feat: migrate snowflake ids and refresh migrations

src/Domain/TakeoutSaaS.Domain/Products/Entities/Product.cs

@@ -11,12 +11,12 @@ public sealed class Product : MultiTenantEntityBase
     /// <summary>
     /// 所属门店。
     /// </summary>
-    public Guid StoreId { get; set; }
+    public long StoreId { get; set; }
 
     /// <summary>
     /// 所属分类。
     /// </summary>
-    public Guid CategoryId { get; set; }
+    public long CategoryId { get; set; }
 
     /// <summary>
     /// 商品编码。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductAddonGroup.cs

@@ -11,7 +11,7 @@ public sealed class ProductAddonGroup : MultiTenantEntityBase
     /// <summary>
     /// 所属商品。
     /// </summary>
-    public Guid ProductId { get; set; }
+    public long ProductId { get; set; }
 
     /// <summary>
     /// 分组名称。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductAddonOption.cs

@@ -10,7 +10,7 @@ public sealed class ProductAddonOption : MultiTenantEntityBase
     /// <summary>
     /// 所属加料分组。
     /// </summary>
-    public Guid AddonGroupId { get; set; }
+    public long AddonGroupId { get; set; }
 
     /// <summary>
     /// 选项名称。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductAttributeGroup.cs

@@ -11,7 +11,12 @@ public sealed class ProductAttributeGroup : MultiTenantEntityBase
     /// <summary>
     /// 关联门店，可为空表示所有门店共享。
     /// </summary>
-    public Guid? StoreId { get; set; }
+    public long? StoreId { get; set; }
+
+    /// <summary>
+    /// 所属商品标识。
+    /// </summary>
+    public long ProductId { get; set; }
 
     /// <summary>
     /// 分组名称，例如“辣度”“份量”。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductAttributeOption.cs

@@ -10,7 +10,7 @@ public sealed class ProductAttributeOption : MultiTenantEntityBase
     /// <summary>
     /// 所属规格组。
     /// </summary>
-    public Guid AttributeGroupId { get; set; }
+    public long AttributeGroupId { get; set; }
 
     /// <summary>
     /// 选项名称。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductCategory.cs

@@ -10,7 +10,7 @@ public sealed class ProductCategory : MultiTenantEntityBase
     /// <summary>
     /// 所属门店。
     /// </summary>
-    public Guid StoreId { get; set; }
+    public long StoreId { get; set; }
 
     /// <summary>
     /// 分类名称。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductMediaAsset.cs

@@ -11,7 +11,7 @@ public sealed class ProductMediaAsset : MultiTenantEntityBase
     /// <summary>
     /// 商品标识。
     /// </summary>
-    public Guid ProductId { get; set; }
+    public long ProductId { get; set; }
 
     /// <summary>
     /// 媒体类型。

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductPricingRule.cs

@@ -11,7 +11,7 @@ public sealed class ProductPricingRule : MultiTenantEntityBase
     /// <summary>
     /// 所属商品。
     /// </summary>
-    public Guid ProductId { get; set; }
+    public long ProductId { get; set; }
 
     /// <summary>
     /// 策略类型。
@@ -42,4 +42,9 @@ public sealed class ProductPricingRule : MultiTenantEntityBase
     /// 生效星期（JSON 数组）。
     /// </summary>
     public string? WeekdaysJson { get; set; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
 }

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductSku.cs

@@ -10,7 +10,7 @@ public sealed class ProductSku : MultiTenantEntityBase
     /// <summary>
     /// 所属商品标识。
     /// </summary>
-    public Guid ProductId { get; set; }
+    public long ProductId { get; set; }
 
     /// <summary>
     /// SKU 编码。
@@ -46,4 +46,9 @@ public sealed class ProductSku : MultiTenantEntityBase
     /// 规格属性 JSON（记录选项 ID）。
     /// </summary>
     public string AttributesJson { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
 }