added chats with another users

src/main/java/com/krylov/refound/config/WebSocketConfig.java

@@ -1,5 +1,7 @@
 package com.krylov.refound.config;
 
+import com.krylov.refound.util.WsHandshakeInterceptor;
+import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
@@ -8,18 +10,22 @@ import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerCo
 
 @Configuration
 @EnableWebSocketMessageBroker
+@RequiredArgsConstructor
 public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
 
+  private final WsHandshakeInterceptor wsHandshakeInterceptor;
+
   @Override
-  public void configureMessageBroker(MessageBrokerRegistry config) {
-    config.enableSimpleBroker("/topic");
-    config.setApplicationDestinationPrefixes("/app");
+  public void configureMessageBroker(MessageBrokerRegistry registry) {
+    registry.enableSimpleBroker("/topic");      // сервер → клиент
+    registry.setApplicationDestinationPrefixes("/app"); // клиент → сервер
   }
 
   @Override
   public void registerStompEndpoints(StompEndpointRegistry registry) {
     registry.addEndpoint("/ws")
         .setAllowedOriginPatterns("*")
+        .addInterceptors(wsHandshakeInterceptor)
         .withSockJS();
   }
 }