summary>
+  /// Gets the usage of the chat response.
+  /// </summary>
+  public ChatUsage Usage { get; set; } = new();
+
+  /// <summary>
+  /// Gets the contents of the chat response.
+  /// </summary>
+  public List<Content> Content { get; set; } = [];
+}