fix(ws): не показывать replay-уведомления при подключении

Refs EventHub/EventHubFrontAdmin#9

Co-authored-by: Cursor <cursoragent@cursor.com>

src/hooks/useAdminWebSocket.ts

@@ -67,6 +67,7 @@ export const useAdminWebSocket = () => {
 
         shouldReconnectRef.current = true;
         let isMounted = true;
+        const sessionStartSecondsRef = { current: 0 };
 
         const connect = () => {
             if (!isMounted || !shouldReconnectRef.current) return;
@@ -82,6 +83,7 @@ export const useAdminWebSocket = () => {
 
             ws.onopen = () => {
                 if (!isMounted || !shouldReconnectRef.current) return;
+                sessionStartSecondsRef.current = Math.floor(Date.now() / 1000);
                 wsLog('[WS] Connected');
                 if (canAccessRoute('/reports', role)) {
                     ws.send(JSON.stringify({ action: 'subscribe', channel: 'reports' }));
@@ -115,9 +117,14 @@ export const useAdminWebSocket = () => {
                             return;
                         }
 
+                        const isLiveEvent =
+                            !msg.timestamp || msg.timestamp >= sessionStartSecondsRef.current;
+
+                        if (isLiveEvent) {
                             window.dispatchEvent(
                                 new CustomEvent('admin-ws-message', { detail: msg })
                             );
+                        }
 
                         if (msg.type === 'report_created') {
                             queryClient.invalidateQueries({ queryKey: ['reports'] });