가상투자 설정 수정

frontend/src/utils/virtualTradingStorage.ts

@@ -36,6 +36,7 @@ export function loadVirtualTargets(): VirtualTargetItem[] {
 export function saveVirtualTargets(items: VirtualTargetItem[]): void {
   try {
     localStorage.setItem(TARGETS_KEY, JSON.stringify(items));
+    notifyVirtualSessionChanged();
   } catch { /* ignore */ }
 }
 
@@ -58,9 +59,16 @@ export function loadVirtualSession(): VirtualSessionConfig {
 export function saveVirtualSession(cfg: VirtualSessionConfig): void {
   try {
     localStorage.setItem(SESSION_KEY, JSON.stringify(cfg));
+    notifyVirtualSessionChanged();
   } catch { /* ignore */ }
 }
 
+export const VIRTUAL_SESSION_CHANGED_EVENT = 'gc_virtual_session_changed';
+
+export function notifyVirtualSessionChanged(): void {
+  window.dispatchEvent(new CustomEvent(VIRTUAL_SESSION_CHANGED_EVENT));
+}
+
 function defaultSession(): VirtualSessionConfig {
   return {
     globalStrategyId: null,