BugFix 追加预付金腿生成

YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs

@@ -2046,6 +2046,44 @@ namespace YLErp.Modules.SwapModule
             FinalizeInterestEodRoll(eodPayPosition, newEodPayPosition, ratio, td, valueDate, position.InterestDirection);
             PersistEodSwapPosition(newEodPayPosition);
         }
+
+        /// <summary>
+        /// EOD 追保腿化·方案A：SettleAdditionalMargin 在当日 SwapPositionCompose/SwapEodCompose 之后生成 mode6 追保腿
+        /// （增量依赖当日 trade_span，无法前移），当日快照已落表，显式补写当日 eod_swap_position 行，
+        /// 使当日报表明细（风险页 PostionMarginGain 等按快照腿汇总的列）不漏计。
+        /// 字段填充参照 SaveEodInterestPosition 新腿形态（无当日流水、无上日归档：利息/损益字段为 0，TdCurrency 取当日汇率）。
+        /// 幂等：先清（PositionId+ValueDate）后建；下一结算日 SwapPositionCompose 先清（ClearSwapPositions ValueDate>=当日）
+        /// 再从实时腿重建，补写行不会跨日残留。
+        /// </summary>
+        public void SaveEodAdditionalMarginPosition(trade td, swap_position leg, DateTime valueDate)
+        {
+            var existing = DbContext.eod_swap_position
+                .Where(x => x.SwapTradeId == td.id && x.PositionId == leg.id && x.ValueDate == valueDate)
+                .ToList();
+            DbContext.eod_swap_position.RemoveRange(existing);
+            var row = new eod_swap_position
+            {
+                ClientId = td.ClientId,
+                SwapTradeId = td.id,
+                PosiStartDate = leg.PosiStartDate,
+                PosiMatuirityDate = td.ExerciseDate,
+                ValueDate = valueDate,
+                PositionId = leg.id,
+                PosiStatus = 0,
+                Invalid = false
+            };
+            UpdateDbOption(row);
+            //持仓内容-利息腿（无当日流水，FloatRate 取 0）
+            CopyInterestLegFields(row, leg, 0);
+            row.InterestFeePending = 0;
+            var ratio = DirectionRatio.InterestLegPnl(leg.InterestDirection, leg.InterestMode);
+            row.SwapPositionValue = PositionValueCalc.Calc(row.InterestProfitSum, row.PosiProfitSum, ratio);
+            row.RealizedPnl = row.RealizedInterest + row.RealizedInterestFee;
+            row.TdCurrency = Convert.ToDecimal(GetCurrencyRate(td.QuoteCurrency, td.SettlementCurrency, valueDate, true,
+                DirectionRatio.RateType(leg.InterestDirection)));
+            PersistEodSwapPosition(row);
+            SaveAllChanges();
+        }
         /// <summary>
         /// 自动互换用,当日无互换，当日无平仓
         /// </summary>