feat: 新增规格做法模板管理接口与数据模型

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs

@@ -201,6 +201,18 @@ public sealed class TakeoutAppDbContext(
     /// </summary>
     public DbSet<ProductAttributeOption> ProductAttributeOptions => Set<ProductAttributeOption>();
     /// <summary>
+    /// 门店规格做法模板。
+    /// </summary>
+    public DbSet<ProductSpecTemplate> ProductSpecTemplates => Set<ProductSpecTemplate>();
+    /// <summary>
+    /// 门店规格做法模板选项。
+    /// </summary>
+    public DbSet<ProductSpecTemplateOption> ProductSpecTemplateOptions => Set<ProductSpecTemplateOption>();
+    /// <summary>
+    /// 门店规格做法模板关联商品。
+    /// </summary>
+    public DbSet<ProductSpecTemplateProduct> ProductSpecTemplateProducts => Set<ProductSpecTemplateProduct>();
+    /// <summary>
     /// SKU 实体。
     /// </summary>
     public DbSet<ProductSku> ProductSkus => Set<ProductSku>();
@@ -441,6 +453,9 @@ public sealed class TakeoutAppDbContext(
         ConfigureProduct(modelBuilder.Entity<Product>());
         ConfigureProductAttributeGroup(modelBuilder.Entity<ProductAttributeGroup>());
         ConfigureProductAttributeOption(modelBuilder.Entity<ProductAttributeOption>());
+        ConfigureProductSpecTemplate(modelBuilder.Entity<ProductSpecTemplate>());
+        ConfigureProductSpecTemplateOption(modelBuilder.Entity<ProductSpecTemplateOption>());
+        ConfigureProductSpecTemplateProduct(modelBuilder.Entity<ProductSpecTemplateProduct>());
         ConfigureProductSku(modelBuilder.Entity<ProductSku>());
         ConfigureProductAddonGroup(modelBuilder.Entity<ProductAddonGroup>());
         ConfigureProductAddonOption(modelBuilder.Entity<ProductAddonOption>());
@@ -1164,6 +1179,43 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => new { x.TenantId, x.AttributeGroupId, x.Name }).IsUnique();
     }
 
+    private static void ConfigureProductSpecTemplate(EntityTypeBuilder<ProductSpecTemplate> builder)
+    {
+        builder.ToTable("product_spec_templates");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.TemplateType).HasConversion<int>();
+        builder.Property(x => x.SelectionType).HasConversion<int>();
+        builder.Property(x => x.SortOrder).IsRequired();
+        builder.Property(x => x.IsEnabled).IsRequired();
+        builder.Property(x => x.IsRequired).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.TemplateType, x.IsEnabled });
+    }
+
+    private static void ConfigureProductSpecTemplateOption(EntityTypeBuilder<ProductSpecTemplateOption> builder)
+    {
+        builder.ToTable("product_spec_template_options");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TemplateId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.ExtraPrice).HasPrecision(18, 2);
+        builder.Property(x => x.SortOrder).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.TemplateId, x.Name }).IsUnique();
+    }
+
+    private static void ConfigureProductSpecTemplateProduct(EntityTypeBuilder<ProductSpecTemplateProduct> builder)
+    {
+        builder.ToTable("product_spec_template_products");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.TemplateId).IsRequired();
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.TemplateId, x.ProductId }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ProductId });
+    }
+
     private static void ConfigureProductSku(EntityTypeBuilder<ProductSku> builder)
     {
         builder.ToTable("product_skus");

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs

@@ -133,6 +133,98 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .ToDictionaryAsync(item => item.CategoryId, item => item.Count, cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSpecTemplate>> GetSpecTemplatesByStoreAsync(long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        return await context.ProductSpecTemplates
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
+            .OrderBy(x => x.SortOrder)
+            .ThenBy(x => x.Id)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<ProductSpecTemplate?> FindSpecTemplateByIdAsync(long templateId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSpecTemplates
+            .Where(x => x.TenantId == tenantId && x.Id == templateId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsSpecTemplateNameAsync(long tenantId, long storeId, string name, long? excludeTemplateId = null, CancellationToken cancellationToken = default)
+    {
+        var normalizedName = (name ?? string.Empty).Trim();
+        var normalizedLower = normalizedName.ToLowerInvariant();
+        var query = context.ProductSpecTemplates
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                x.Name.ToLower() == normalizedLower);
+
+        if (excludeTemplateId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeTemplateId.Value);
+        }
+
+        return query.AnyAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSpecTemplateOption>> GetSpecTemplateOptionsByTemplateIdsAsync(IReadOnlyCollection<long> templateIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (templateIds.Count == 0)
+        {
+            return Array.Empty<ProductSpecTemplateOption>();
+        }
+
+        return await context.ProductSpecTemplateOptions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && templateIds.Contains(x.TemplateId))
+            .OrderBy(x => x.SortOrder)
+            .ThenBy(x => x.Id)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSpecTemplateProduct>> GetSpecTemplateProductsByTemplateIdsAsync(IReadOnlyCollection<long> templateIds, long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        if (templateIds.Count == 0)
+        {
+            return Array.Empty<ProductSpecTemplateProduct>();
+        }
+
+        return await context.ProductSpecTemplateProducts
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                templateIds.Contains(x.TemplateId))
+            .OrderBy(x => x.TemplateId)
+            .ThenBy(x => x.ProductId)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<long>> FilterExistingProductIdsAsync(long tenantId, long storeId, IReadOnlyCollection<long> productIds, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<long>();
+        }
+
+        return await context.Products
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                productIds.Contains(x.Id))
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task<IReadOnlyList<Product>> SearchPickerAsync(long tenantId, long storeId, long? categoryId, string? keyword, int limit, CancellationToken cancellationToken = default)
     {
@@ -422,6 +514,24 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         return context.ProductCategories.AddAsync(category, cancellationToken).AsTask();
     }
 
+    /// <inheritdoc />
+    public Task AddSpecTemplateAsync(ProductSpecTemplate template, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSpecTemplates.AddAsync(template, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddSpecTemplateOptionsAsync(IEnumerable<ProductSpecTemplateOption> options, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSpecTemplateOptions.AddRangeAsync(options, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddSpecTemplateProductsAsync(IEnumerable<ProductSpecTemplateProduct> relations, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSpecTemplateProducts.AddRangeAsync(relations, cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task AddProductAsync(Product product, CancellationToken cancellationToken = default)
     {
@@ -503,6 +613,13 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         return Task.CompletedTask;
     }
 
+    /// <inheritdoc />
+    public Task UpdateSpecTemplateAsync(ProductSpecTemplate template, CancellationToken cancellationToken = default)
+    {
+        context.ProductSpecTemplates.Update(template);
+        return Task.CompletedTask;
+    }
+
     /// <inheritdoc />
     public async Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -518,6 +635,23 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         context.ProductCategories.Remove(existing);
     }
 
+    /// <inheritdoc />
+    public async Task DeleteSpecTemplateAsync(long templateId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var existing = await context.ProductSpecTemplates
+            .Where(x => x.TenantId == tenantId && x.Id == templateId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing is null)
+        {
+            return;
+        }
+
+        await context.ProductSpecTemplates
+            .Where(x => x.TenantId == tenantId && x.Id == templateId)
+            .ExecuteDeleteAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -533,6 +667,25 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         context.ProductSkus.RemoveRange(skus);
     }
 
+    /// <inheritdoc />
+    public async Task RemoveSpecTemplateOptionsAsync(long templateId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        await context.ProductSpecTemplateOptions
+            .Where(x => x.TenantId == tenantId && x.TemplateId == templateId)
+            .ExecuteDeleteAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task RemoveSpecTemplateProductsAsync(long templateId, long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        await context.ProductSpecTemplateProducts
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                x.TemplateId == templateId)
+            .ExecuteDeleteAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task RemoveAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
     {

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260220112948_AddProductSpecTemplates.cs

@@ -0,0 +1,131 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddProductSpecTemplates : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "product_spec_template_options",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TemplateId = table.Column<long>(type: "bigint", nullable: false, comment: "模板 ID。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "选项名称。"),
+                    ExtraPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "附加价格。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_spec_template_options", x => x.Id);
+                },
+                comment: "规格做法模板选项。");
+
+            migrationBuilder.CreateTable(
+                name: "product_spec_template_products",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
+                    TemplateId = table.Column<long>(type: "bigint", nullable: false, comment: "模板 ID。"),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品 ID。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_spec_template_products", x => x.Id);
+                },
+                comment: "规格做法模板与商品关联。");
+
+            migrationBuilder.CreateTable(
+                name: "product_spec_templates",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "模板名称。"),
+                    TemplateType = table.Column<int>(type: "integer", nullable: false, comment: "模板类型。"),
+                    SelectionType = table.Column<int>(type: "integer", nullable: false, comment: "选择方式。"),
+                    IsRequired = table.Column<bool>(type: "boolean", nullable: false, comment: "是否必选。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_spec_templates", x => x.Id);
+                },
+                comment: "门店规格做法模板。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_spec_template_options_TenantId_TemplateId_Name",
+                table: "product_spec_template_options",
+                columns: new[] { "TenantId", "TemplateId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_spec_template_products_TenantId_StoreId_ProductId",
+                table: "product_spec_template_products",
+                columns: new[] { "TenantId", "StoreId", "ProductId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_spec_template_products_TenantId_StoreId_TemplateId_~",
+                table: "product_spec_template_products",
+                columns: new[] { "TenantId", "StoreId", "TemplateId", "ProductId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_spec_templates_TenantId_StoreId_Name",
+                table: "product_spec_templates",
+                columns: new[] { "TenantId", "StoreId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_spec_templates_TenantId_StoreId_TemplateType_IsEnab~",
+                table: "product_spec_templates",
+                columns: new[] { "TenantId", "StoreId", "TemplateType", "IsEnabled" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "product_spec_template_options");
+
+            migrationBuilder.DropTable(
+                name: "product_spec_template_products");
+
+            migrationBuilder.DropTable(
+                name: "product_spec_templates");
+        }
+    }
+}

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs

@@ -4664,6 +4664,215 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSpecTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板名称。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择方式。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<int>("TemplateType")
+                        .HasColumnType("integer")
+                        .HasComment("模板类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "TemplateType", "IsEnabled");
+
+                    b.ToTable("product_spec_templates", null, t =>
+                        {
+                            t.HasComment("门店规格做法模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSpecTemplateOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TemplateId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_spec_template_options", null, t =>
+                        {
+                            t.HasComment("规格做法模板选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSpecTemplateProduct", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductId");
+
+                    b.HasIndex("TenantId", "StoreId", "TemplateId", "ProductId")
+                        .IsUnique();
+
+                    b.ToTable("product_spec_template_products", null, t =>
+                        {
+                            t.HasComment("规格做法模板与商品关联。");
+                        });
+                });
+
             modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
                 {
                     b.Property<long>("Id")