fix(swap): 修复浮动端已实现盈亏计算逻辑

- 添加了SetFloatingRealizedPnl方法统一计算已实现盈亏
- 已实现盈亏现在正确包含盯市、分红和费用三个组成部分
- 修复了多处RealizedPnl计算错误，确保数值准确性
- 为DF_008测试场景添加了专门的单元测试验证
- 移除了重复的盈亏计算代码，提高代码可维护性

UnitTestProject/Modules/SwapModule/DealFloatPositionsScenarioTest.cs

@@ -378,6 +378,39 @@ namespace YLErp.Modules.SwapModule
             Console.WriteLine($"分红增值税调整: 付息100, 税率6% → TdPosiDividend={result.TdPosiDividend}（期望{expected}）✅");
         }
 
+        [TestMethod]
+        public void DF_008_CopyBranch_RealizedPnlIncludesRealizedFee()
+        {
+            var service = new StubEodService
+            {
+                UnderlyingPrice = 1.002m,
+                TaxRate = 0m,
+                BondPayment = 0m
+            };
+            var preEod = new eod_swap_position
+            {
+                id = 5001,
+                SwapTradeId = SwapTradeId,
+                PositionId = 3001,
+                ValueDate = PreSettleDate,
+                PosiQuantity = 10000m,
+                PosiGrossPrice = 1.002m,
+                PosiNetPrice = 1.005m,
+                UnderlyingCode = "210210.IB",
+                ContractSize = 1m,
+                PositionType = (int)PositionTypeFlag.Long,
+                PosiDirection = (int)SwapDirectionEnum.收取,
+                RealizedMtmPnL = 98000000m,
+                RealizedDividend = 0m,
+                RealizedFee = 100m,
+                RealizedPnl = 98000000m
+            };
+
+            var result = service.ExecuteCopyEodPosition(preEod, null, CreateTrade(), TradeDate, PreSettleDate);
+
+            Assert.AreEqual(98000100m, result.RealizedPnl);
+        }
+
         private static void AssertDecimalEqual(decimal expected, decimal actual, decimal tolerance, string message = "")
         {
             Assert.IsTrue(Math.Abs(expected - actual) <= tolerance,

YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs

@@ -1510,7 +1510,7 @@ namespace YLErp.Modules.SwapModule
             newEodPayPosition.RealizedFee = closeFee;
             newEodPayPosition.RealizedMtmPnL = newEodPayPosition.TdCloseMtmPnl;
             newEodPayPosition.RealizedDividend = newEodPayPosition.TdCloseDividend;
-            newEodPayPosition.RealizedPnl = newEodPayPosition.TdCloseMtmPnl;
+            SetFloatingRealizedPnl(newEodPayPosition);
 
             newEodPayPosition.PosiStatus = payQty == 0 ? 1 : 0;
             UpdateDbOption(newEodPayPosition);
@@ -1585,7 +1585,7 @@ namespace YLErp.Modules.SwapModule
             curretEod.RealizedMtmPnL = eod.RealizedMtmPnL + curretEod.TdCloseMtmPnl;
             curretEod.RealizedDividend = eod.RealizedDividend + curretEod.TdCloseDividend;
             curretEod.RealizedFee = eod.RealizedFee + curretEod.TdCloseFee;
-            curretEod.RealizedPnl = eod.RealizedPnl + curretEod.TdCloseMtmPnl;
+            SetFloatingRealizedPnl(curretEod);
             var currencyRate = new EodCurrencyRateService(UserInfo).GetCurrencyRate(td.QuoteCurrency, td.SettlementCurrency, td.StartDate.Value
           , seekPreday: true, currencyRateType: curretEod.PosiDirection == (int)SwapDirectionEnum.收取 ? CurrencyRateType.Buy : CurrencyRateType.Sell);
             curretEod.TdCurrency = Convert.ToDecimal(currencyRate);
@@ -1599,6 +1599,18 @@ namespace YLErp.Modules.SwapModule
             }
             return curretEod;
         }
+
+        /// <summary>
+        /// 浮动腿累计已实现盈亏由盯市、分红和费用三个已实现组成项汇总。
+        /// 各组成项已经按本方视角落库，此处不再额外转换方向。
+        /// </summary>
+        private static void SetFloatingRealizedPnl(eod_swap_position position)
+        {
+            position.RealizedPnl = position.RealizedMtmPnL
+                                   + position.RealizedDividend
+                                   + position.RealizedFee;
+        }
+
         /// <summary>
         /// 更新虚拟交易费用
         /// </summary>
@@ -1659,7 +1671,6 @@ namespace YLErp.Modules.SwapModule
             // 当日浮动端平仓盈亏·分红（仅来自平仓事件 和 互换 中已实现的分红）
             curretEod.TdCloseDividend = unwindEvents.Sum(e => e.DividendIn);
             curretEod.RealizedFee = eod.RealizedFee + curretEod.TdCloseFee;
-            curretEod.RealizedPnl = eod.RealizedPnl + curretEod.TdCloseMtmPnl;
             curretEod.PosiStatus = curretEod.PosiQuantity == 0 ? 1 : 0;
             var closeQty = unwindEvents.Where(x => x.EventType == (int)SwapFlowEventTypeEnum.平仓).ToList().Sum(s => s.Quantity);
 
@@ -1675,7 +1686,7 @@ namespace YLErp.Modules.SwapModule
             {
                 curretEod.PosiDividendSum = 0;
             }
-            curretEod.RealizedPnl += curretEod.TdCloseDividend;
+            SetFloatingRealizedPnl(curretEod);
             curretEod.SwapPositionValue -= curretEod.TdCloseDividend;
 
             curretEod.PosiProfitSum = curretEod.PosiMtmPnL + curretEod.PosiDividendSum + curretEod.PosiFeePending;
@@ -1853,7 +1864,7 @@ namespace YLErp.Modules.SwapModule
             curretEod.RealizedMtmPnL = curretEod.TdCloseMtmPnl;
             curretEod.RealizedDividend = curretEod.TdCloseDividend;
             curretEod.RealizedFee = curretEod.TdCloseFee;
-            curretEod.RealizedPnl = curretEod.TdCloseMtmPnl;
+            SetFloatingRealizedPnl(curretEod);
             curretEod.PosiStatus = curretEod.PosiQuantity == 0 ? 1 : 0;
             if (curretEod.PosiStatus == 1)
             {