fixing stock log when editing recording

internal/modules/production/recordings/services/recording.service.go

@@ -3121,6 +3121,12 @@ func (s *recordingService) reflowSyncRecordingStocks(
 		existingByWarehouse[stock.ProductWarehouseId] = append(existingByWarehouse[stock.ProductWarehouseId], stock)
 	}
 
+	shouldWriteLog := shouldWriteRecordingStockLog(note, actorID)
+	if shouldWriteLog && s.StockLogRepo == nil {
+		return errors.New("stock log repository is not available")
+	}
+	resetLogState := newRecordingStockLogState()
+
 	stocksToApply := make([]entity.RecordingStock, 0, len(incoming))
 	for _, item := range incoming {
 		list := existingByWarehouse[item.ProductWarehouseId]
@@ -3128,6 +3134,25 @@ func (s *recordingService) reflowSyncRecordingStocks(
 		if len(list) > 0 {
 			stock = list[0]
 			existingByWarehouse[item.ProductWarehouseId] = list[1:]
+
+			// Write reset (increase) stock_log for the OLD consumption BEFORE overwriting UsageQty.
+			// FIFO internally does Rollback+Reallocate inside reflowApplyRecordingStocks, but the
+			// corresponding +increase stock_log for the rollback step was previously missing, causing
+			// stock_log.stock to drift below the true FIFO qty on every in-place edit.
+			rollbackQty := recordingStockRollbackQty(stock)
+			if rollbackQty > 1e-6 && shouldWriteLog {
+				resetLog := &entity.StockLog{
+					ProductWarehouseId: stock.ProductWarehouseId,
+					CreatedBy:          actorID,
+					Increase:           rollbackQty,
+					LoggableType:       string(utils.StockLogTypeRecording),
+					LoggableId:         stock.RecordingId,
+					Notes:              note,
+				}
+				if err := s.appendRecordingStockLog(ctx, tx, resetLogState, resetLog); err != nil {
+					return err
+				}
+			}
 		} else {
 			zero := 0.0
 			stock = entity.RecordingStock{