feat: 卖价/买价列表支持按需加载明细，缩短切换卡顿

列表接口增加 includeDetails，并新增单条 price/get，供编辑弹窗按需拉取完整矩阵。

Co-authored-by: Cursor <cursoragent@cursor.com>

src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs

@@ -101,17 +101,20 @@ public partial class SalesProductService
 
     /// <summary>
     /// 一次性装配价格项、因子和明细，避免接口层 N+1 查询。
+    /// includeDetails=false 时跳过明细（列表页首屏），显著减小载荷。
     /// </summary>
-    private async Task<List<SalesProductPriceListOutput>> GetPriceOutputsAsync(int salesProductId)
+    private async Task<List<SalesProductPriceListOutput>> GetPriceOutputsAsync(int salesProductId, bool includeDetails = true)
     {
         var prices = await SalesProductRepository.GetPricesAsync(salesProductId);
         var priceIds = prices.Select(x => x.Id).ToArray();
         var factorMap = (await SalesProductRepository.GetPriceFactorsAsync(priceIds))
             .GroupBy(x => x.PriceId)
             .ToDictionary(x => x.Key, x => x.OrderBy(item => item.SerialNumber).ToList());
-        var detailMap = (await SalesProductRepository.GetPriceDetailsAsync(priceIds))
+        var detailMap = includeDetails
+            ? (await SalesProductRepository.GetPriceDetailsAsync(priceIds))
                 .GroupBy(x => x.PriceId)
-            .ToDictionary(x => x.Key, x => x.OrderBy(item => item.Id).ToList());
+                .ToDictionary(x => x.Key, x => x.OrderBy(item => item.Id).ToList())
+            : new Dictionary<int, List<SalesProductPriceDetail>>();
 
         var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
             prices.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
@@ -128,7 +131,9 @@ public partial class SalesProductService
             Currency = price.Currency,
             ChargingCondition = price.ChargingCondition,
             Factors = factorMap.TryGetValue(price.Id, out var factors) ? factors.Select(MapPriceFactorOutput).ToList() : [],
-            Details = detailMap.TryGetValue(price.Id, out var details) ? details.Select(MapPriceDetailOutput).ToList() : [],
+            Details = includeDetails && detailMap.TryGetValue(price.Id, out var details)
+                ? details.Select(MapPriceDetailOutput).ToList()
+                : [],
             CreateTime = price.CreateTime,
             CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(price.CreateUserId, auditUserNameMap),
             UpdateTime = OmsDocHelper.NullIfDefault(price.UpdateTime),
@@ -136,6 +141,38 @@ public partial class SalesProductService
         }).ToList();
     }
 
+    /// <summary>
+    /// 单条价格项（含因子+明细），供编辑弹窗按需加载。
+    /// </summary>
+    private async Task<SalesProductPriceListOutput> GetPriceOutputByIdAsync(int priceId)
+    {
+        var price = await GetPriceOrThrowAsync(priceId);
+        var priceIds = new[] { price.Id };
+        var factors = await SalesProductRepository.GetPriceFactorsAsync(priceIds);
+        var details = await SalesProductRepository.GetPriceDetailsAsync(priceIds);
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            [price.CreateUserId, price.UpdateUserId]);
+
+        return new SalesProductPriceListOutput
+        {
+            Id = price.Id,
+            SalesProductId = price.SalesProductId,
+            SerialNumber = price.SerialNumber,
+            Status = (byte)price.Status,
+            PriceName = price.PriceName,
+            CostItem = price.CostItem,
+            CostUnit = price.CostUnit,
+            Currency = price.Currency,
+            ChargingCondition = price.ChargingCondition,
+            Factors = factors.OrderBy(item => item.SerialNumber).Select(MapPriceFactorOutput).ToList(),
+            Details = details.OrderBy(item => item.Id).Select(MapPriceDetailOutput).ToList(),
+            CreateTime = price.CreateTime,
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(price.CreateUserId, auditUserNameMap),
+            UpdateTime = OmsDocHelper.NullIfDefault(price.UpdateTime),
+            UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(price.UpdateUserId, auditUserNameMap)
+        };
+    }
+
     /// <summary>
     /// 获取排货方案，并补充服务渠道名称。
     /// </summary>

src/Oms.Application/Services/Channels/SalesProductService.cs

@@ -169,17 +169,29 @@ public partial class SalesProductService : ApplicationService
     /// 查询销售产品价格项列表。
     /// </summary>
     /// <param name="salesProductId">入参：销售产品主键。</param>
+    /// <param name="includeDetails">是否返回价格明细矩阵；列表页建议 false。</param>
     /// <returns>销售产品价格项列表结果。</returns>
     [HttpGet("/channel/sales-product/price/list")]
-    public async Task<OmsItemsResult<SalesProductPriceListOutput>> GetPriceListAsync([FromQuery] int salesProductId)
+    public async Task<OmsItemsResult<SalesProductPriceListOutput>> GetPriceListAsync(
+        [FromQuery] int salesProductId,
+        [FromQuery] bool includeDetails = true)
     {
         await GetProductOrThrowAsync(salesProductId);
         return new OmsItemsResult<SalesProductPriceListOutput>
         {
-            Items = await GetPriceOutputsAsync(salesProductId)
+            Items = await GetPriceOutputsAsync(salesProductId, includeDetails)
         };
     }
 
+    /// <summary>
+    /// 获取单条销售产品价格项（含计费因子与价格明细）。
+    /// </summary>
+    [HttpGet("/channel/sales-product/price/get")]
+    public async Task<SalesProductPriceListOutput> GetPriceAsync([FromQuery] int id)
+    {
+        return await GetPriceOutputByIdAsync(id);
+    }
+
     /// <summary>
     /// 新增销售产品价格项。
     /// </summary>

src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs

@@ -146,17 +146,22 @@ public partial class ServiceChannelService
 
     /// <summary>
     /// 一次性装配买价项、因子和明细，避免接口层 N+1 查询。
+    /// includeDetails=false 时跳过明细（列表页首屏），显著减小载荷。
     /// </summary>
-    private async Task<List<ServiceChannelPriceListOutput>> GetPriceOutputsAsync(int serviceChannelId)
+    private async Task<List<ServiceChannelPriceListOutput>> GetPriceOutputsAsync(
+        int serviceChannelId,
+        bool includeDetails = true)
     {
         var prices = await ServiceChannelRepository.GetPricesAsync(serviceChannelId);
         var priceIds = prices.Select(x => x.Id).ToArray();
         var factorMap = (await ServiceChannelRepository.GetPriceFactorsAsync(priceIds))
             .GroupBy(x => x.PriceId)
             .ToDictionary(x => x.Key, x => x.OrderBy(item => item.SerialNumber).ToList());
-        var detailMap = (await ServiceChannelRepository.GetPriceDetailsAsync(priceIds))
+        var detailMap = includeDetails
+            ? (await ServiceChannelRepository.GetPriceDetailsAsync(priceIds))
                 .GroupBy(x => x.PriceId)
-            .ToDictionary(x => x.Key, x => x.OrderBy(item => item.Id).ToList());
+                .ToDictionary(x => x.Key, x => x.OrderBy(item => item.Id).ToList())
+            : new Dictionary<int, List<ServiceChannelPriceDetail>>();
 
         return prices.Select(price => new ServiceChannelPriceListOutput
         {
@@ -170,12 +175,42 @@ public partial class ServiceChannelService
             Currency = price.Currency,
             ChargingCondition = price.ChargingCondition,
             Factors = factorMap.TryGetValue(price.Id, out var factors) ? factors.Select(MapPriceFactorOutput).ToList() : [],
-            Details = detailMap.TryGetValue(price.Id, out var details) ? details.Select(MapPriceDetailOutput).ToList() : [],
+            Details = includeDetails && detailMap.TryGetValue(price.Id, out var details)
+                ? details.Select(MapPriceDetailOutput).ToList()
+                : [],
             CreateTime = price.CreateTime,
             UpdateTime = OmsDocHelper.NullIfDefault(price.UpdateTime)
         }).ToList();
     }
 
+    /// <summary>
+    /// 单条买价项（含因子+明细），供编辑弹窗按需加载。
+    /// </summary>
+    private async Task<ServiceChannelPriceListOutput> GetPriceOutputByIdAsync(int priceId)
+    {
+        var price = await GetPriceOrThrowAsync(priceId);
+        var priceIds = new[] { price.Id };
+        var factors = await ServiceChannelRepository.GetPriceFactorsAsync(priceIds);
+        var details = await ServiceChannelRepository.GetPriceDetailsAsync(priceIds);
+
+        return new ServiceChannelPriceListOutput
+        {
+            Id = price.Id,
+            ServiceChannelId = price.ServiceChannelId,
+            SerialNumber = price.SerialNumber,
+            Status = (byte)price.Status,
+            PriceName = price.PriceName,
+            CostItem = price.CostItem,
+            CostUnit = price.CostUnit,
+            Currency = price.Currency,
+            ChargingCondition = price.ChargingCondition,
+            Factors = factors.OrderBy(item => item.SerialNumber).Select(MapPriceFactorOutput).ToList(),
+            Details = details.OrderBy(item => item.Id).Select(MapPriceDetailOutput).ToList(),
+            CreateTime = price.CreateTime,
+            UpdateTime = OmsDocHelper.NullIfDefault(price.UpdateTime)
+        };
+    }
+
     /// <summary>
     /// 获取指定类型的发布记录。
     /// </summary>

src/Oms.Application/Services/Channels/ServiceChannelService.cs

@@ -215,17 +215,29 @@ public partial class ServiceChannelService : ApplicationService
     /// 查询服务渠道价格项列表。
     /// </summary>
     /// <param name="serviceChannelId">入参：serviceChannelId。</param>
+    /// <param name="includeDetails">是否返回价格明细矩阵；列表页建议 false。</param>
     /// <returns>服务渠道价格项列表结果。</returns>
     [HttpGet("/channel/service-channel/price/list")]
-    public async Task<OmsItemsResult<ServiceChannelPriceListOutput>> GetPriceListAsync([FromQuery] int serviceChannelId)
+    public async Task<OmsItemsResult<ServiceChannelPriceListOutput>> GetPriceListAsync(
+        [FromQuery] int serviceChannelId,
+        [FromQuery] bool includeDetails = true)
     {
         await GetEntityOrThrowAsync(serviceChannelId);
         return new OmsItemsResult<ServiceChannelPriceListOutput>
         {
-            Items = await GetPriceOutputsAsync(serviceChannelId)
+            Items = await GetPriceOutputsAsync(serviceChannelId, includeDetails)
         };
     }
 
+    /// <summary>
+    /// 获取单条服务渠道价格项（含计费因子与价格明细）。
+    /// </summary>
+    [HttpGet("/channel/service-channel/price/get")]
+    public async Task<ServiceChannelPriceListOutput> GetPriceAsync([FromQuery] int id)
+    {
+        return await GetPriceOutputByIdAsync(id);
+    }
+
     /// <summary>
     /// 新增服务渠道价格项。
     /// </summary>