앱 실시간 갱신 수정

backend/src/main/java/com/goldenchart/config/WebSocketConfig.java

@@ -35,8 +35,12 @@ public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
 
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
+        // Tauri Desktop — SockJS(XHR·쿠키)는 cross-origin WebView에서 실패 → 순수 WebSocket
+        registry.addEndpoint("/ws/trading/ws")
+                .setAllowedOriginPatterns("*");
+
         registry.addEndpoint("/ws/trading")
                 .setAllowedOriginPatterns("*")
-                .withSockJS();  // SockJS fallback (브라우저 환경 대비)
+                .withSockJS();  // SockJS fallback (브라우저 동일 오리진)
     }
 }