feat: 完成图片异步生成

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Chat/ImageGenerationInput.cs

@@ -0,0 +1,22 @@
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
+
+/// <summary>
+/// 图片生成输入
+/// </summary>
+public class ImageGenerationInput
+{
+    /// <summary>
+    /// 提示词
+    /// </summary>
+    public string Prompt { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 模型ID
+    /// </summary>
+    public string ModelId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 参考图Base64列表（可选，包含前缀如 data:image/png;base64,...）
+    /// </summary>
+    public List<string>? ReferenceImagesBase64 { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Chat/ImageTaskOutput.cs

@@ -0,0 +1,49 @@
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
+
+/// <summary>
+/// 图片任务输出
+/// </summary>
+public class ImageTaskOutput
+{
+    /// <summary>
+    /// 任务ID
+    /// </summary>
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// 提示词
+    /// </summary>
+    public string Prompt { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 参考图Base64列表
+    /// </summary>
+    public List<string>? ReferenceImagesBase64 { get; set; }
+
+    /// <summary>
+    /// 参考图URL列表
+    /// </summary>
+    public List<string>? ReferenceImagesUrl { get; set; }
+
+    /// <summary>
+    /// 生成图片Base64（包含前缀）
+    /// </summary>
+    public string? StoreBase64 { get; set; }
+
+    /// <summary>
+    /// 生成图片URL
+    /// </summary>
+    public string? StoreUrl { get; set; }
+
+    /// <summary>
+    /// 任务状态
+    /// </summary>
+    public TaskStatusEnum TaskStatus { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreationTime { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Chat/ImageTaskPageInput.cs

@@ -0,0 +1,24 @@
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
+
+/// <summary>
+/// 图片任务分页查询输入
+/// </summary>
+public class ImageTaskPageInput
+{
+    /// <summary>
+    /// 页码（从1开始）
+    /// </summary>
+    public int PageIndex { get; set; } = 1;
+
+    /// <summary>
+    /// 每页数量
+    /// </summary>
+    public int PageSize { get; set; } = 10;
+
+    /// <summary>
+    /// 任务状态筛选（可选）
+    /// </summary>
+    public TaskStatusEnum? TaskStatus { get; set; }
+}