feat(product): add product schedule management api

src/Api/TakeoutSaaS.TenantApi/Contracts/Product/ProductScheduleContracts.cs

@@ -0,0 +1,156 @@
+namespace TakeoutSaaS.TenantApi.Contracts.Product;
+
+/// <summary>
+/// 商品时段规则列表查询请求。
+/// </summary>
+public sealed class ProductScheduleListRequest
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public string StoreId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 关键字。
+    /// </summary>
+    public string? Keyword { get; set; }
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string? Status { get; set; }
+}
+
+/// <summary>
+/// 保存商品时段规则请求。
+/// </summary>
+public sealed class SaveProductScheduleRequest
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public string StoreId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 规则 ID（编辑时传）。
+    /// </summary>
+    public string? Id { get; set; }
+
+    /// <summary>
+    /// 规则名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间（HH:mm）。
+    /// </summary>
+    public string StartTime { get; set; } = "00:00";
+
+    /// <summary>
+    /// 结束时间（HH:mm）。
+    /// </summary>
+    public string EndTime { get; set; } = "00:00";
+
+    /// <summary>
+    /// 适用星期（1-7）。
+    /// </summary>
+    public List<int> WeekDays { get; set; } = [];
+
+    /// <summary>
+    /// 关联商品 ID 列表。
+    /// </summary>
+    public List<string> ProductIds { get; set; } = [];
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; set; } = "enabled";
+}
+
+/// <summary>
+/// 删除商品时段规则请求。
+/// </summary>
+public sealed class DeleteProductScheduleRequest
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public string StoreId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public string ScheduleId { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// 修改商品时段规则状态请求。
+/// </summary>
+public sealed class ChangeProductScheduleStatusRequest
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public string StoreId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public string ScheduleId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; set; } = "enabled";
+}
+
+/// <summary>
+/// 商品时段规则列表项响应。
+/// </summary>
+public sealed class ProductScheduleItemResponse
+{
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public string Id { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 规则名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间（HH:mm）。
+    /// </summary>
+    public string StartTime { get; set; } = "00:00";
+
+    /// <summary>
+    /// 结束时间（HH:mm）。
+    /// </summary>
+    public string EndTime { get; set; } = "00:00";
+
+    /// <summary>
+    /// 适用星期（1-7）。
+    /// </summary>
+    public List<int> WeekDays { get; set; } = [];
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; set; } = "enabled";
+
+    /// <summary>
+    /// 关联商品数量。
+    /// </summary>
+    public int ProductCount { get; set; }
+
+    /// <summary>
+    /// 关联商品 ID 列表。
+    /// </summary>
+    public List<string> ProductIds { get; set; } = [];
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public string UpdatedAt { get; set; } = string.Empty;
+}

src/Api/TakeoutSaaS.TenantApi/Controllers/ProductScheduleController.cs

@@ -0,0 +1,139 @@
+using MediatR;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Web.Api;
+using TakeoutSaaS.TenantApi.Contracts.Product;
+
+namespace TakeoutSaaS.TenantApi.Controllers;
+
+/// <summary>
+/// 租户端商品时段规则管理。
+/// </summary>
+[ApiVersion("1.0")]
+[Authorize]
+[Route("api/tenant/v{version:apiVersion}/product")]
+public sealed class ProductScheduleController(
+    IMediator mediator,
+    TakeoutAppDbContext dbContext,
+    StoreContextService storeContextService) : BaseApiController
+{
+    /// <summary>
+    /// 商品时段规则列表。
+    /// </summary>
+    [HttpGet("schedule/list")]
+    [ProducesResponseType(typeof(ApiResponse<IReadOnlyList<ProductScheduleItemResponse>>), StatusCodes.Status200OK)]
+    public async Task<ApiResponse<IReadOnlyList<ProductScheduleItemResponse>>> GetScheduleList(
+        [FromQuery] ProductScheduleListRequest request,
+        CancellationToken cancellationToken)
+    {
+        var storeId = StoreApiHelpers.ParseRequiredSnowflake(request.StoreId, nameof(request.StoreId));
+        await EnsureStoreAccessibleAsync(storeId, cancellationToken);
+
+        var result = await mediator.Send(new GetProductScheduleListQuery
+        {
+            StoreId = storeId,
+            Keyword = request.Keyword,
+            Status = request.Status
+        }, cancellationToken);
+
+        return ApiResponse<IReadOnlyList<ProductScheduleItemResponse>>.Ok(result.Select(MapScheduleItem).ToList());
+    }
+
+    /// <summary>
+    /// 保存商品时段规则。
+    /// </summary>
+    [HttpPost("schedule/save")]
+    [ProducesResponseType(typeof(ApiResponse<ProductScheduleItemResponse>), StatusCodes.Status200OK)]
+    public async Task<ApiResponse<ProductScheduleItemResponse>> SaveSchedule(
+        [FromBody] SaveProductScheduleRequest request,
+        CancellationToken cancellationToken)
+    {
+        var storeId = StoreApiHelpers.ParseRequiredSnowflake(request.StoreId, nameof(request.StoreId));
+        await EnsureStoreAccessibleAsync(storeId, cancellationToken);
+
+        var result = await mediator.Send(new SaveProductScheduleCommand
+        {
+            StoreId = storeId,
+            ScheduleId = StoreApiHelpers.ParseSnowflakeOrNull(request.Id),
+            Name = request.Name,
+            StartTime = request.StartTime,
+            EndTime = request.EndTime,
+            WeekDays = request.WeekDays ?? [],
+            ProductIds = StoreApiHelpers.ParseSnowflakeList(request.ProductIds),
+            Status = request.Status
+        }, cancellationToken);
+
+        return ApiResponse<ProductScheduleItemResponse>.Ok(MapScheduleItem(result));
+    }
+
+    /// <summary>
+    /// 删除商品时段规则。
+    /// </summary>
+    [HttpPost("schedule/delete")]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
+    public async Task<ApiResponse<object>> DeleteSchedule(
+        [FromBody] DeleteProductScheduleRequest request,
+        CancellationToken cancellationToken)
+    {
+        var storeId = StoreApiHelpers.ParseRequiredSnowflake(request.StoreId, nameof(request.StoreId));
+        await EnsureStoreAccessibleAsync(storeId, cancellationToken);
+
+        await mediator.Send(new DeleteProductScheduleCommand
+        {
+            StoreId = storeId,
+            ScheduleId = StoreApiHelpers.ParseRequiredSnowflake(request.ScheduleId, nameof(request.ScheduleId))
+        }, cancellationToken);
+
+        return ApiResponse<object>.Ok(null);
+    }
+
+    /// <summary>
+    /// 修改商品时段规则状态。
+    /// </summary>
+    [HttpPost("schedule/status")]
+    [ProducesResponseType(typeof(ApiResponse<ProductScheduleItemResponse>), StatusCodes.Status200OK)]
+    public async Task<ApiResponse<ProductScheduleItemResponse>> ChangeScheduleStatus(
+        [FromBody] ChangeProductScheduleStatusRequest request,
+        CancellationToken cancellationToken)
+    {
+        var storeId = StoreApiHelpers.ParseRequiredSnowflake(request.StoreId, nameof(request.StoreId));
+        await EnsureStoreAccessibleAsync(storeId, cancellationToken);
+
+        var result = await mediator.Send(new ChangeProductScheduleStatusCommand
+        {
+            StoreId = storeId,
+            ScheduleId = StoreApiHelpers.ParseRequiredSnowflake(request.ScheduleId, nameof(request.ScheduleId)),
+            Status = request.Status
+        }, cancellationToken);
+
+        return ApiResponse<ProductScheduleItemResponse>.Ok(MapScheduleItem(result));
+    }
+
+    private async Task EnsureStoreAccessibleAsync(long storeId, CancellationToken cancellationToken)
+    {
+        var (tenantId, merchantId) = StoreApiHelpers.GetTenantMerchantContext(storeContextService);
+        await StoreApiHelpers.EnsureStoreAccessibleAsync(dbContext, tenantId, merchantId, storeId, cancellationToken);
+    }
+
+    private static ProductScheduleItemResponse MapScheduleItem(ProductScheduleItemDto source)
+    {
+        return new ProductScheduleItemResponse
+        {
+            Id = source.Id.ToString(),
+            Name = source.Name,
+            StartTime = source.StartTime,
+            EndTime = source.EndTime,
+            WeekDays = source.WeekDays.ToList(),
+            Status = source.Status,
+            ProductCount = source.ProductCount,
+            ProductIds = source.ProductIds.Select(item => item.ToString()).ToList(),
+            UpdatedAt = source.UpdatedAt.ToString("yyyy-MM-dd HH:mm:ss")
+        };
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/Commands/ChangeProductScheduleStatusCommand.cs

@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 修改商品时段规则状态命令。
+/// </summary>
+public sealed class ChangeProductScheduleStatusCommand : IRequest<ProductScheduleItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public long ScheduleId { get; init; }
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; init; } = "enabled";
+}

src/Application/TakeoutSaaS.Application/App/Products/Commands/DeleteProductScheduleCommand.cs

@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 删除商品时段规则命令。
+/// </summary>
+public sealed class DeleteProductScheduleCommand : IRequest
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public long ScheduleId { get; init; }
+}

src/Application/TakeoutSaaS.Application/App/Products/Commands/SaveProductScheduleCommand.cs

@@ -0,0 +1,50 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 保存商品时段规则命令。
+/// </summary>
+public sealed class SaveProductScheduleCommand : IRequest<ProductScheduleItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 规则 ID（编辑时传）。
+    /// </summary>
+    public long? ScheduleId { get; init; }
+
+    /// <summary>
+    /// 规则名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间（HH:mm）。
+    /// </summary>
+    public string StartTime { get; init; } = "00:00";
+
+    /// <summary>
+    /// 结束时间（HH:mm）。
+    /// </summary>
+    public string EndTime { get; init; } = "00:00";
+
+    /// <summary>
+    /// 星期列表（1-7）。
+    /// </summary>
+    public IReadOnlyList<int> WeekDays { get; init; } = [];
+
+    /// <summary>
+    /// 关联商品 ID 列表。
+    /// </summary>
+    public IReadOnlyList<long> ProductIds { get; init; } = [];
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; init; } = "enabled";
+}

src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductScheduleItemDto.cs

@@ -0,0 +1,52 @@
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 商品时段规则列表项 DTO。
+/// </summary>
+public sealed class ProductScheduleItemDto
+{
+    /// <summary>
+    /// 规则 ID。
+    /// </summary>
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 规则名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间（HH:mm）。
+    /// </summary>
+    public string StartTime { get; init; } = "00:00";
+
+    /// <summary>
+    /// 结束时间（HH:mm）。
+    /// </summary>
+    public string EndTime { get; init; } = "00:00";
+
+    /// <summary>
+    /// 星期列表（1-7）。
+    /// </summary>
+    public IReadOnlyList<int> WeekDays { get; init; } = [];
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string Status { get; init; } = "enabled";
+
+    /// <summary>
+    /// 关联商品数量。
+    /// </summary>
+    public int ProductCount { get; init; }
+
+    /// <summary>
+    /// 关联商品 ID 列表。
+    /// </summary>
+    public IReadOnlyList<long> ProductIds { get; init; } = [];
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime UpdatedAt { get; init; }
+}

src/Application/TakeoutSaaS.Application/App/Products/Handlers/ChangeProductScheduleStatusCommandHandler.cs

@@ -0,0 +1,52 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 修改商品时段规则状态命令处理器。
+/// </summary>
+public sealed class ChangeProductScheduleStatusCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ChangeProductScheduleStatusCommand, ProductScheduleItemDto>
+{
+    /// <inheritdoc />
+    public async Task<ProductScheduleItemDto> Handle(ChangeProductScheduleStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 解析状态并校验规则归属。
+        if (!ProductScheduleMapping.TryParseStatus(request.Status, out var isEnabled))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "status 参数不合法");
+        }
+
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await productRepository.FindScheduleByIdAsync(request.ScheduleId, tenantId, cancellationToken);
+        if (existing is null || existing.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "时段规则不存在");
+        }
+
+        // 2. 保存状态变更。
+        existing.IsEnabled = isEnabled;
+        await productRepository.UpdateScheduleAsync(existing, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 返回最新快照。
+        var relations = await productRepository.GetScheduleProductsByScheduleIdsAsync(
+            [existing.Id],
+            tenantId,
+            request.StoreId,
+            cancellationToken);
+        var productIdsLookup = relations
+            .GroupBy(x => x.ScheduleId)
+            .ToDictionary(group => group.Key, group => group.Select(item => item.ProductId).ToList());
+
+        return ProductScheduleDtoFactory.ToDto(existing, productIdsLookup);
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/Handlers/DeleteProductScheduleCommandHandler.cs

@@ -0,0 +1,34 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 删除商品时段规则命令处理器。
+/// </summary>
+public sealed class DeleteProductScheduleCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<DeleteProductScheduleCommand>
+{
+    /// <inheritdoc />
+    public async Task Handle(DeleteProductScheduleCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验规则存在且归属当前门店。
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await productRepository.FindScheduleByIdAsync(request.ScheduleId, tenantId, cancellationToken);
+        if (existing is null || existing.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "时段规则不存在");
+        }
+
+        // 2. 删除关联和主记录。
+        await productRepository.RemoveScheduleProductsAsync(existing.Id, tenantId, request.StoreId, cancellationToken);
+        await productRepository.DeleteScheduleAsync(existing.Id, tenantId, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductScheduleListQueryHandler.cs

@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品时段规则列表查询处理器。
+/// </summary>
+public sealed class GetProductScheduleListQueryHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetProductScheduleListQuery, IReadOnlyList<ProductScheduleItemDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductScheduleItemDto>> Handle(GetProductScheduleListQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 读取门店时段规则。
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var schedules = await productRepository.GetSchedulesByStoreAsync(tenantId, request.StoreId, cancellationToken);
+        if (schedules.Count == 0)
+        {
+            return [];
+        }
+
+        // 2. 按状态与关键字过滤。
+        IEnumerable<ProductSchedule> filtered = schedules;
+        if (!string.IsNullOrWhiteSpace(request.Status))
+        {
+            if (!ProductScheduleMapping.TryParseStatus(request.Status, out var isEnabled))
+            {
+                return [];
+            }
+
+            filtered = filtered.Where(item => item.IsEnabled == isEnabled);
+        }
+
+        var normalizedKeyword = request.Keyword?.Trim().ToLowerInvariant();
+        if (!string.IsNullOrWhiteSpace(normalizedKeyword))
+        {
+            filtered = filtered.Where(item => item.Name.ToLower().Contains(normalizedKeyword));
+        }
+
+        var filteredList = filtered
+            .OrderBy(item => item.Name)
+            .ThenBy(item => item.Id)
+            .ToList();
+        if (filteredList.Count == 0)
+        {
+            return [];
+        }
+
+        // 3. 批量读取关联商品并映射 DTO。
+        var scheduleIds = filteredList.Select(item => item.Id).ToList();
+        var relations = await productRepository.GetScheduleProductsByScheduleIdsAsync(
+            scheduleIds,
+            tenantId,
+            request.StoreId,
+            cancellationToken);
+        var productIdsLookup = relations
+            .GroupBy(x => x.ScheduleId)
+            .ToDictionary(group => group.Key, group => group.Select(item => item.ProductId).ToList());
+
+        return filteredList
+            .Select(schedule => ProductScheduleDtoFactory.ToDto(schedule, productIdsLookup))
+            .ToList();
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/Handlers/SaveProductScheduleCommandHandler.cs

@@ -0,0 +1,146 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 保存商品时段规则命令处理器。
+/// </summary>
+public sealed class SaveProductScheduleCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SaveProductScheduleCommand, ProductScheduleItemDto>
+{
+    /// <inheritdoc />
+    public async Task<ProductScheduleItemDto> Handle(SaveProductScheduleCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 归一化并校验输入。
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var normalizedName = request.Name.Trim();
+        if (string.IsNullOrWhiteSpace(normalizedName))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "规则名称不能为空");
+        }
+
+        if (!ProductScheduleMapping.TryParseStatus(request.Status, out var isEnabled))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "status 参数不合法");
+        }
+
+        if (!ProductScheduleMapping.TryParseTime(request.StartTime, out var startTime))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "开始时间格式必须为 HH:mm");
+        }
+
+        if (!ProductScheduleMapping.TryParseTime(request.EndTime, out var endTime))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "结束时间格式必须为 HH:mm");
+        }
+
+        if (startTime == endTime)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "开始和结束时间不能相同");
+        }
+
+        if (!ProductScheduleMapping.TryNormalizeWeekDays(request.WeekDays, out var normalizedWeekDays))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "请至少选择一个适用星期");
+        }
+
+        var normalizedProductIds = request.ProductIds
+            .Where(item => item > 0)
+            .Distinct()
+            .ToList();
+        var validProductIds = await productRepository.FilterExistingProductIdsAsync(
+            tenantId,
+            request.StoreId,
+            normalizedProductIds,
+            cancellationToken);
+        if (validProductIds.Count == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "请至少关联一个商品");
+        }
+
+        // 2. 校验门店内名称唯一。
+        var isDuplicate = await productRepository.ExistsScheduleNameAsync(
+            tenantId,
+            request.StoreId,
+            normalizedName,
+            request.ScheduleId,
+            cancellationToken);
+        if (isDuplicate)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "规则名称已存在");
+        }
+
+        // 3. 创建或更新规则主记录。
+        ProductSchedule schedule;
+        if (!request.ScheduleId.HasValue)
+        {
+            schedule = new ProductSchedule
+            {
+                StoreId = request.StoreId,
+                Name = normalizedName,
+                StartTime = startTime,
+                EndTime = endTime,
+                WeekDaysMask = ProductScheduleMapping.ToWeekDaysMask(normalizedWeekDays),
+                IsEnabled = isEnabled
+            };
+
+            await productRepository.AddScheduleAsync(schedule, cancellationToken);
+            await productRepository.SaveChangesAsync(cancellationToken);
+        }
+        else
+        {
+            var existing = await productRepository.FindScheduleByIdAsync(request.ScheduleId.Value, tenantId, cancellationToken);
+            if (existing is null || existing.StoreId != request.StoreId)
+            {
+                throw new BusinessException(ErrorCodes.NotFound, "时段规则不存在");
+            }
+
+            existing.Name = normalizedName;
+            existing.StartTime = startTime;
+            existing.EndTime = endTime;
+            existing.WeekDaysMask = ProductScheduleMapping.ToWeekDaysMask(normalizedWeekDays);
+            existing.IsEnabled = isEnabled;
+            schedule = existing;
+
+            await productRepository.UpdateScheduleAsync(schedule, cancellationToken);
+        }
+
+        // 4. 替换规则关联商品。
+        await productRepository.RemoveScheduleProductsAsync(schedule.Id, tenantId, request.StoreId, cancellationToken);
+        var relations = validProductIds
+            .Select(productId => new ProductScheduleProduct
+            {
+                StoreId = request.StoreId,
+                ScheduleId = schedule.Id,
+                ProductId = productId
+            })
+            .ToList();
+        if (relations.Count > 0)
+        {
+            await productRepository.AddScheduleProductsAsync(relations, cancellationToken);
+        }
+
+        await productRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 回读关联并返回最新快照。
+        var latestRelations = await productRepository.GetScheduleProductsByScheduleIdsAsync(
+            [schedule.Id],
+            tenantId,
+            request.StoreId,
+            cancellationToken);
+        var productIdsLookup = latestRelations
+            .GroupBy(x => x.ScheduleId)
+            .ToDictionary(group => group.Key, group => group.Select(item => item.ProductId).ToList());
+
+        return ProductScheduleDtoFactory.ToDto(schedule, productIdsLookup);
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/ProductScheduleDtoFactory.cs

@@ -0,0 +1,35 @@
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+
+namespace TakeoutSaaS.Application.App.Products;
+
+/// <summary>
+/// 商品时段规则 DTO 映射工厂。
+/// </summary>
+internal static class ProductScheduleDtoFactory
+{
+    /// <summary>
+    /// 将时段规则实体映射为页面 DTO。
+    /// </summary>
+    public static ProductScheduleItemDto ToDto(
+        ProductSchedule schedule,
+        IReadOnlyDictionary<long, List<long>> productIdsLookup)
+    {
+        var productIds = productIdsLookup.TryGetValue(schedule.Id, out var ids)
+            ? ids
+            : [];
+
+        return new ProductScheduleItemDto
+        {
+            Id = schedule.Id,
+            Name = schedule.Name,
+            StartTime = ProductScheduleMapping.ToTimeText(schedule.StartTime),
+            EndTime = ProductScheduleMapping.ToTimeText(schedule.EndTime),
+            WeekDays = ProductScheduleMapping.FromWeekDaysMask(schedule.WeekDaysMask),
+            Status = ProductScheduleMapping.ToStatusText(schedule.IsEnabled),
+            ProductCount = productIds.Count,
+            ProductIds = productIds,
+            UpdatedAt = schedule.UpdatedAt ?? schedule.CreatedAt
+        };
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/ProductScheduleMapping.cs

@@ -0,0 +1,102 @@
+using System.Globalization;
+
+namespace TakeoutSaaS.Application.App.Products;
+
+/// <summary>
+/// 商品时段规则映射辅助。
+/// </summary>
+internal static class ProductScheduleMapping
+{
+    /// <summary>
+    /// 解析状态字符串。
+    /// </summary>
+    public static bool TryParseStatus(string? status, out bool isEnabled)
+    {
+        var normalized = status?.Trim().ToLowerInvariant();
+        switch (normalized)
+        {
+            case "enabled":
+                isEnabled = true;
+                return true;
+            case "disabled":
+                isEnabled = false;
+                return true;
+            default:
+                isEnabled = true;
+                return false;
+        }
+    }
+
+    /// <summary>
+    /// 状态转字符串。
+    /// </summary>
+    public static string ToStatusText(bool isEnabled)
+    {
+        return isEnabled ? "enabled" : "disabled";
+    }
+
+    /// <summary>
+    /// 解析时间文本。
+    /// </summary>
+    public static bool TryParseTime(string? value, out TimeSpan parsed)
+    {
+        return TimeSpan.TryParseExact(
+            (value ?? string.Empty).Trim(),
+            "hh\\:mm",
+            CultureInfo.InvariantCulture,
+            out parsed);
+    }
+
+    /// <summary>
+    /// 时间转字符串。
+    /// </summary>
+    public static string ToTimeText(TimeSpan value)
+    {
+        return value.ToString("hh\\:mm", CultureInfo.InvariantCulture);
+    }
+
+    /// <summary>
+    /// 归一化星期列表（1-7）。
+    /// </summary>
+    public static bool TryNormalizeWeekDays(IEnumerable<int>? weekDays, out List<int> normalized)
+    {
+        normalized = (weekDays ?? [])
+            .Distinct()
+            .Where(day => day is >= 1 and <= 7)
+            .OrderBy(day => day)
+            .ToList();
+
+        return normalized.Count > 0;
+    }
+
+    /// <summary>
+    /// 星期列表转位掩码。
+    /// </summary>
+    public static int ToWeekDaysMask(IReadOnlyCollection<int> weekDays)
+    {
+        var mask = 0;
+        foreach (var day in weekDays)
+        {
+            mask |= 1 << (day - 1);
+        }
+
+        return mask;
+    }
+
+    /// <summary>
+    /// 位掩码转星期列表（1-7）。
+    /// </summary>
+    public static IReadOnlyList<int> FromWeekDaysMask(int mask)
+    {
+        var days = new List<int>(7);
+        for (var day = 1; day <= 7; day++)
+        {
+            if ((mask & (1 << (day - 1))) != 0)
+            {
+                days.Add(day);
+            }
+        }
+
+        return days;
+    }
+}

src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductScheduleListQuery.cs

@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Queries;
+
+/// <summary>
+/// 查询商品时段规则列表。
+/// </summary>
+public sealed class GetProductScheduleListQuery : IRequest<IReadOnlyList<ProductScheduleItemDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 关键字。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 状态（enabled/disabled）。
+    /// </summary>
+    public string? Status { get; init; }
+}

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

@@ -0,0 +1,39 @@
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Products.Entities;
+
+/// <summary>
+/// 商品时段规则（门店维度）。
+/// </summary>
+public sealed class ProductSchedule : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 所属门店。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 规则名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; set; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; set; }
+
+    /// <summary>
+    /// 星期位掩码（周一到周日）。
+    /// </summary>
+    public int WeekDaysMask { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+}

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

@@ -0,0 +1,24 @@
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Products.Entities;
+
+/// <summary>
+/// 时段规则与商品关联关系。
+/// </summary>
+public sealed class ProductScheduleProduct : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 所属门店。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 时段规则 ID。
+    /// </summary>
+    public long ScheduleId { get; set; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; set; }
+}

src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs

@@ -58,6 +58,11 @@ public interface IProductRepository
     /// </summary>
     Task<IReadOnlyList<ProductLabel>> GetLabelsByStoreAsync(long tenantId, long storeId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 按门店读取商品时段规则。
+    /// </summary>
+    Task<IReadOnlyList<ProductSchedule>> GetSchedulesByStoreAsync(long tenantId, long storeId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 依据标识读取规格做法模板。
     /// </summary>
@@ -73,6 +78,11 @@ public interface IProductRepository
     /// </summary>
     Task<ProductLabel?> FindLabelByIdAsync(long labelId, long tenantId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 依据标识读取商品时段规则。
+    /// </summary>
+    Task<ProductSchedule?> FindScheduleByIdAsync(long scheduleId, long tenantId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 判断门店内模板名称是否已存在。
     /// </summary>
@@ -88,6 +98,11 @@ public interface IProductRepository
     /// </summary>
     Task<bool> ExistsLabelNameAsync(long tenantId, long storeId, string name, long? excludeLabelId = null, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 判断门店内时段规则名称是否已存在。
+    /// </summary>
+    Task<bool> ExistsScheduleNameAsync(long tenantId, long storeId, string name, long? excludeScheduleId = null, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 按模板读取规格做法选项。
     /// </summary>
@@ -103,6 +118,11 @@ public interface IProductRepository
     /// </summary>
     Task<Dictionary<long, int>> CountLabelProductsByLabelIdsAsync(long tenantId, long storeId, IReadOnlyCollection<long> labelIds, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 读取时段规则关联商品。
+    /// </summary>
+    Task<IReadOnlyList<ProductScheduleProduct>> GetScheduleProductsByScheduleIdsAsync(IReadOnlyCollection<long> scheduleIds, long tenantId, long storeId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 过滤门店内真实存在的商品 ID。
     /// </summary>
@@ -245,6 +265,16 @@ public interface IProductRepository
     /// </summary>
     Task AddLabelAsync(ProductLabel label, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 新增时段规则。
+    /// </summary>
+    Task AddScheduleAsync(ProductSchedule schedule, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增时段规则关联商品。
+    /// </summary>
+    Task AddScheduleProductsAsync(IEnumerable<ProductScheduleProduct> relations, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 新增商品。
     /// </summary>
@@ -337,6 +367,11 @@ public interface IProductRepository
     /// </summary>
     Task UpdateLabelAsync(ProductLabel label, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 更新时段规则。
+    /// </summary>
+    Task UpdateScheduleAsync(ProductSchedule schedule, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除分类。
     /// </summary>
@@ -356,6 +391,11 @@ public interface IProductRepository
     /// </summary>
     Task DeleteLabelAsync(long labelId, long tenantId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 删除时段规则。
+    /// </summary>
+    Task DeleteScheduleAsync(long scheduleId, long tenantId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除商品下的 SKU。
     /// </summary>
@@ -380,6 +420,11 @@ public interface IProductRepository
     /// </summary>
     Task RemoveLabelProductsAsync(long labelId, long tenantId, long storeId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 删除时段规则关联商品。
+    /// </summary>
+    Task RemoveScheduleProductsAsync(long scheduleId, long tenantId, long storeId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除商品下的加料组及选项。
     /// </summary>

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

@@ -221,6 +221,14 @@ public sealed class TakeoutAppDbContext(
     /// </summary>
     public DbSet<ProductLabelProduct> ProductLabelProducts => Set<ProductLabelProduct>();
     /// <summary>
+    /// 商品时段规则。
+    /// </summary>
+    public DbSet<ProductSchedule> ProductSchedules => Set<ProductSchedule>();
+    /// <summary>
+    /// 时段规则与商品关联。
+    /// </summary>
+    public DbSet<ProductScheduleProduct> ProductScheduleProducts => Set<ProductScheduleProduct>();
+    /// <summary>
     /// SKU 实体。
     /// </summary>
     public DbSet<ProductSku> ProductSkus => Set<ProductSku>();
@@ -466,6 +474,8 @@ public sealed class TakeoutAppDbContext(
         ConfigureProductSpecTemplateProduct(modelBuilder.Entity<ProductSpecTemplateProduct>());
         ConfigureProductLabel(modelBuilder.Entity<ProductLabel>());
         ConfigureProductLabelProduct(modelBuilder.Entity<ProductLabelProduct>());
+        ConfigureProductSchedule(modelBuilder.Entity<ProductSchedule>());
+        ConfigureProductScheduleProduct(modelBuilder.Entity<ProductScheduleProduct>());
         ConfigureProductSku(modelBuilder.Entity<ProductSku>());
         ConfigureProductAddonGroup(modelBuilder.Entity<ProductAddonGroup>());
         ConfigureProductAddonOption(modelBuilder.Entity<ProductAddonOption>());
@@ -1255,6 +1265,31 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ProductId });
     }
 
+    private static void ConfigureProductSchedule(EntityTypeBuilder<ProductSchedule> builder)
+    {
+        builder.ToTable("product_schedules");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.StartTime).IsRequired();
+        builder.Property(x => x.EndTime).IsRequired();
+        builder.Property(x => x.WeekDaysMask).IsRequired();
+        builder.Property(x => x.IsEnabled).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.IsEnabled });
+    }
+
+    private static void ConfigureProductScheduleProduct(EntityTypeBuilder<ProductScheduleProduct> builder)
+    {
+        builder.ToTable("product_schedule_products");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.ScheduleId).IsRequired();
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ScheduleId, 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

@@ -172,6 +172,17 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .ToListAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSchedule>> GetSchedulesByStoreAsync(long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        return await context.ProductSchedules
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
+            .OrderBy(x => x.Name)
+            .ThenBy(x => x.Id)
+            .ToListAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task<ProductSpecTemplate?> FindSpecTemplateByIdAsync(long templateId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -202,6 +213,14 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .FirstOrDefaultAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public Task<ProductSchedule?> FindScheduleByIdAsync(long scheduleId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSchedules
+            .Where(x => x.TenantId == tenantId && x.Id == scheduleId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task<bool> ExistsSpecTemplateNameAsync(long tenantId, long storeId, string name, long? excludeTemplateId = null, CancellationToken cancellationToken = default)
     {
@@ -264,6 +283,26 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         return query.AnyAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public Task<bool> ExistsScheduleNameAsync(long tenantId, long storeId, string name, long? excludeScheduleId = null, CancellationToken cancellationToken = default)
+    {
+        var normalizedName = (name ?? string.Empty).Trim();
+        var normalizedLower = normalizedName.ToLowerInvariant();
+        var query = context.ProductSchedules
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                x.Name.ToLower() == normalizedLower);
+
+        if (excludeScheduleId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeScheduleId.Value);
+        }
+
+        return query.AnyAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task<IReadOnlyList<ProductSpecTemplateOption>> GetSpecTemplateOptionsByTemplateIdsAsync(IReadOnlyCollection<long> templateIds, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -318,6 +357,25 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .ToDictionaryAsync(item => item.LabelId, item => item.Count, cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductScheduleProduct>> GetScheduleProductsByScheduleIdsAsync(IReadOnlyCollection<long> scheduleIds, long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        if (scheduleIds.Count == 0)
+        {
+            return Array.Empty<ProductScheduleProduct>();
+        }
+
+        return await context.ProductScheduleProducts
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                scheduleIds.Contains(x.ScheduleId))
+            .OrderBy(x => x.ScheduleId)
+            .ThenBy(x => x.ProductId)
+            .ToListAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task<IReadOnlyList<long>> FilterExistingProductIdsAsync(long tenantId, long storeId, IReadOnlyCollection<long> productIds, CancellationToken cancellationToken = default)
     {
@@ -649,6 +707,18 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         return context.ProductLabels.AddAsync(label, cancellationToken).AsTask();
     }
 
+    /// <inheritdoc />
+    public Task AddScheduleAsync(ProductSchedule schedule, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSchedules.AddAsync(schedule, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddScheduleProductsAsync(IEnumerable<ProductScheduleProduct> relations, CancellationToken cancellationToken = default)
+    {
+        return context.ProductScheduleProducts.AddRangeAsync(relations, cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task AddProductAsync(Product product, CancellationToken cancellationToken = default)
     {
@@ -744,6 +814,13 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
         return Task.CompletedTask;
     }
 
+    /// <inheritdoc />
+    public Task UpdateScheduleAsync(ProductSchedule schedule, CancellationToken cancellationToken = default)
+    {
+        context.ProductSchedules.Update(schedule);
+        return Task.CompletedTask;
+    }
+
     /// <inheritdoc />
     public async Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -793,6 +870,23 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .ExecuteDeleteAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task DeleteScheduleAsync(long scheduleId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var existing = await context.ProductSchedules
+            .Where(x => x.TenantId == tenantId && x.Id == scheduleId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing is null)
+        {
+            return;
+        }
+
+        await context.ProductSchedules
+            .Where(x => x.TenantId == tenantId && x.Id == scheduleId)
+            .ExecuteDeleteAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -838,6 +932,17 @@ public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductR
             .ExecuteDeleteAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task RemoveScheduleProductsAsync(long scheduleId, long tenantId, long storeId, CancellationToken cancellationToken = default)
+    {
+        await context.ProductScheduleProducts
+            .Where(x =>
+                x.TenantId == tenantId &&
+                x.StoreId == storeId &&
+                x.ScheduleId == scheduleId)
+            .ExecuteDeleteAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task RemoveAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
     {

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260221032856_AddProductSchedules.cs

@@ -0,0 +1,97 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddProductSchedules : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "product_schedule_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。"),
+                    ScheduleId = table.Column<long>(type: "bigint", nullable: false, comment: "时段规则 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_schedule_products", x => x.Id);
+                },
+                comment: "时段规则与商品关联关系。");
+
+            migrationBuilder.CreateTable(
+                name: "product_schedules",
+                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: "规则名称。"),
+                    StartTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "开始时间。"),
+                    EndTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "结束时间。"),
+                    WeekDaysMask = table.Column<int>(type: "integer", nullable: false, comment: "星期位掩码（周一到周日）。"),
+                    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_schedules", x => x.Id);
+                },
+                comment: "商品时段规则（门店维度）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_schedule_products_TenantId_StoreId_ProductId",
+                table: "product_schedule_products",
+                columns: new[] { "TenantId", "StoreId", "ProductId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_schedule_products_TenantId_StoreId_ScheduleId_Produ~",
+                table: "product_schedule_products",
+                columns: new[] { "TenantId", "StoreId", "ScheduleId", "ProductId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_schedules_TenantId_StoreId_IsEnabled",
+                table: "product_schedules",
+                columns: new[] { "TenantId", "StoreId", "IsEnabled" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_schedules_TenantId_StoreId_Name",
+                table: "product_schedules",
+                columns: new[] { "TenantId", "StoreId", "Name" },
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "product_schedule_products");
+
+            migrationBuilder.DropTable(
+                name: "product_schedules");
+        }
+    }
+}

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

@@ -4709,6 +4709,144 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSchedule", 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<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("规则名称。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    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.Property<int>("WeekDaysMask")
+                        .HasColumnType("integer")
+                        .HasComment("星期位掩码（周一到周日）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "IsEnabled");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_schedules", null, t =>
+                        {
+                            t.HasComment("商品时段规则（门店维度）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductScheduleProduct", 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>("ScheduleId")
+                        .HasColumnType("bigint")
+                        .HasComment("时段规则 ID。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    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", "ScheduleId", "ProductId")
+                        .IsUnique();
+
+                    b.ToTable("product_schedule_products", null, t =>
+                        {
+                            t.HasComment("时段规则与商品关联关系。");
+                        });
+                });
+
             modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
                 {
                     b.Property<long>("Id")