모의투자 관리 기능 추가

packages/shared/src/api/backendApi.ts

@@ -674,6 +674,14 @@ export interface PaperPositionDto {
   profitLossPct?: number;
 }
 
+export interface PaperAllocationDto {
+  symbol:           string;
+  maxInvestKrw:     number;
+  availableBuyKrw?: number;
+  strategyId?:      number | null;
+  isActive?:        boolean;
+}
+
 export interface PaperSummaryDto {
   enabled:              boolean;
   initialCapital:       number;
@@ -688,7 +696,11 @@ export interface PaperSummaryDto {
   minOrderKrw:          number;
   autoTradeEnabled:     boolean;
   autoTradeBudgetPct:   number;
+  orderableCash?:       number;
+  reservedCash?:        number;
+  initialCapitalSnapshot?: number;
   positions:            PaperPositionDto[];
+  allocations?:         PaperAllocationDto[];
 }
 
 export interface PaperTradeDto {
@@ -704,13 +716,20 @@ export interface PaperTradeDto {
   feeAmount:    number;
   netAmount:    number;
   cashAfter:    number;
+  realizedPnlDelta?: number | null;
   createdAt?:   string | null;
 }
 
+export interface PaperPlaceOrderResult {
+  trade?: PaperTradeDto | null;
+  order?: { id: number; symbol: string; side: string; status: string } | null;
+}
+
 export interface PaperOrderRequest {
   market:     string;
   side:       'BUY' | 'SELL';
   orderKind?: 'limit' | 'market';
+  orderType?: 'MARKET' | 'LIMIT';
   price:      number;
   quantity:   number;
   /** 수량 0일 때 매수 예산 비율 (가용현금 %) */
@@ -735,8 +754,8 @@ export async function loadPaperTrades(): Promise<PaperTradeDto[]> {
   return (await request<PaperTradeDto[]>('/paper/trades')) ?? [];
 }
 
-export async function placePaperOrder(body: PaperOrderRequest): Promise<PaperTradeDto | null> {
-  return request<PaperTradeDto>('/paper/orders', {
+export async function placePaperOrder(body: PaperOrderRequest): Promise<PaperPlaceOrderResult | null> {
+  return request<PaperPlaceOrderResult>('/paper/orders', {
     method: 'POST',
     body: JSON.stringify(body),
   });