using System.Text.Json.Serialization; namespace AxCopilot.Models; public class ImageAttachment { [JsonPropertyName("base64")] public string Base64 { get; set; } = ""; [JsonPropertyName("mimeType")] public string MimeType { get; set; } = "image/png"; [JsonPropertyName("fileName")] public string FileName { get; set; } = ""; }