完善提示词预设的接口，完善转发接口

LMS.Repository/Forward/ForwardModel.cs

@@ -0,0 +1,48 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace LMS.Repository.Forward;
+
+public class ForwardModel
+{
+    /// <summary>
+    /// 提示词类型ID
+    /// </summary>
+    [Required]
+    public string PromptTypeId { get; set; }
+
+    /// <summary>
+    /// 提示词ID
+    /// </summary>
+    [Required]
+    public string PromptId { get; set; }
+
+    /// <summary>
+    /// GPT 请求网址
+    /// </summary>
+    [Required]
+    public string GptUrl { get; set; }
+
+    /// <summary>
+    /// 调用的模型
+    /// </summary>
+    [Required]
+    public string Model { get; set; }
+
+    /// <summary>
+    /// 机器码
+    /// </summary>
+    [Required]
+    public string MachineId { get; set; }
+
+    /// <summary>
+    ///  API Key
+    /// </summary>
+    [Required]
+    public string ApiKey { get; set; }
+
+    /// <summary>
+    /// 处理之前的文案，基础文案
+    /// </summary>
+    [Required]
+    public string Word { get; set; } = string.Empty;
+}