docs: 标记自提档期完成

src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStorePickupSlotCommandHandler.cs

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+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新自提档期处理器。
+/// </summary>
+public sealed class UpdateStorePickupSlotCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStorePickupSlotCommandHandler> logger)
+    : IRequestHandler<UpdateStorePickupSlotCommand, StorePickupSlotDto?>
+{
+    /// <inheritdoc />
+    public async Task<StorePickupSlotDto?> Handle(UpdateStorePickupSlotCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询档期
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var slot = await storeRepository.FindPickupSlotByIdAsync(request.SlotId, tenantId, cancellationToken);
+        if (slot is null || slot.StoreId != request.StoreId)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        slot.Name = request.Name.Trim();
+        slot.StartTime = request.StartTime;
+        slot.EndTime = request.EndTime;
+        slot.CutoffMinutes = request.CutoffMinutes;
+        slot.Capacity = request.Capacity;
+        slot.Weekdays = request.Weekdays;
+        slot.IsEnabled = request.IsEnabled;
+        await storeRepository.UpdatePickupSlotAsync(slot, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新自提档期 {SlotId}", request.SlotId);
+        return new StorePickupSlotDto
+        {
+            Id = slot.Id,
+            StoreId = slot.StoreId,
+            Name = slot.Name,
+            StartTime = slot.StartTime,
+            EndTime = slot.EndTime,
+            CutoffMinutes = slot.CutoffMinutes,
+            Capacity = slot.Capacity,
+            ReservedCount = slot.ReservedCount,
+            Weekdays = slot.Weekdays,
+            IsEnabled = slot.IsEnabled
+        };
+    }
+}