✨ feat: 핸드쉐이크 추가

Author: LimKangHyun

backend/src/main/java/io/f1/backend/global/config/WebSocketConfig.java

@@ -8,6 +8,7 @@
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
 import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
+import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;
 
 @Configuration
 @RequiredArgsConstructor
@@ -18,7 +19,9 @@ public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
 
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
-        registry.addEndpoint("/ws/game-room").setAllowedOriginPatterns("*");
+        registry.addEndpoint("/ws/game-room")
+            .addInterceptors(new HttpSessionHandshakeInterceptor())
+            .setAllowedOriginPatterns("*");
     }
 
     @Override