desktop 앱 적용

frontend/src/utils/desktopBridge.ts

@@ -0,0 +1,47 @@
+import { isDesktop } from './platform';
+
+export interface DesktopBridge {
+  openWidgetWindow: (instance: import('../types/floatingWidget').FloatingWidgetInstance) => Promise<void>;
+  closeWidgetWindow: (id: string) => Promise<void>;
+  focusWidgetWindow: (id: string) => Promise<void>;
+  showNativeNotification: (title: string, body: string) => Promise<void>;
+  checkForUpdates: () => Promise<{ available: boolean; version?: string; message?: string }>;
+  getAppVersion: () => Promise<string>;
+}
+
+declare global {
+  interface Window {
+    __goldenDesktopBridge?: DesktopBridge;
+  }
+}
+
+export function getDesktopBridge(): DesktopBridge | null {
+  if (!isDesktop()) return null;
+  return window.__goldenDesktopBridge ?? null;
+}
+
+export async function showDesktopNativeNotification(title: string, body: string): Promise<void> {
+  const bridge = getDesktopBridge();
+  if (!bridge) return;
+  try {
+    await bridge.showNativeNotification(title, body);
+  } catch {
+    /* ignore */
+  }
+}
+
+export async function checkDesktopUpdates(): Promise<{ available: boolean; version?: string; message?: string }> {
+  const bridge = getDesktopBridge();
+  if (!bridge) return { available: false, message: '데스크톱 앱에서만 사용 가능합니다.' };
+  return bridge.checkForUpdates();
+}
+
+export async function getDesktopAppVersion(): Promise<string | null> {
+  const bridge = getDesktopBridge();
+  if (!bridge) return null;
+  try {
+    return await bridge.getAppVersion();
+  } catch {
+    return null;
+  }
+}