feat: 完成会员消息触达后端模块

src/Domain/TakeoutSaaS.Domain/Membership/Entities/MemberReachRecipient.cs

@@ -0,0 +1,61 @@
+using TakeoutSaaS.Domain.Membership.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Membership.Entities;
+
+/// <summary>
+/// 会员消息触达收件明细。
+/// </summary>
+public sealed class MemberReachRecipient : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 消息标识。
+    /// </summary>
+    public long MessageId { get; set; }
+
+    /// <summary>
+    /// 会员标识。
+    /// </summary>
+    public long MemberId { get; set; }
+
+    /// <summary>
+    /// 渠道。
+    /// </summary>
+    public MemberMessageChannel Channel { get; set; } = MemberMessageChannel.InApp;
+
+    /// <summary>
+    /// 手机号快照。
+    /// </summary>
+    public string? Mobile { get; set; }
+
+    /// <summary>
+    /// 微信 OpenId 快照。
+    /// </summary>
+    public string? OpenId { get; set; }
+
+    /// <summary>
+    /// 发送状态。
+    /// </summary>
+    public MemberMessageRecipientStatus Status { get; set; } = MemberMessageRecipientStatus.Pending;
+
+    /// <summary>
+    /// 发送时间（UTC）。
+    /// </summary>
+    public DateTime? SentAt { get; set; }
+
+    /// <summary>
+    /// 已读时间（UTC）。
+    /// </summary>
+    public DateTime? ReadAt { get; set; }
+
+    /// <summary>
+    /// 转化时间（UTC）。
+    /// </summary>
+    public DateTime? ConvertedAt { get; set; }
+
+    /// <summary>
+    /// 失败摘要。
+    /// </summary>
+    public string? ErrorMessage { get; set; }
+}
+