fix and update

apps/frontend/components/id/fedcm-api-login-status.tsx

@@ -0,0 +1,39 @@
+'use client';
+
+import { useEffect } from 'react';
+import { syncFedcmSession } from '@/lib/api';
+import { DEFAULT_PUBLIC_API_URL } from '@/lib/project-domains';
+
+/** Синхронизирует FedCM cookie и Login Status API на origin API-домена (login_url). */
+export function FedcmApiLoginStatusBridge({
+  active,
+  accessToken,
+  publicApiUrl = DEFAULT_PUBLIC_API_URL
+}: {
+  active: boolean;
+  accessToken?: string | null;
+  publicApiUrl?: string;
+}) {
+  useEffect(() => {
+    if (!active || !accessToken) return;
+    void syncFedcmSession(accessToken);
+  }, [accessToken, active]);
+
+  useEffect(() => {
+    if (!active) return;
+    const apiBase = publicApiUrl.replace(/\/+$/, '');
+    if (!apiBase) return;
+
+    const iframe = document.createElement('iframe');
+    iframe.hidden = true;
+    iframe.title = 'FedCM login status';
+    iframe.src = `${apiBase}/fedcm/login-status`;
+    document.body.appendChild(iframe);
+
+    return () => {
+      iframe.remove();
+    };
+  }, [active, publicApiUrl]);
+
+  return null;
+}