fix and update

apps/frontend/lib/api.ts

@@ -545,9 +545,6 @@ export async function refreshAuthSession(): Promise<RefreshSessionResponse> {
 export async function syncFedcmSession(accessToken?: string | null) {
   const token = resolveAccessToken(accessToken);
   if (typeof window === 'undefined' || !token) return;
-  if (!isApiGatewayReady()) {
-    await ensureApiGatewayReady();
-  }
   try {
     await apiFetch<{ synced: boolean }>(
       '/fedcm/session/sync',
@@ -680,7 +677,7 @@ export function buildSystemSettingPayload(setting: Pick<SystemSetting, 'key' | '
 }
 
 const GATEWAY_RETRY_STATUS = new Set([502, 503, 504]);
-const GATEWAY_RETRY_ATTEMPTS = 6;
+const GATEWAY_RETRY_ATTEMPTS = 4;
 const GATEWAY_STABLE_PROBE_INTERVAL_MS = 800;
 const GATEWAY_STABLE_MAX_ROUNDS = 8;
 const API_MAX_CONCURRENT = 6;
@@ -833,7 +830,7 @@ function gatewayRetryDelay(attempt: number): number {
   return 800 + attempt * 700;
 }
 
-/** Повтор при кратковременном 502/503/504 (nginx не достучался до api-gateway после перезапуска). */
+/** Повтор при кратковременном 502/503/504 без сброса всего UI в bootstrap. */
 async function fetchWithGatewayRetry(url: string, init: RequestInit): Promise<Response> {
   let lastNetworkError: unknown;
   for (let attempt = 0; attempt < GATEWAY_RETRY_ATTEMPTS; attempt++) {
@@ -843,24 +840,14 @@ async function fetchWithGatewayRetry(url: string, init: RequestInit): Promise<Re
         markApiGatewayReady();
       }
       if (GATEWAY_RETRY_STATUS.has(response.status) && attempt + 1 < GATEWAY_RETRY_ATTEMPTS) {
-        invalidateApiGatewayReady();
-        try {
-          await ensureApiGatewayReady(true);
-        } catch {
-          await sleep(gatewayRetryDelay(attempt));
-        }
+        await sleep(gatewayRetryDelay(attempt));
         continue;
       }
       return response;
     } catch (error) {
       lastNetworkError = error;
       if (attempt + 1 < GATEWAY_RETRY_ATTEMPTS) {
-        invalidateApiGatewayReady();
-        try {
-          await ensureApiGatewayReady(true);
-        } catch {
-          await sleep(gatewayRetryDelay(attempt));
-        }
+        await sleep(gatewayRetryDelay(attempt));
         continue;
       }
       throw mapFetchError(error);