모의투자 관리 기능 추가

backend/src/main/java/com/goldenchart/dto/PaperSummaryDto.java

@@ -21,5 +21,9 @@ public class PaperSummaryDto {
     private Double  minOrderKrw;
     private Boolean autoTradeEnabled;
     private Double  autoTradeBudgetPct;
+    private Double  reservedCash;
+    private Double  orderableCash;
+    private Double  initialCapitalSnapshot;
     private List<PaperPositionDto> positions;
+    private List<PaperAllocationDto> allocations;
 }