feat: 扩展领域模型与配置

src/Domain/TakeoutSaaS.Domain/Inventory/Entities/InventoryAdjustment.cs

@@ -0,0 +1,40 @@
+using TakeoutSaaS.Domain.Inventory.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Inventory.Entities;
+
+/// <summary>
+/// 库存调整记录。
+/// </summary>
+public sealed class InventoryAdjustment : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 对应的库存记录标识。
+    /// </summary>
+    public Guid InventoryItemId { get; set; }
+
+    /// <summary>
+    /// 调整类型。
+    /// </summary>
+    public InventoryAdjustmentType AdjustmentType { get; set; } = InventoryAdjustmentType.Manual;
+
+    /// <summary>
+    /// 调整数量，正数增加，负数减少。
+    /// </summary>
+    public int Quantity { get; set; }
+
+    /// <summary>
+    /// 原因说明。
+    /// </summary>
+    public string? Reason { get; set; }
+
+    /// <summary>
+    /// 操作人标识。
+    /// </summary>
+    public Guid? OperatorId { get; set; }
+
+    /// <summary>
+    /// 发生时间。
+    /// </summary>
+    public DateTime OccurredAt { get; set; } = DateTime.UtcNow;
+}