feat: create chat message

src/AnthropicClient/Models/AnthropicError.cs

@@ -0,0 +1,34 @@
+using System.Text.Json.Serialization;
+
+namespace AnthropicClient.Models;
+
+/// <summary>
+/// Represents an error response from the Anthropic API.
+/// </summary>
+public class AnthropicError
+{
+  /// <summary>
+  /// The type of the error.
+  /// </summary>
+  public string Type { get; init; } = "error";
+
+  /// <summary>
+  /// The error object.
+  /// </summary>
+  public Error? Error { get; init; } = null;
+
+  [JsonConstructor]
+  internal AnthropicError()
+  {
+  }
+
+  /// <summary>
+  /// Initializes a new instance of the <see cref="AnthropicError"/> class.
+  /// </summary>
+  /// <param name="error">The error as an <see cref="Error"/> object.</param>
+  /// <returns>A new instance of the <see cref="AnthropicError"/> class.</returns>
+  public AnthropicError(Error error)
+  {
+    Error = error;
+  }
+}