가상매매 기본전략 설정

frontend/src/utils/virtualTargetMutations.ts

@@ -1,11 +1,14 @@
-import { saveLiveStrategySettings } from './backendApi';
+import { loadStrategies, saveLiveStrategySettings } from './backendApi';
 import { getVirtualTargetMaxCount } from '../hooks/useAppSettings';
 import {
   isVirtualTargetAddAllowed,
   virtualTargetLimitMessage,
 } from '../utils/virtualTargetLimits';
 import { syncVirtualTargetsToBackend } from './virtualLiveStrategySync';
-import { resolveVirtualTargetStrategyId } from './virtualTargetStrategy';
+import {
+  ensureDefaultGlobalStrategyId,
+  resolveVirtualTargetStrategyId,
+} from './virtualTargetStrategy';
 import {
   loadVirtualSession,
   loadVirtualTargets,
@@ -41,11 +44,13 @@ export async function addVirtualTarget(
   }
 
   const session = loadVirtualSession();
+  const strategies = await loadStrategies().catch(() => []);
+  const strategyId = ensureDefaultGlobalStrategyId(session.globalStrategyId, strategies);
   const en = meta.englishName ?? market.replace(/^KRW-/, '');
   const item: VirtualTargetItem = {
     market,
     /** 신규 추가 시점의 상단 기본전략(템플릿)을 종목에 고정 */
-    strategyId: session.globalStrategyId,
+    strategyId,
     koreanName: meta.koreanName,
     englishName: en,
   };
@@ -55,7 +60,7 @@ export async function addVirtualTarget(
 
   await saveLiveStrategySettings({
     market,
-    strategyId: session.globalStrategyId,
+    strategyId,
     isLiveCheck: session.running,
     isPinned: false,
     executionType: session.executionType,
@@ -64,7 +69,7 @@ export async function addVirtualTarget(
     skipGlobalTemplate: true,
   });
 
-  if (session.running && session.globalStrategyId) {
+  if (session.running && strategyId) {
     await syncVirtualTargetsToBackend(next, session, true);
   }
 

frontend/src/utils/virtualTargetStrategy.ts

@@ -1,4 +1,4 @@
-import type { VirtualTargetItem } from './virtualTradingStorage';
+import type { VirtualTargetItem, VirtualSessionConfig } from './virtualTradingStorage';
 
 /** 종목 전략 셀렉트 — 기본(전역) 전략 옵션 값 */
 export const VIRTUAL_DEFAULT_STRATEGY_VALUE = '__default__';
@@ -49,6 +49,53 @@ export function parseTargetStrategySelectValue(value: string): number | null {
   return Number.isFinite(n) ? n : null;
 }
 
+/** 전략 목록 첫 항목 ID (가상매매 기본 전략) */
+export function pickDefaultGlobalStrategyId(
+  strategies: Array<{ id?: number | null }>,
+): number | null {
+  for (const s of strategies) {
+    const id = s.id;
+    if (id != null && id > 0) return id;
+  }
+  return null;
+}
+
+/** 저장된 globalStrategyId 가 유효하면 유지, 아니면 목록 첫 항목 */
+export function ensureDefaultGlobalStrategyId(
+  globalStrategyId: number | null,
+  strategies: Array<{ id?: number | null }>,
+): number | null {
+  const validIds = new Set(
+    strategies.map(s => s.id).filter((id): id is number => id != null && id > 0),
+  );
+  if (globalStrategyId != null && validIds.has(globalStrategyId)) {
+    return globalStrategyId;
+  }
+  return pickDefaultGlobalStrategyId(strategies);
+}
+
+/** 신규 종목 추가·세션 초기화 — 상단 기본전략 (없으면 목록 첫 항목) */
+export function resolveStrategyIdForNewTarget(
+  globalStrategyId: number | null,
+  strategies: Array<{ id?: number | null }>,
+): number | null {
+  return ensureDefaultGlobalStrategyId(globalStrategyId, strategies);
+}
+
+/** 전략 목록 로드 후 — 상단 기본전략을 첫 항목으로 자동 설정 */
+export function applyDefaultGlobalStrategyToSession(
+  session: VirtualSessionConfig,
+  strategies: Array<{ id?: number | null }>,
+  appLiveStrategyId: number | null = null,
+): VirtualSessionConfig {
+  let gid = ensureDefaultGlobalStrategyId(session.globalStrategyId, strategies);
+  if (gid == null && appLiveStrategyId != null && appLiveStrategyId > 0) {
+    gid = appLiveStrategyId;
+  }
+  if (gid === session.globalStrategyId) return session;
+  return { ...session, globalStrategyId: gid };
+}
+
 /** 종목 셀렉트 — 기본 전략(전역) 옵션 라벨 (신규 추가 시 적용되는 템플릿) */
 export function defaultStrategyOptionLabel(
   globalStrategyId: number | null,