가상투자 메뉴 기능 구현

frontend/src/utils/virtualTradingStorage.ts

@@ -0,0 +1,86 @@
+/** 가상투자 대상 종목·세션 설정 localStorage */
+
+export interface VirtualTargetItem {
+  market: string;
+  strategyId: number | null;
+  koreanName?: string;
+  englishName?: string;
+}
+
+export interface VirtualSessionConfig {
+  globalStrategyId: number | null;
+  executionType: 'CANDLE_CLOSE' | 'REALTIME_TICK';
+  /** LONG_ONLY = 보유 자산 기준, SIGNAL_ONLY = 순수 지표 기준 */
+  positionMode: 'LONG_ONLY' | 'SIGNAL_ONLY';
+  running: boolean;
+}
+
+const TARGETS_KEY = 'gc_virtual_targets_v1';
+const SESSION_KEY = 'gc_virtual_session_v1';
+const CARD_VIEW_KEY = 'gc_virtual_card_view_v1';
+
+/** 카드 표시: summary=이퀄라이저·신호등·푸터만, detail=지표 테이블 포함 전체 */
+export type VirtualCardViewMode = 'summary' | 'detail';
+
+export function loadVirtualTargets(): VirtualTargetItem[] {
+  try {
+    const raw = localStorage.getItem(TARGETS_KEY);
+    if (!raw) return [];
+    const parsed = JSON.parse(raw) as VirtualTargetItem[];
+    return Array.isArray(parsed) ? parsed : [];
+  } catch {
+    return [];
+  }
+}
+
+export function saveVirtualTargets(items: VirtualTargetItem[]): void {
+  try {
+    localStorage.setItem(TARGETS_KEY, JSON.stringify(items));
+  } catch { /* ignore */ }
+}
+
+export function loadVirtualSession(): VirtualSessionConfig {
+  try {
+    const raw = localStorage.getItem(SESSION_KEY);
+    if (!raw) return defaultSession();
+    const parsed = JSON.parse(raw) as Partial<VirtualSessionConfig>;
+    return {
+      globalStrategyId: parsed.globalStrategyId ?? null,
+      executionType: parsed.executionType === 'REALTIME_TICK' ? 'REALTIME_TICK' : 'CANDLE_CLOSE',
+      positionMode: parsed.positionMode === 'SIGNAL_ONLY' ? 'SIGNAL_ONLY' : 'LONG_ONLY',
+      running: parsed.running === true,
+    };
+  } catch {
+    return defaultSession();
+  }
+}
+
+export function saveVirtualSession(cfg: VirtualSessionConfig): void {
+  try {
+    localStorage.setItem(SESSION_KEY, JSON.stringify(cfg));
+  } catch { /* ignore */ }
+}
+
+function defaultSession(): VirtualSessionConfig {
+  return {
+    globalStrategyId: null,
+    executionType: 'CANDLE_CLOSE',
+    positionMode: 'LONG_ONLY',
+    running: false,
+  };
+}
+
+export function loadVirtualCardViewMode(): VirtualCardViewMode {
+  try {
+    const raw = localStorage.getItem(CARD_VIEW_KEY);
+    return raw === 'detail' ? 'detail' : 'summary';
+  } catch {
+    return 'summary';
+  }
+}
+
+export function saveVirtualCardViewMode(mode: VirtualCardViewMode): void {
+  try {
+    localStorage.setItem(CARD_VIEW_KEY, mode);
+  } catch { /* ignore */ }
+}