refactor(swap): 债券价格÷100转换收敛到BondPriceConverter统一入口

消除9处价格转换字面量(*0.01m/*100)，统一走BondPriceConverter.ToStorage/ToDisplay。
- 新增YLErpDAL/Helpers/BondPriceConverter.cs(含可空重载)
- 批次1(危险字面量): BondPaymentService/RealtimePnlCalc/RealTimeClientBanlanceService/SwapTradeAutoService
- 批次2-4(调用收敛): SwapFlowService/SwapFlowImportService/SwapEndConfirmService/EodPriceProvider/EodPriceQueryService
- RealtimePnlCalc:601/602价格×数量维度交织处加注释,不机械合并

不改bondPriceMultiple常量值,纯调用方式收敛。SwapModule 155测试全绿,行为不变。

YLErpDAL/Modules/DataProviderModule/EodPriceQueryService.cs

@@ -1,5 +1,6 @@
 using DocumentFormat.OpenXml.Drawing.Charts;
 using System.Linq.Expressions;
+using YLErp.Helpers;
 using YLErp.Models;
 using YLErp.QdpModule;
 
@@ -228,9 +229,9 @@ namespace YLErp.Modules.DataProviderModule
                 Vobp = bondPrice.vobp,
                 ValueDate = valueDate,
                 UnderlyingCode = underlyingCode,
-                ClosePrice = Convert.ToDouble(bondPrice.dirty_price_close * ConsGlobal.bondPriceMultiple),
-                SettlePrice = Convert.ToDouble(bondPrice.net_price * ConsGlobal.bondPriceMultiple),
-                ReferencePrice = Convert.ToDouble(bondPrice.yield * ConsGlobal.bondPriceMultiple)
+                ClosePrice = Convert.ToDouble(BondPriceConverter.ToStorage(bondPrice.dirty_price_close)),
+                SettlePrice = Convert.ToDouble(BondPriceConverter.ToStorage(bondPrice.net_price)),
+                ReferencePrice = Convert.ToDouble(BondPriceConverter.ToStorage(bondPrice.yield))
             };
         }
         /// <summary>