feat: 扩展领域模型与配置

src/Domain/TakeoutSaaS.Domain/Reservations/Enums/ReservationStatus.cs

@@ -0,0 +1,13 @@
+namespace TakeoutSaaS.Domain.Reservations.Enums;
+
+/// <summary>
+/// 预约状态。
+/// </summary>
+public enum ReservationStatus
+{
+    Pending = 0,
+    Confirmed = 1,
+    CheckedIn = 2,
+    Cancelled = 3,
+    NoShow = 4
+}