fix and update

apps/docs/lib/api-endpoints.ts

@@ -66,6 +66,48 @@ export const apiReference: ApiTagGroup[] = [
       }
     ]
   },
+  {
+    tag: 'FedCM / One Tap Login',
+    endpoints: [
+      {
+        method: 'GET',
+        path: '/.well-known/web-identity',
+        summary: 'FedCM web identity manifest',
+        description: 'Манифест Federated Credential Management: provider_urls → /fedcm/config.json.'
+      },
+      {
+        method: 'GET',
+        path: '/fedcm/config.json',
+        summary: 'Конфигурация FedCM IdP',
+        description: 'accounts_endpoint, id_assertion_endpoint, login_url, branding.'
+      },
+      {
+        method: 'GET',
+        path: '/fedcm/accounts',
+        summary: 'Список аккаунтов FedCM',
+        description: 'Credentialed GET по cookie lendry_fedcm_sess. CORS с credentials для RP.'
+      },
+      {
+        method: 'POST',
+        path: '/fedcm/id_assertion',
+        summary: 'Выдача id_token FedCM',
+        description: 'Тело: client_id, account_id. Возвращает { token } — OIDC id_token.'
+      },
+      {
+        method: 'GET',
+        path: '/fedcm/client_metadata',
+        summary: 'Метаданные клиента FedCM',
+        description: 'Query: client_id. privacy_policy_url, terms_of_service_url.'
+      },
+      {
+        method: 'POST',
+        path: '/fedcm/session/sync',
+        summary: 'Синхронизация FedCM cookie',
+        description: 'Bearer access token → установка HttpOnly cookie lendry_fedcm_sess.',
+        auth: true
+      }
+    ]
+  },
   {
     tag: 'Профиль и биометрия',
     endpoints: [