Merge pull request #232 from BEDOLAGA-DEV/dev

Dev

src/App.tsx

@@ -90,7 +90,8 @@ const AdminPinnedMessageCreate = lazy(() => import('./pages/AdminPinnedMessageCr
 const AdminEmailTemplatePreview = lazy(() => import('./pages/AdminEmailTemplatePreview'));
 
 function ProtectedRoute({ children }: { children: React.ReactNode }) {
-  const { isAuthenticated, isLoading } = useAuthStore();
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
+  const isLoading = useAuthStore((state) => state.isLoading);
   const location = useLocation();
 
   if (isLoading) {
@@ -107,7 +108,9 @@ function ProtectedRoute({ children }: { children: React.ReactNode }) {
 }
 
 function AdminRoute({ children }: { children: React.ReactNode }) {
-  const { isAuthenticated, isLoading, isAdmin } = useAuthStore();
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
+  const isLoading = useAuthStore((state) => state.isLoading);
+  const isAdmin = useAuthStore((state) => state.isAdmin);
   const location = useLocation();
 
   if (isLoading) {
@@ -133,7 +136,7 @@ function LazyPage({ children }: { children: React.ReactNode }) {
 }
 
 function BlockingOverlay() {
-  const { blockingType } = useBlockingStore();
+  const blockingType = useBlockingStore((state) => state.blockingType);
 
   if (blockingType === 'maintenance') {
     return <MaintenanceScreen />;

src/AppWithNavigator.tsx

@@ -16,6 +16,8 @@ import { ToastProvider } from './components/Toast';
 import { TooltipProvider } from './components/primitives/Tooltip';
 import { isInTelegramWebApp } from './hooks/useTelegramSDK';
 
+const TWEMOJI_OPTIONS = { className: 'twemoji', folder: 'svg', ext: '.svg' } as const;
+
 /**
  * Manages Telegram BackButton visibility based on navigation location.
  * Shows back button on non-root routes, hides on root.
@@ -77,7 +79,7 @@ export function AppWithNavigator() {
             <TooltipProvider>
               <ToastProvider>
                 <WebSocketProvider>
-                  <Twemoji options={{ className: 'twemoji', folder: 'svg', ext: '.svg' }}>
+                  <Twemoji options={TWEMOJI_OPTIONS}>
                     <App />
                   </Twemoji>
                 </WebSocketProvider>

src/api/adminTraffic.ts

@@ -63,6 +63,7 @@ export type TrafficParams = {
 };
 
 const CACHE_TTL = 5 * 60 * 1000; // 5 minutes
+const MAX_CACHE_ENTRIES = 20;
 
 const trafficCache = new Map<string, { data: TrafficUsageResponse; timestamp: number }>();
 
@@ -106,6 +107,16 @@ export const adminTrafficApi = {
 
     trafficCache.set(key, { data, timestamp: Date.now() });
 
+    // Evict oldest entries to prevent unbounded memory growth
+    if (trafficCache.size > MAX_CACHE_ENTRIES) {
+      const iterator = trafficCache.keys();
+      while (trafficCache.size > MAX_CACHE_ENTRIES) {
+        const oldest = iterator.next();
+        if (oldest.done) break;
+        trafficCache.delete(oldest.value);
+      }
+    }
+
     return data;
   },
 

src/components/SuccessNotificationModal.tsx

@@ -78,7 +78,9 @@ const CloseIcon = () => (
 export default function SuccessNotificationModal() {
   const { t } = useTranslation();
   const navigate = useNavigate();
-  const { isOpen, data, hide } = useSuccessNotification();
+  const isOpen = useSuccessNotification((state) => state.isOpen);
+  const data = useSuccessNotification((state) => state.data);
+  const hide = useSuccessNotification((state) => state.hide);
   const { formatAmount, currencySymbol } = useCurrency();
   const { safeAreaInset, contentSafeAreaInset, isTelegramWebApp } = useTelegramSDK();
   const haptic = useHaptic();

src/components/TicketNotificationBell.tsx

@@ -33,7 +33,7 @@ export default function TicketNotificationBell({ isAdmin = false }: TicketNotifi
   const { t } = useTranslation();
   const navigate = useNavigate();
   const queryClient = useQueryClient();
-  const { isAuthenticated } = useAuthStore();
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
   const { showToast } = useToast();
   const [isOpen, setIsOpen] = useState(false);
   const dropdownRef = useRef<HTMLDivElement>(null);

src/components/Toast.tsx

@@ -221,9 +221,10 @@ function ToastItem({ toast, onClose }: { toast: Toast; onClose: () => void }) {
         {/* Progress bar */}
         <div className="absolute bottom-0 left-0 right-0 h-1 bg-dark-800/50">
           <div
-            className={`h-full ${style.progress} opacity-60`}
+            className={`h-full w-full ${style.progress} opacity-60`}
             style={{
               animation: `shrink ${toast.duration}ms linear forwards`,
+              transformOrigin: 'left',
             }}
           />
         </div>

src/components/WebSocketNotifications.tsx

@@ -18,9 +18,9 @@ export default function WebSocketNotifications() {
   const navigate = useNavigate();
   const queryClient = useQueryClient();
   const { showToast } = useToast();
-  const { refreshUser } = useAuthStore();
+  const refreshUser = useAuthStore((state) => state.refreshUser);
   const { formatAmount, currencySymbol } = useCurrency();
-  const { show: showSuccessModal } = useSuccessNotification();
+  const showSuccessModal = useSuccessNotification((state) => state.show);
 
   const handleMessage = useCallback(
     (message: WSMessage) => {

src/components/blocking/BlacklistedScreen.tsx

@@ -3,7 +3,7 @@ import { useBlockingStore } from '../../store/blocking';
 
 export default function BlacklistedScreen() {
   const { t } = useTranslation();
-  const { blacklistedInfo } = useBlockingStore();
+  const blacklistedInfo = useBlockingStore((state) => state.blacklistedInfo);
 
   return (
     <div className="fixed inset-0 z-[100] flex flex-col items-center justify-center bg-dark-950 p-6">

src/components/blocking/ChannelSubscriptionScreen.tsx

@@ -7,7 +7,8 @@ const CHECK_COOLDOWN_SECONDS = 5;
 
 export default function ChannelSubscriptionScreen() {
   const { t } = useTranslation();
-  const { channelInfo, clearBlocking } = useBlockingStore();
+  const channelInfo = useBlockingStore((state) => state.channelInfo);
+  const clearBlocking = useBlockingStore((state) => state.clearBlocking);
   const [isChecking, setIsChecking] = useState(false);
   const [cooldown, setCooldown] = useState(0);
   const [error, setError] = useState<string | null>(null);

src/components/blocking/MaintenanceScreen.tsx

@@ -3,7 +3,7 @@ import { useBlockingStore } from '../../store/blocking';
 
 export default function MaintenanceScreen() {
   const { t } = useTranslation();
-  const { maintenanceInfo } = useBlockingStore();
+  const maintenanceInfo = useBlockingStore((state) => state.maintenanceInfo);
 
   return (
     <div className="fixed inset-0 z-[100] flex flex-col items-center justify-center bg-dark-950 p-6">

src/components/layout/AppShell/AppHeader.tsx

@@ -5,6 +5,7 @@ import { useState, useEffect } from 'react';
 import { initDataUser } from '@telegram-apps/sdk-react';
 
 import { useAuthStore } from '@/store/auth';
+import { useShallow } from 'zustand/shallow';
 import { useTheme } from '@/hooks/useTheme';
 import { usePlatform } from '@/platform';
 import {
@@ -77,7 +78,9 @@ export function AppHeader({
 }: AppHeaderProps) {
   const { t } = useTranslation();
   const location = useLocation();
-  const { user, logout, isAdmin } = useAuthStore();
+  const { user, logout, isAdmin } = useAuthStore(
+    useShallow((state) => ({ user: state.user, logout: state.logout, isAdmin: state.isAdmin })),
+  );
   const { toggleTheme, isDark } = useTheme();
   const { haptic, platform } = usePlatform();
   const [userPhotoUrl, setUserPhotoUrl] = useState<string | null>(null);

src/components/layout/AppShell/AppShell.tsx

@@ -193,7 +193,8 @@ interface AppShellProps {
 export function AppShell({ children }: AppShellProps) {
   const { t } = useTranslation();
   const location = useLocation();
-  const { isAdmin, logout } = useAuthStore();
+  const isAdmin = useAuthStore((state) => state.isAdmin);
+  const logout = useAuthStore((state) => state.logout);
   const { isFullscreen, safeAreaInset, contentSafeAreaInset, platform, isMobile } =
     useTelegramSDK();
   const haptic = useHaptic();

src/components/layout/AppShell/Aurora.tsx

@@ -132,12 +132,13 @@ let _webglAvailable: boolean | null = null;
 function isWebglAvailable(): boolean {
   if (_webglAvailable === null) {
     try {
-      const renderer = new Renderer({
+      const canvas = document.createElement('canvas');
-        alpha: true,
+      const gl = canvas.getContext('webgl2') || canvas.getContext('webgl');
-        antialias: false,
+      _webglAvailable = !!gl;
-        powerPreference: 'low-power',
+      if (gl) {
-      });
+        const loseCtx = gl.getExtension('WEBGL_lose_context');
-      _webglAvailable = !!renderer.gl;
+        if (loseCtx) loseCtx.loseContext();
+      }
     } catch {
       _webglAvailable = false;
     }
@@ -258,15 +259,16 @@ function AuroraImpl() {
     resize();
 
     let lastTime = 0;
-    const targetFPS = 20;
+    const targetFPS = 10;
     const frameInterval = 1000 / targetFPS;
     const speed = 0.3;
 
     function animate(currentTime: number) {
-      animationFrameRef.current = requestAnimationFrame(animate);
-
       const delta = currentTime - lastTime;
-      if (delta < frameInterval) return;
+      if (delta < frameInterval) {
+        animationFrameRef.current = requestAnimationFrame(animate);
+        return;
+      }
 
       lastTime = currentTime - (delta % frameInterval);
 
@@ -274,15 +276,45 @@ function AuroraImpl() {
         programRef.current.uniforms.uTime.value += speed * 0.01;
         rendererRef.current.render({ scene: mesh });
       }
+
+      animationFrameRef.current = requestAnimationFrame(animate);
     }
+
+    function handleVisibilityChange() {
+      if (document.hidden) {
+        cancelAnimationFrame(animationFrameRef.current);
+        animationFrameRef.current = 0;
+      } else {
+        lastTime = 0;
+        animationFrameRef.current = requestAnimationFrame(animate);
+      }
+    }
+    document.addEventListener('visibilitychange', handleVisibilityChange);
+
     animationFrameRef.current = requestAnimationFrame(animate);
 
     return () => {
+      document.removeEventListener('visibilitychange', handleVisibilityChange);
       window.removeEventListener('resize', resize);
       cancelAnimationFrame(animationFrameRef.current);
-      if (rendererRef.current && container.contains(rendererRef.current.gl.canvas)) {
+
-        container.removeChild(rendererRef.current.gl.canvas);
+      if (rendererRef.current) {
+        const glCtx = rendererRef.current.gl;
+
+        // Delete GPU resources
+        if (programRef.current) {
+          glCtx.deleteProgram(programRef.current.program);
+        }
+
+        // Force-release the WebGL context
+        const loseCtx = glCtx.getExtension('WEBGL_lose_context');
+        if (loseCtx) loseCtx.loseContext();
+
+        if (container.contains(glCtx.canvas)) {
+          container.removeChild(glCtx.canvas);
+        }
       }
+
       rendererRef.current = null;
       programRef.current = null;
     };

src/components/layout/AppShell/DesktopSidebar.tsx

@@ -49,7 +49,8 @@ export function DesktopSidebar({
 }: DesktopSidebarProps) {
   const { t } = useTranslation();
   const location = useLocation();
-  const { user, logout } = useAuthStore();
+  const user = useAuthStore((state) => state.user);
+  const logout = useAuthStore((state) => state.logout);
   const { haptic } = usePlatform();
 
   // Branding

src/components/navigation/CommandPalette/CommandPalette.tsx

@@ -62,7 +62,7 @@ export function CommandPalette({
   const { t } = useTranslation();
   const navigate = useNavigate();
   const { haptic } = usePlatform();
-  const { isAdmin } = useAuthStore();
+  const isAdmin = useAuthStore((state) => state.isAdmin);
   const { toggleTheme, isDark } = useTheme();
   const [search, setSearch] = useState('');
 

src/hooks/useBranding.ts

@@ -1,4 +1,4 @@
-import { useEffect } from 'react';
+import { useEffect, useRef } from 'react';
 import { useQuery } from '@tanstack/react-query';
 import { useAuthStore } from '@/store/auth';
 import { useTelegramSDK, setCachedFullscreenEnabled } from '@/hooks/useTelegramSDK';
@@ -14,8 +14,8 @@ const FALLBACK_NAME = import.meta.env.VITE_APP_NAME || 'Cabinet';
 const FALLBACK_LOGO = import.meta.env.VITE_APP_LOGO || 'V';
 
 export function useBranding() {
-  const { isAuthenticated } = useAuthStore();
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
-  const { isFullscreen, isTelegramWebApp, requestFullscreen, isMobile } = useTelegramSDK();
+  const { isTelegramWebApp, requestFullscreen, isMobile } = useTelegramSDK();
 
   // Branding data
   const { data: branding } = useQuery({
@@ -62,13 +62,16 @@ export function useBranding() {
     staleTime: 60000,
   });
 
+  const fullscreenRequestedRef = useRef(false);
+
   useEffect(() => {
     if (!fullscreenSetting || !isTelegramWebApp) return;
     setCachedFullscreenEnabled(fullscreenSetting.enabled);
-    if (fullscreenSetting.enabled && !isFullscreen && isMobile) {
+    if (fullscreenSetting.enabled && isMobile && !fullscreenRequestedRef.current) {
+      fullscreenRequestedRef.current = true;
       requestFullscreen();
     }
-  }, [fullscreenSetting, isTelegramWebApp, isFullscreen, requestFullscreen, isMobile]);
+  }, [fullscreenSetting, isTelegramWebApp, requestFullscreen, isMobile]);
 
   return {
     appName,

src/hooks/useFeatureFlags.ts

@@ -6,7 +6,7 @@ import { contestsApi } from '@/api/contests';
 import { pollsApi } from '@/api/polls';
 
 export function useFeatureFlags() {
-  const { isAuthenticated } = useAuthStore();
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
 
   const { data: referralTerms } = useQuery({
     queryKey: ['referral-terms'],

src/locales/en.json

@@ -2902,6 +2902,7 @@
     "notVerified": "Not verified",
     "verificationRequired": "Please verify your email to use email login.",
     "resendVerification": "Resend Verification Email",
+    "resendIn": "Resend in {{seconds}} sec.",
     "verificationResent": "Verification email resent!",
     "canLoginWithEmail": "You can now log in using your email and password.",
     "emailAlreadyRegistered": "This email is already linked to another account. If this is your email, log in with it or contact support.",

src/locales/fa.json

@@ -2402,6 +2402,7 @@
     "notVerified": "تایید نشده",
     "verificationRequired": "لطفاً ایمیل خود را تایید کنید تا از ورود با ایمیل استفاده کنید.",
     "resendVerification": "ارسال مجدد ایمیل تایید",
+    "resendIn": "ارسال مجدد در {{seconds}} ثانیه",
     "verificationResent": "ایمیل تایید مجدداً ارسال شد!",
     "canLoginWithEmail": "اکنون می‌توانید با ایمیل و رمز عبور وارد شوید.",
     "emailAlreadyRegistered": "این ایمیل قبلاً به حساب دیگری متصل شده است. اگر این ایمیل شماست، با آن وارد شوید یا با پشتیبانی تماس بگیرید.",

src/locales/ru.json

@@ -3454,6 +3454,7 @@
     "notVerified": "Не подтверждён",
     "verificationRequired": "Подтвердите email для использования входа по почте.",
     "resendVerification": "Отправить письмо повторно",
+    "resendIn": "Повторить через {{seconds}} сек.",
     "verificationResent": "Письмо отправлено повторно!",
     "canLoginWithEmail": "Теперь вы можете входить с помощью email и пароля.",
     "emailAlreadyRegistered": "Этот email уже привязан к другому аккаунту. Если это ваш email, войдите через него или обратитесь в поддержку.",

src/locales/zh.json

@@ -2401,6 +2401,7 @@
     "notVerified": "未验证",
     "verificationRequired": "请验证邮箱以使用邮箱登录。",
     "resendVerification": "重新发送验证邮件",
+    "resendIn": "{{seconds}} 秒后重新发送",
     "verificationResent": "验证邮件已重新发送！",
     "canLoginWithEmail": "现在您可以使用邮箱和密码登录。",
     "emailAlreadyRegistered": "此邮箱已绑定到其他账户。如果这是您的邮箱，请使用邮箱登录或联系客服。",

src/pages/AdminBanSystem.tsx

@@ -411,8 +411,8 @@ export default function AdminBanSystem() {
   const formatBytes = (bytes: number) => {
     if (bytes === 0) return '0 B';
     const k = 1024;
-    const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
+    const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB'];
-    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    const i = Math.min(Math.floor(Math.log(bytes) / Math.log(k)), sizes.length - 1);
     return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`;
   };
 

src/pages/AdminBroadcastCreate.tsx

@@ -1,4 +1,4 @@
-import { useState, useRef, useMemo } from 'react';
+import { useState, useRef, useMemo, useEffect } from 'react';
 import { useNavigate } from 'react-router';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { useTranslation } from 'react-i18next';
@@ -135,6 +135,14 @@ export default function AdminBroadcastCreate() {
   const [mediaPreview, setMediaPreview] = useState<string | null>(null);
   const [uploadedFileId, setUploadedFileId] = useState<string | null>(null);
   const [isUploading, setIsUploading] = useState(false);
+  const mediaPreviewRef = useRef<string | null>(null);
+
+  // Revoke blob URLs on unmount to prevent memory leaks
+  useEffect(() => {
+    return () => {
+      if (mediaPreviewRef.current) URL.revokeObjectURL(mediaPreviewRef.current);
+    };
+  }, []);
 
   // Email-specific state
   const [emailSubject, setEmailSubject] = useState('');
@@ -271,7 +279,10 @@ export default function AdminBroadcastCreate() {
 
     if (file.type.startsWith('image/')) {
       setMediaType('photo');
-      setMediaPreview(URL.createObjectURL(file));
+      if (mediaPreviewRef.current) URL.revokeObjectURL(mediaPreviewRef.current);
+      const url = URL.createObjectURL(file);
+      mediaPreviewRef.current = url;
+      setMediaPreview(url);
     } else if (file.type.startsWith('video/')) {
       setMediaType('video');
       setMediaPreview(null);
@@ -295,6 +306,10 @@ export default function AdminBroadcastCreate() {
 
   // Remove media
   const handleRemoveMedia = () => {
+    if (mediaPreviewRef.current) {
+      URL.revokeObjectURL(mediaPreviewRef.current);
+      mediaPreviewRef.current = null;
+    }
     setMediaFile(null);
     setMediaPreview(null);
     setUploadedFileId(null);

src/pages/AdminBroadcasts.tsx

@@ -137,7 +137,13 @@ export default function AdminBroadcasts() {
   const { data, isLoading, refetch } = useQuery({
     queryKey: ['admin', 'broadcasts', 'list', page],
     queryFn: () => adminBroadcastsApi.list(limit, page * limit),
-    refetchInterval: 5000, // Auto refresh every 5s
+    refetchInterval: (query) => {
+      const items = query.state.data?.items;
+      const hasActive = items?.some((b: { status: string }) =>
+        ['queued', 'in_progress', 'cancelling'].includes(b.status),
+      );
+      return hasActive ? 5000 : false;
+    },
   });
 
   const broadcasts = data?.items || [];

src/pages/AdminPinnedMessageCreate.tsx

@@ -86,6 +86,14 @@ export default function AdminPinnedMessageCreate() {
   const [uploadedFileId, setUploadedFileId] = useState<string | null>(null);
   const [isUploading, setIsUploading] = useState(false);
   const [existingMediaType, setExistingMediaType] = useState<'photo' | 'video' | null>(null);
+  const mediaPreviewRef = useRef<string | null>(null);
+
+  // Revoke blob URLs on unmount to prevent memory leaks
+  useEffect(() => {
+    return () => {
+      if (mediaPreviewRef.current) URL.revokeObjectURL(mediaPreviewRef.current);
+    };
+  }, []);
 
   // Load existing message for editing
   const { data: existingMessage, isLoading: isLoadingMessage } = useQuery({
@@ -138,7 +146,10 @@ export default function AdminPinnedMessageCreate() {
     let detectedType: 'photo' | 'video' = 'photo';
     if (file.type.startsWith('image/')) {
       detectedType = 'photo';
-      setMediaPreview(URL.createObjectURL(file));
+      if (mediaPreviewRef.current) URL.revokeObjectURL(mediaPreviewRef.current);
+      const url = URL.createObjectURL(file);
+      mediaPreviewRef.current = url;
+      setMediaPreview(url);
     } else if (file.type.startsWith('video/')) {
       detectedType = 'video';
       setMediaPreview(null);
@@ -159,6 +170,10 @@ export default function AdminPinnedMessageCreate() {
 
   // Remove media
   const handleRemoveMedia = () => {
+    if (mediaPreviewRef.current) {
+      URL.revokeObjectURL(mediaPreviewRef.current);
+      mediaPreviewRef.current = null;
+    }
     setMediaFile(null);
     setMediaPreview(null);
     setUploadedFileId(null);

src/pages/AdminRemnawave.tsx

@@ -42,8 +42,8 @@ const BackIcon = () => (
 const formatBytes = (bytes: number): string => {
   if (bytes === 0) return '0 B';
   const k = 1024;
-  const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
+  const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB'];
-  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  const i = Math.min(Math.floor(Math.log(bytes) / Math.log(k)), sizes.length - 1);
   return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
 };
 
@@ -363,9 +363,15 @@ function OverviewTab({ stats, isLoading, onRefresh }: OverviewTabProps) {
     );
   }
 
+  // Use (total - available) instead of raw "used" to exclude disk cache/buffers
+  // This matches what htop/free show as actual application memory usage
+  const memoryActualUsed =
+    stats.server_info.memory_available > 0
+      ? stats.server_info.memory_total - stats.server_info.memory_available
+      : stats.server_info.memory_used;
   const memoryUsedPercent =
     stats.server_info.memory_total > 0
-      ? Math.round((stats.server_info.memory_used / stats.server_info.memory_total) * 100)
+      ? Math.round((memoryActualUsed / stats.server_info.memory_total) * 100)
       : 0;
 
   return (
@@ -446,7 +452,7 @@ function OverviewTab({ stats, isLoading, onRefresh }: OverviewTabProps) {
           <StatCard
             label={t('admin.remnawave.overview.memory', 'Memory')}
             value={`${memoryUsedPercent}%`}
-            subValue={`${formatBytes(stats.server_info.memory_used)} / ${formatBytes(stats.server_info.memory_total)}`}
+            subValue={`${formatBytes(memoryActualUsed)} / ${formatBytes(stats.server_info.memory_total)}`}
             icon={<span className="text-lg">💾</span>}
             color={memoryUsedPercent > 80 ? 'red' : memoryUsedPercent > 60 ? 'orange' : 'green'}
           />

src/pages/AdminTrafficUsage.tsx

@@ -35,8 +35,8 @@ declare module '@tanstack/react-table' {
 const formatBytes = (bytes: number): string => {
   if (!Number.isFinite(bytes) || bytes <= 0) return '0 B';
   const k = 1024;
-  const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
+  const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB'];
-  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  const i = Math.min(Math.floor(Math.log(bytes) / Math.log(k)), sizes.length - 1);
   return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
 };
 

src/pages/AdminUserDetail.tsx

@@ -766,10 +766,10 @@ export default function AdminUserDetail() {
 
   const formatBytes = (bytes: number) => {
     if (bytes === 0) return '0 B';
-    if (bytes < 1024) return `${bytes} B`;
+    const k = 1024;
-    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
+    const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB'];
-    if (bytes < 1024 * 1024 * 1024) return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
+    const i = Math.min(Math.floor(Math.log(bytes) / Math.log(k)), sizes.length - 1);
-    return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
+    return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`;
   };
 
   const copyToClipboard = async (text: string) => {

src/pages/Balance.tsx

@@ -40,7 +40,7 @@ const WalletIcon = ({ className = 'h-8 w-8' }: { className?: string }) => (
 
 export default function Balance() {
   const { t } = useTranslation();
-  const { refreshUser } = useAuthStore();
+  const refreshUser = useAuthStore((state) => state.refreshUser);
   const queryClient = useQueryClient();
   const { formatAmount, currencySymbol } = useCurrency();
   const [searchParams] = useSearchParams();

src/pages/Connection.tsx

@@ -14,7 +14,8 @@ import InstallationGuide from '../components/connection/InstallationGuide';
 export default function Connection() {
   const { t, i18n } = useTranslation();
   const navigate = useNavigate();
-  const { user, isAdmin } = useAuthStore();
+  const user = useAuthStore((state) => state.user);
+  const isAdmin = useAuthStore((state) => state.isAdmin);
   const { isTelegramWebApp } = useTelegramSDK();
   const { impact: hapticImpact } = useHaptic();
 

src/pages/Dashboard.tsx

@@ -48,14 +48,15 @@ const RefreshIcon = ({ className = 'w-4 h-4' }: { className?: string }) => (
 
 export default function Dashboard() {
   const { t } = useTranslation();
-  const { user, refreshUser } = useAuthStore();
+  const user = useAuthStore((state) => state.user);
+  const refreshUser = useAuthStore((state) => state.refreshUser);
   const queryClient = useQueryClient();
   const navigate = useNavigate();
   const { formatAmount, currencySymbol, formatPositive } = useCurrency();
   const [trialError, setTrialError] = useState<string | null>(null);
   const { isCompleted: isOnboardingCompleted, complete: completeOnboarding } = useOnboarding();
   const [showOnboarding, setShowOnboarding] = useState(false);
-  const { blockingType } = useBlockingStore();
+  const blockingType = useBlockingStore((state) => state.blockingType);
 
   // Refresh user data on mount
   useEffect(() => {

src/pages/DeepLinkRedirect.tsx

@@ -61,9 +61,24 @@ export default function DeepLinkRedirect() {
   const logoLetter = branding?.logo_letter || import.meta.env.VITE_APP_LOGO || 'V';
   const logoUrl = branding ? brandingApi.getLogoUrl(branding) : null;
 
+  // Parse raw query string to preserve '+' chars in base64 crypto links.
+  // URLSearchParams decodes '+' as space, breaking ss://, vless:// etc.
+  // decodeURIComponent does NOT treat '+' as space, so parsing raw pairs is correct.
+  const getRawParam = (key: string): string => {
+    const search = window.location.search.substring(1);
+    for (const pair of search.split('&')) {
+      const idx = pair.indexOf('=');
+      if (idx === -1) continue;
+      if (decodeURIComponent(pair.substring(0, idx)) === key) {
+        return decodeURIComponent(pair.substring(idx + 1));
+      }
+    }
+    return '';
+  };
+
   // Get parameters
-  const deepLink = searchParams.get('url') || searchParams.get('deeplink') || '';
+  const deepLink = getRawParam('url') || getRawParam('deeplink') || '';
-  const subscriptionUrl = searchParams.get('sub') || '';
+  const subscriptionUrl = getRawParam('sub') || '';
   const appParam = searchParams.get('app') || '';
 
   // Detect app from deep link

src/pages/Login.tsx

@@ -3,6 +3,7 @@ import { useNavigate, useLocation } from 'react-router';
 import { useTranslation } from 'react-i18next';
 import { useQuery } from '@tanstack/react-query';
 import { useAuthStore } from '../store/auth';
+import { useShallow } from 'zustand/shallow';
 import { authApi } from '../api/auth';
 import { isValidEmail } from '../utils/validation';
 import {
@@ -32,7 +33,15 @@ export default function Login() {
     loginWithTelegram,
     loginWithEmail,
     registerWithEmail,
-  } = useAuthStore();
+  } = useAuthStore(
+    useShallow((state) => ({
+      isAuthenticated: state.isAuthenticated,
+      isLoading: state.isLoading,
+      loginWithTelegram: state.loginWithTelegram,
+      loginWithEmail: state.loginWithEmail,
+      registerWithEmail: state.registerWithEmail,
+    })),
+  );
 
   // Get referral code from localStorage (captured from ?ref= param at module level in auth store)
   const referralCode = getPendingReferralCode() || '';

src/pages/OAuthCallback.tsx

@@ -26,7 +26,8 @@ export default function OAuthCallback() {
   const navigate = useNavigate();
   const [searchParams] = useSearchParams();
   const [error, setError] = useState('');
-  const { loginWithOAuth, isAuthenticated } = useAuthStore();
+  const loginWithOAuth = useAuthStore((state) => state.loginWithOAuth);
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
 
   useEffect(() => {
     if (isAuthenticated) {

src/pages/Profile.tsx

@@ -61,7 +61,8 @@ const PencilIcon = () => (
 
 export default function Profile() {
   const { t } = useTranslation();
-  const { user, setUser } = useAuthStore();
+  const user = useAuthStore((state) => state.user);
+  const setUser = useAuthStore((state) => state.setUser);
   const queryClient = useQueryClient();
 
   const [email, setEmail] = useState('');
@@ -77,6 +78,7 @@ export default function Profile() {
   const [changeCode, setChangeCode] = useState('');
   const [changeError, setChangeError] = useState<string | null>(null);
   const [resendCooldown, setResendCooldown] = useState(0);
+  const [verificationResendCooldown, setVerificationResendCooldown] = useState(0);
   const newEmailInputRef = useRef<HTMLInputElement>(null);
   const codeInputRef = useRef<HTMLInputElement>(null);
 
@@ -171,6 +173,7 @@ export default function Profile() {
     onSuccess: () => {
       setSuccess(t('profile.verificationResent'));
       setError(null);
+      setVerificationResendCooldown(UI.RESEND_COOLDOWN_SEC);
     },
     onError: (err: { response?: { data?: { detail?: string } } }) => {
       setError(err.response?.data?.detail || t('common.error'));
@@ -228,7 +231,7 @@ export default function Profile() {
     },
   });
 
-  // Resend cooldown timer
+  // Resend cooldown timers
   useEffect(() => {
     if (resendCooldown <= 0) return;
     const timer = setInterval(() => {
@@ -237,6 +240,14 @@ export default function Profile() {
     return () => clearInterval(timer);
   }, [resendCooldown]);
 
+  useEffect(() => {
+    if (verificationResendCooldown <= 0) return;
+    const timer = setInterval(() => {
+      setVerificationResendCooldown((prev) => Math.max(0, prev - 1));
+    }, 1000);
+    return () => clearInterval(timer);
+  }, [verificationResendCooldown]);
+
   // Auto-focus inputs on step change
   useEffect(() => {
     const timer = setTimeout(() => {
@@ -454,34 +465,34 @@ export default function Profile() {
                       <Button
                         onClick={() => resendVerificationMutation.mutate()}
                         loading={resendVerificationMutation.isPending}
+                        disabled={verificationResendCooldown > 0}
                       >
-                        {t('profile.resendVerification')}
+                        {verificationResendCooldown > 0
+                          ? t('profile.resendIn', { seconds: verificationResendCooldown })
+                          : t('profile.resendVerification')}
                       </Button>
-                      {(user.auth_type === 'telegram' || user.auth_type === 'email') && (
+                      <button
-                        <button
+                        onClick={() => setChangeEmailStep('email')}
-                          onClick={() => setChangeEmailStep('email')}
+                        className="text-sm text-accent-400 transition-colors hover:text-accent-300"
-                          className="text-sm text-accent-400 transition-colors hover:text-accent-300"
+                      >
-                        >
+                        {t('profile.changeEmail.button')}
-                          {t('profile.changeEmail.button')}
+                      </button>
-                        </button>
-                      )}
                     </div>
                   </div>
                 )}
 
-                {user.email_verified &&
+                {user.email_verified && (
-                  (user.auth_type === 'telegram' || user.auth_type === 'email') && (
+                  <div className="flex items-center justify-between">
-                    <div className="flex items-center justify-between">
+                    <p className="text-sm text-dark-400">{t('profile.canLoginWithEmail')}</p>
-                      <p className="text-sm text-dark-400">{t('profile.canLoginWithEmail')}</p>
+                    <button
-                      <button
+                      onClick={() => setChangeEmailStep('email')}
-                        onClick={() => setChangeEmailStep('email')}
+                      className="flex items-center gap-2 text-sm text-accent-400 transition-colors hover:text-accent-300"
-                        className="flex items-center gap-2 text-sm text-accent-400 transition-colors hover:text-accent-300"
+                    >
-                      >
+                      <PencilIcon />
-                        <PencilIcon />
+                      <span>{t('profile.changeEmail.button')}</span>
-                        <span>{t('profile.changeEmail.button')}</span>
+                    </button>
-                      </button>
+                  </div>
-                    </div>
+                )}
-                  )}
 
                 {/* Inline email change flow */}
                 <AnimatePresence>

src/pages/ReferralPartnerApply.tsx

@@ -114,6 +114,7 @@ export default function ReferralPartnerApply() {
             <input
               type="number"
               min={0}
+              max={2000000000}
               className="input w-full"
               value={form.expected_monthly_referrals ?? ''}
               onChange={(e) =>

src/pages/Subscription.tsx

@@ -89,24 +89,47 @@ export default function Subscription() {
   // Helper to format price from kopeks
   const formatPrice = (kopeks: number) => `${formatAmount(kopeks / 100)} ${currencySymbol}`;
 
-  // Helper to apply promo discount to a price
+  // Helper to apply promo discount to a price, stacking with existing promo group discount
   const applyPromoDiscount = (
     priceKopeks: number,
-    hasExistingDiscount: boolean = false,
+    existingOriginalPrice?: number | null,
   ): {
     price: number;
     original: number | null;
     percent: number | null;
+    isPromoGroup: boolean;
   } => {
-    // Only apply promo discount if no existing discount (from promo group) and we have an active promo discount
+    const hasExisting = (existingOriginalPrice ?? 0) > priceKopeks;
-    if (!activeDiscount?.is_active || !activeDiscount.discount_percent || hasExistingDiscount) {
+    const hasPromo = !!activeDiscount?.is_active && !!activeDiscount.discount_percent;
-      return { price: priceKopeks, original: null, percent: null };
+
+    if (!hasExisting && !hasPromo) {
+      return { price: priceKopeks, original: null, percent: null, isPromoGroup: false };
     }
-    const discountedPrice = Math.round(priceKopeks * (1 - activeDiscount.discount_percent / 100));
+
+    let finalPrice = priceKopeks;
+    if (hasPromo) {
+      finalPrice = Math.round(priceKopeks * (1 - activeDiscount!.discount_percent! / 100));
+    }
+
+    if (hasExisting) {
+      // Promo group discount exists — calculate combined percent from deepest original
+      const combinedPercent = hasPromo
+        ? Math.round((1 - finalPrice / existingOriginalPrice!) * 100)
+        : Math.round((1 - priceKopeks / existingOriginalPrice!) * 100);
+      return {
+        price: finalPrice,
+        original: existingOriginalPrice!,
+        percent: combinedPercent,
+        isPromoGroup: true,
+      };
+    }
+
+    // Only promo offer discount (no promo group)
     return {
-      price: discountedPrice,
+      price: finalPrice,
       original: priceKopeks,
-      percent: activeDiscount.discount_percent,
+      percent: activeDiscount!.discount_percent!,
+      isPromoGroup: false,
     };
   };
 
@@ -2338,7 +2361,9 @@ export default function Subscription() {
                           <div>
                             <div className="text-lg font-semibold text-dark-100">{tariff.name}</div>
                             {tariff.description && (
-                              <div className="mt-1 text-sm text-dark-400">{tariff.description}</div>
+                              <div className="mt-1 whitespace-pre-line text-sm text-dark-400">
+                                {tariff.description}
+                              </div>
                             )}
                           </div>
                           {isCurrentTariff && (
@@ -2416,41 +2441,34 @@ export default function Subscription() {
                             const dailyPrice =
                               tariff.daily_price_kopeks ?? tariff.price_per_day_kopeks ?? 0;
                             const originalDailyPrice = tariff.original_daily_price_kopeks || 0;
-                            const hasExistingDailyDiscount = originalDailyPrice > dailyPrice;
                             if (dailyPrice > 0) {
-                              // Apply promo discount if no existing discount
                               const promoDaily = applyPromoDiscount(
                                 dailyPrice,
-                                hasExistingDailyDiscount,
+                                originalDailyPrice > dailyPrice ? originalDailyPrice : undefined,
                               );
                               return (
                                 <span className="flex items-center gap-2">
                                   <span className="font-medium text-accent-400">
                                     {formatPrice(promoDaily.price)}
                                   </span>
-                                  {/* Show original price from promo group or promo offer */}
+                                  {promoDaily.original &&
-                                  {(hasExistingDailyDiscount || promoDaily.original) && (
+                                    promoDaily.original > promoDaily.price && (
-                                    <span className="text-xs text-dark-500 line-through">
+                                      <span className="text-xs text-dark-500 line-through">
-                                      {formatPrice(
+                                        {formatPrice(promoDaily.original)}
-                                        hasExistingDailyDiscount
+                                      </span>
-                                          ? originalDailyPrice
+                                    )}
-                                          : promoDaily.original!,
-                                      )}
-                                    </span>
-                                  )}
                                   <span>{t('subscription.tariff.perDay')}</span>
                                   {/* Show discount badge */}
-                                  {tariff.daily_discount_percent &&
+                                  {promoDaily.percent && promoDaily.percent > 0 && (
-                                  tariff.daily_discount_percent > 0 ? (
+                                    <span
-                                    <span className="rounded bg-success-500/20 px-1.5 py-0.5 text-xs text-success-400">
+                                      className={`rounded px-1.5 py-0.5 text-xs ${
-                                      -{tariff.daily_discount_percent}%
+                                        promoDaily.isPromoGroup
+                                          ? 'bg-success-500/20 text-success-400'
+                                          : 'bg-orange-500/20 text-orange-400'
+                                      }`}
+                                    >
+                                      -{promoDaily.percent}%
                                     </span>
-                                  ) : (
-                                    promoDaily.percent && (
-                                      <span className="rounded bg-orange-500/20 px-1.5 py-0.5 text-xs text-orange-400">
-                                        -{promoDaily.percent}%
-                                      </span>
-                                    )
                                   )}
                                 </span>
                               );
@@ -2458,14 +2476,9 @@ export default function Subscription() {
                             // Period-based price
                             if (tariff.periods.length > 0) {
                               const firstPeriod = tariff.periods[0];
-                              const hasExistingDiscount = !!(
-                                firstPeriod?.original_price_kopeks &&
-                                firstPeriod.original_price_kopeks > firstPeriod.price_kopeks
-                              );
-                              // Apply promo discount if no existing discount
                               const promoPeriod = applyPromoDiscount(
                                 firstPeriod?.price_kopeks || 0,
-                                hasExistingDiscount,
+                                firstPeriod?.original_price_kopeks,
                               );
                               return (
                                 <span className="flex flex-wrap items-center gap-2">
@@ -2473,27 +2486,22 @@ export default function Subscription() {
                                   <span className="font-medium text-accent-400">
                                     {formatPrice(promoPeriod.price)}
                                   </span>
-                                  {/* Show original price from promo group or promo offer */}
+                                  {promoPeriod.original &&
-                                  {(hasExistingDiscount || promoPeriod.original) && (
+                                    promoPeriod.original > promoPeriod.price && (
-                                    <span className="text-xs text-dark-500 line-through">
+                                      <span className="text-xs text-dark-500 line-through">
-                                      {formatPrice(
+                                        {formatPrice(promoPeriod.original)}
-                                        hasExistingDiscount
-                                          ? firstPeriod.original_price_kopeks!
-                                          : promoPeriod.original!,
-                                      )}
-                                    </span>
-                                  )}
-                                  {/* Show discount badge */}
-                                  {hasExistingDiscount && firstPeriod.discount_percent ? (
-                                    <span className="rounded bg-success-500/20 px-1.5 py-0.5 text-xs text-success-400">
-                                      -{firstPeriod.discount_percent}%
-                                    </span>
-                                  ) : (
-                                    promoPeriod.percent && (
-                                      <span className="rounded bg-orange-500/20 px-1.5 py-0.5 text-xs text-orange-400">
-                                        -{promoPeriod.percent}%
                                       </span>
-                                    )
+                                    )}
+                                  {promoPeriod.percent && promoPeriod.percent > 0 && (
+                                    <span
+                                      className={`rounded px-1.5 py-0.5 text-xs ${
+                                        promoPeriod.isPromoGroup
+                                          ? 'bg-success-500/20 text-success-400'
+                                          : 'bg-orange-500/20 text-orange-400'
+                                      }`}
+                                    >
+                                      -{promoPeriod.percent}%
+                                    </span>
                                   )}
                                 </span>
                               );
@@ -2702,24 +2710,17 @@ export default function Subscription() {
                       {selectedTariff.periods.length > 0 && !useCustomDays && (
                         <div className="mb-4 grid grid-cols-2 gap-3 sm:grid-cols-3">
                           {selectedTariff.periods.map((period) => {
-                            const hasExistingDiscount = !!(
-                              period.original_price_kopeks &&
-                              period.original_price_kopeks > period.price_kopeks
-                            );
                             const promoPeriod = applyPromoDiscount(
                               period.price_kopeks,
-                              hasExistingDiscount,
+                              period.original_price_kopeks,
                             );
-                            const displayDiscount = hasExistingDiscount
+                            const displayDiscount = promoPeriod.percent;
-                              ? period.discount_percent
+                            const displayOriginal = promoPeriod.original;
-                              : promoPeriod.percent;
-                            const displayOriginal = hasExistingDiscount
-                              ? period.original_price_kopeks
-                              : promoPeriod.original;
                             const displayPrice = promoPeriod.price;
-                            const displayPerMonth = hasExistingDiscount
+                            const displayPerMonth =
-                              ? period.price_per_month_kopeks
+                              displayPrice !== period.price_kopeks
-                              : Math.round(promoPeriod.price / (period.days / 30));
+                                ? Math.round(displayPrice / Math.max(1, period.days / 30))
+                                : period.price_per_month_kopeks;
 
                             return (
                               <button
@@ -2737,7 +2738,7 @@ export default function Subscription() {
                                 {displayDiscount && displayDiscount > 0 && (
                                   <div
                                     className={`absolute -right-2 -top-2 rounded-full px-2 py-0.5 text-xs font-medium text-white ${
-                                      hasExistingDiscount ? 'bg-success-500' : 'bg-orange-500'
+                                      promoPeriod.isPromoGroup ? 'bg-success-500' : 'bg-orange-500'
                                     }`}
                                   >
                                     -{displayDiscount}%
@@ -2821,14 +2822,15 @@ export default function Subscription() {
                                 {(() => {
                                   const basePrice =
                                     customDays * (selectedTariff.price_per_day_kopeks ?? 0);
-                                  const hasExistingDiscount = !!(
+                                  const existingOriginal =
                                     selectedTariff.original_price_per_day_kopeks &&
                                     selectedTariff.original_price_per_day_kopeks >
                                       (selectedTariff.price_per_day_kopeks ?? 0)
-                                  );
+                                      ? customDays * selectedTariff.original_price_per_day_kopeks
+                                      : undefined;
                                   const promoCustom = applyPromoDiscount(
                                     basePrice,
-                                    hasExistingDiscount,
+                                    existingOriginal,
                                   );
                                   return (
                                     <div className="flex justify-between text-sm">
@@ -2841,16 +2843,23 @@ export default function Subscription() {
                                         <span className="font-medium text-accent-400">
                                           {formatPrice(promoCustom.price)}
                                         </span>
-                                        {promoCustom.original && (
+                                        {promoCustom.original &&
-                                          <>
+                                          promoCustom.original > promoCustom.price && (
-                                            <span className="text-xs text-dark-500 line-through">
+                                            <>
-                                              {formatPrice(promoCustom.original)}
+                                              <span className="text-xs text-dark-500 line-through">
-                                            </span>
+                                                {formatPrice(promoCustom.original)}
-                                            <span className="rounded bg-orange-500/20 px-1.5 py-0.5 text-xs text-orange-400">
+                                              </span>
-                                              -{promoCustom.percent}%
+                                              <span
-                                            </span>
+                                                className={`rounded px-1.5 py-0.5 text-xs ${
-                                          </>
+                                                  promoCustom.isPromoGroup
-                                        )}
+                                                    ? 'bg-success-500/20 text-success-400'
+                                                    : 'bg-orange-500/20 text-orange-400'
+                                                }`}
+                                              >
+                                                -{promoCustom.percent}%
+                                              </span>
+                                            </>
+                                          )}
                                       </div>
                                     </div>
                                   );
@@ -2956,14 +2965,20 @@ export default function Subscription() {
                           const basePeriodPrice = useCustomDays
                             ? customDays * (selectedTariff.price_per_day_kopeks ?? 0)
                             : selectedTariffPeriod?.price_kopeks || 0;
-                          const hasExistingPeriodDiscount =
+                          const existingPeriodOriginal = useCustomDays
-                            !useCustomDays && selectedTariffPeriod?.original_price_kopeks
+                            ? selectedTariff.original_price_per_day_kopeks &&
-                              ? selectedTariffPeriod.original_price_kopeks >
+                              selectedTariff.original_price_per_day_kopeks >
-                                selectedTariffPeriod.price_kopeks
+                                (selectedTariff.price_per_day_kopeks ?? 0)
-                              : false;
+                              ? customDays * selectedTariff.original_price_per_day_kopeks
+                              : undefined
+                            : selectedTariffPeriod?.original_price_kopeks &&
+                                selectedTariffPeriod.original_price_kopeks >
+                                  selectedTariffPeriod.price_kopeks
+                              ? selectedTariffPeriod.original_price_kopeks
+                              : undefined;
                           const promoPeriod = applyPromoDiscount(
                             basePeriodPrice,
-                            hasExistingPeriodDiscount,
+                            existingPeriodOriginal,
                           );
 
                           const trafficPrice =
@@ -2988,11 +3003,12 @@ export default function Subscription() {
                                     </span>
                                     <div className="flex items-center gap-2">
                                       <span>{formatPrice(promoPeriod.price)}</span>
-                                      {promoPeriod.original && (
+                                      {promoPeriod.original &&
-                                        <span className="text-xs text-dark-500 line-through">
+                                        promoPeriod.original > promoPeriod.price && (
-                                          {formatPrice(promoPeriod.original)}
+                                          <span className="text-xs text-dark-500 line-through">
-                                        </span>
+                                            {formatPrice(promoPeriod.original)}
-                                      )}
+                                          </span>
+                                        )}
                                     </div>
                                   </div>
                                 ) : (
@@ -3035,16 +3051,12 @@ export default function Subscription() {
                                           </span>
                                           <div className="flex items-center gap-2">
                                             <span>{formatPrice(promoPeriod.price)}</span>
-                                            {(hasExistingPeriodDiscount ||
+                                            {promoPeriod.original &&
-                                              promoPeriod.original) && (
+                                              promoPeriod.original > promoPeriod.price && (
-                                              <span className="text-xs text-dark-500 line-through">
+                                                <span className="text-xs text-dark-500 line-through">
-                                                {formatPrice(
+                                                  {formatPrice(promoPeriod.original)}
-                                                  hasExistingPeriodDiscount
+                                                </span>
-                                                    ? selectedTariffPeriod.original_price_kopeks!
+                                              )}
-                                                    : promoPeriod.original!,
-                                                )}
-                                              </span>
-                                            )}
                                           </div>
                                         </div>
                                       )}
@@ -3177,19 +3189,10 @@ export default function Subscription() {
               {currentStep === 'period' && classicOptions && (
                 <div className="grid grid-cols-2 gap-3 sm:grid-cols-3">
                   {classicOptions.periods.map((period) => {
-                    const hasExistingDiscount = !!(
-                      period.discount_percent && period.discount_percent > 0
-                    );
                     const promoPeriod = applyPromoDiscount(
                       period.price_kopeks,
-                      hasExistingDiscount,
+                      period.original_price_kopeks,
                     );
-                    const displayDiscount = hasExistingDiscount
-                      ? period.discount_percent
-                      : promoPeriod.percent;
-                    const displayOriginal = hasExistingDiscount
-                      ? period.original_price_kopeks
-                      : promoPeriod.original;
 
                     return (
                       <button
@@ -3219,13 +3222,13 @@ export default function Subscription() {
                             : ''
                         }`}
                       >
-                        {displayDiscount && displayDiscount > 0 && (
+                        {promoPeriod.percent && promoPeriod.percent > 0 && (
                           <div
                             className={`absolute right-2 top-2 z-10 rounded-full px-2 py-0.5 text-xs font-medium text-white shadow-sm ${
-                              hasExistingDiscount ? 'bg-success-500' : 'bg-orange-500'
+                              promoPeriod.isPromoGroup ? 'bg-success-500' : 'bg-orange-500'
                             }`}
                           >
-                            -{displayDiscount}%
+                            -{promoPeriod.percent}%
                           </div>
                         )}
                         <div className="text-lg font-semibold text-dark-100">{period.label}</div>
@@ -3233,9 +3236,9 @@ export default function Subscription() {
                           <span className="font-medium text-accent-400">
                             {formatPrice(promoPeriod.price)}
                           </span>
-                          {displayOriginal && displayOriginal > promoPeriod.price && (
+                          {promoPeriod.original && promoPeriod.original > promoPeriod.price && (
                             <span className="text-sm text-dark-500 line-through">
-                              {formatPrice(displayOriginal)}
+                              {formatPrice(promoPeriod.original)}
                             </span>
                           )}
                         </div>
@@ -3249,12 +3252,9 @@ export default function Subscription() {
               {currentStep === 'traffic' && selectedPeriod?.traffic.options && (
                 <div className="grid grid-cols-2 gap-3 sm:grid-cols-4">
                   {selectedPeriod.traffic.options.map((option) => {
-                    const hasExistingDiscount = !!(
-                      option.discount_percent && option.discount_percent > 0
-                    );
                     const promoTraffic = applyPromoDiscount(
                       option.price_kopeks,
-                      hasExistingDiscount,
+                      option.original_price_kopeks,
                     );
 
                     return (
@@ -3268,41 +3268,24 @@ export default function Subscription() {
                             : ''
                         } ${!option.is_available ? 'cursor-not-allowed opacity-50' : ''}`}
                       >
-                        {(() => {
+                        {promoTraffic.percent && promoTraffic.percent > 0 && (
-                          const trafficDisplayDiscount = hasExistingDiscount
+                          <div
-                            ? option.discount_percent
+                            className={`absolute right-2 top-2 z-10 rounded-full px-2 py-0.5 text-xs font-medium text-white shadow-sm ${
-                            : promoTraffic.percent;
+                              promoTraffic.isPromoGroup ? 'bg-success-500' : 'bg-orange-500'
-                          const trafficDisplayOriginal = hasExistingDiscount
+                            }`}
-                            ? option.original_price_kopeks
+                          >
-                            : promoTraffic.original;
+                            -{promoTraffic.percent}%
-                          return (
+                          </div>
-                            <>
+                        )}
-                              {trafficDisplayDiscount && trafficDisplayDiscount > 0 && (
+                        <div className="text-lg font-semibold text-dark-100">{option.label}</div>
-                                <div
+                        <div className="mt-1 flex flex-wrap items-center justify-center gap-x-2 gap-y-1">
-                                  className={`absolute right-2 top-2 z-10 rounded-full px-2 py-0.5 text-xs font-medium text-white shadow-sm ${
+                          <span className="text-accent-400">{formatPrice(promoTraffic.price)}</span>
-                                    hasExistingDiscount ? 'bg-success-500' : 'bg-orange-500'
+                          {promoTraffic.original && promoTraffic.original > promoTraffic.price && (
-                                  }`}
+                            <span className="text-xs text-dark-500 line-through">
-                                >
+                              {formatPrice(promoTraffic.original)}
-                                  -{trafficDisplayDiscount}%
+                            </span>
-                                </div>
+                          )}
-                              )}
+                        </div>
-                              <div className="text-lg font-semibold text-dark-100">
-                                {option.label}
-                              </div>
-                              <div className="mt-1 flex flex-wrap items-center justify-center gap-x-2 gap-y-1">
-                                <span className="text-accent-400">
-                                  {formatPrice(promoTraffic.price)}
-                                </span>
-                                {trafficDisplayOriginal &&
-                                  trafficDisplayOriginal > promoTraffic.price && (
-                                    <span className="text-xs text-dark-500 line-through">
-                                      {formatPrice(trafficDisplayOriginal)}
-                                    </span>
-                                  )}
-                              </div>
-                            </>
-                          );
-                        })()}
                       </button>
                     );
                   })}
@@ -3322,12 +3305,9 @@ export default function Subscription() {
                       return true;
                     })
                     .map((server) => {
-                      const hasExistingDiscount = !!(
-                        server.discount_percent && server.discount_percent > 0
-                      );
                       const promoServer = applyPromoDiscount(
                         server.price_kopeks,
-                        hasExistingDiscount,
+                        server.original_price_kopeks,
                       );
 
                       return (
@@ -3343,20 +3323,15 @@ export default function Subscription() {
                                 : 'cursor-not-allowed border-dark-800/30 bg-dark-900/30 opacity-50'
                           }`}
                         >
-                          {(() => {
+                          {promoServer.percent && promoServer.percent > 0 ? (
-                            const serverDisplayDiscount = hasExistingDiscount
+                            <div
-                              ? server.discount_percent
+                              className={`absolute right-2 top-2 z-10 rounded-full px-2 py-0.5 text-xs font-medium text-white shadow-sm ${
-                              : promoServer.percent;
+                                promoServer.isPromoGroup ? 'bg-success-500' : 'bg-orange-500'
-                            return serverDisplayDiscount && serverDisplayDiscount > 0 ? (
+                              }`}
-                              <div
+                            >
-                                className={`absolute right-2 top-2 z-10 rounded-full px-2 py-0.5 text-xs font-medium text-white shadow-sm ${
+                              -{promoServer.percent}%
-                                  hasExistingDiscount ? 'bg-success-500' : 'bg-orange-500'
+                            </div>
-                                }`}
+                          ) : null}
-                              >
-                                -{serverDisplayDiscount}%
-                              </div>
-                            ) : null;
-                          })()}
                           <div className="flex items-center gap-3">
                             <div
                               className={`flex h-5 w-5 flex-shrink-0 items-center justify-center rounded border-2 ${
@@ -3374,16 +3349,12 @@ export default function Subscription() {
                                   {formatPrice(promoServer.price)}
                                   {t('subscription.perMonth')}
                                 </span>
-                                {(() => {
+                                {promoServer.original &&
-                                  const serverOriginal = hasExistingDiscount
+                                promoServer.original > promoServer.price ? (
-                                    ? server.original_price_kopeks
+                                  <span className="text-xs text-dark-500 line-through">
-                                    : promoServer.original;
+                                    {formatPrice(promoServer.original)}
-                                  return serverOriginal && serverOriginal > promoServer.price ? (
+                                  </span>
-                                    <span className="text-xs text-dark-500 line-through">
+                                ) : null}
-                                      {formatPrice(serverOriginal)}
-                                    </span>
-                                  ) : null;
-                                })()}
                               </div>
                             </div>
                           </div>
@@ -3448,28 +3419,26 @@ export default function Subscription() {
                   ) : preview ? (
                     <div className="space-y-4 rounded-xl bg-dark-800/50 p-5">
                       {/* Active promo discount banner */}
-                      {activeDiscount?.is_active &&
+                      {activeDiscount?.is_active && activeDiscount.discount_percent && (
-                        activeDiscount.discount_percent &&
+                        <div className="flex items-center justify-center gap-2 rounded-lg border border-orange-500/30 bg-orange-500/10 p-3">
-                        !preview.original_price_kopeks && (
+                          <svg
-                          <div className="flex items-center justify-center gap-2 rounded-lg border border-orange-500/30 bg-orange-500/10 p-3">
+                            className="h-4 w-4 text-orange-400"
-                            <svg
+                            fill="none"
-                              className="h-4 w-4 text-orange-400"
+                            viewBox="0 0 24 24"
-                              fill="none"
+                            stroke="currentColor"
-                              viewBox="0 0 24 24"
+                            strokeWidth={2}
-                              stroke="currentColor"
+                          >
-                              strokeWidth={2}
+                            <path
-                            >
+                              strokeLinecap="round"
-                              <path
+                              strokeLinejoin="round"
-                                strokeLinecap="round"
+                              d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
-                                strokeLinejoin="round"
+                            />
-                                d="M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09z"
+                          </svg>
-                              />
+                          <span className="text-sm font-medium text-orange-400">
-                            </svg>
+                            {t('promo.discountApplied')} -{activeDiscount.discount_percent}%
-                            <span className="text-sm font-medium text-orange-400">
+                          </span>
-                              {t('promo.discountApplied')} -{activeDiscount.discount_percent}%
+                        </div>
-                            </span>
+                      )}
-                          </div>
-                        )}
 
                       {preview.breakdown.map((item, idx) => (
                         <div key={idx} className="flex justify-between text-dark-300">
@@ -3479,16 +3448,10 @@ export default function Subscription() {
                       ))}
 
                       {(() => {
-                        // Apply promo discount if not already applied by server
-                        const hasServerDiscount = !!preview.original_price_kopeks;
                         const promoTotal = applyPromoDiscount(
                           preview.total_price_kopeks,
-                          hasServerDiscount,
+                          preview.original_price_kopeks,
                         );
-                        const displayTotal = promoTotal.price;
-                        const displayOriginal = hasServerDiscount
-                          ? preview.original_price_kopeks
-                          : promoTotal.original;
 
                         return (
                           <div className="flex items-center justify-between border-t border-dark-700/50 pt-4">
@@ -3497,11 +3460,11 @@ export default function Subscription() {
                             </span>
                             <div className="text-right">
                               <div className="text-2xl font-bold text-accent-400">
-                                {formatPrice(displayTotal)}
+                                {formatPrice(promoTotal.price)}
                               </div>
-                              {displayOriginal && (
+                              {promoTotal.original && promoTotal.original > promoTotal.price && (
                                 <div className="text-sm text-dark-500 line-through">
-                                  {formatPrice(displayOriginal)}
+                                  {formatPrice(promoTotal.original)}
                                 </div>
                               )}
                             </div>

src/pages/Support.tsx

@@ -1,4 +1,4 @@
-import { useState, useRef } from 'react';
+import { useState, useRef, useEffect } from 'react';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { useTranslation } from 'react-i18next';
 import { motion } from 'framer-motion';
@@ -151,7 +151,7 @@ export default function Support() {
   log.debug('Component loaded');
 
   const { t } = useTranslation();
-  const { isAdmin } = useAuthStore();
+  const isAdmin = useAuthStore((state) => state.isAdmin);
   const queryClient = useQueryClient();
   const { openTelegramLink, openLink } = usePlatform();
   const [selectedTicket, setSelectedTicket] = useState<TicketDetail | null>(null);
@@ -166,6 +166,34 @@ export default function Support() {
   const [replyAttachment, setReplyAttachment] = useState<MediaAttachment | null>(null);
   const createFileInputRef = useRef<HTMLInputElement>(null);
   const replyFileInputRef = useRef<HTMLInputElement>(null);
+  const createPreviewRef = useRef<string | null>(null);
+  const replyPreviewRef = useRef<string | null>(null);
+
+  // Revoke blob URLs on unmount to prevent memory leaks
+  useEffect(() => {
+    const createRef = createPreviewRef;
+    const replyRef = replyPreviewRef;
+    return () => {
+      if (createRef.current) URL.revokeObjectURL(createRef.current);
+      if (replyRef.current) URL.revokeObjectURL(replyRef.current);
+    };
+  }, []);
+
+  const clearCreateAttachment = () => {
+    if (createPreviewRef.current) {
+      URL.revokeObjectURL(createPreviewRef.current);
+      createPreviewRef.current = null;
+    }
+    clearCreateAttachment();
+  };
+
+  const clearReplyAttachment = () => {
+    if (replyPreviewRef.current) {
+      URL.revokeObjectURL(replyPreviewRef.current);
+      replyPreviewRef.current = null;
+    }
+    clearReplyAttachment();
+  };
 
   // Get support configuration
   const { data: supportConfig, isLoading: configLoading } = useQuery({
@@ -213,8 +241,11 @@ export default function Support() {
       return;
     }
 
-    // Create preview
+    // Revoke old blob URL before creating new one
+    const previewRef = setAttachment === setCreateAttachment ? createPreviewRef : replyPreviewRef;
+    if (previewRef.current) URL.revokeObjectURL(previewRef.current);
     const preview = URL.createObjectURL(file);
+    previewRef.current = preview;
     setAttachment({ file, preview, uploading: true });
 
     try {
@@ -250,7 +281,7 @@ export default function Support() {
       setShowCreateForm(false);
       setNewTitle('');
       setNewMessage('');
-      setCreateAttachment(null);
+      clearCreateAttachment();
       setSelectedTicket(ticket);
     },
   });
@@ -268,7 +299,7 @@ export default function Support() {
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['ticket', selectedTicket?.id] });
       setReplyMessage('');
-      setReplyAttachment(null);
+      clearReplyAttachment();
     },
   });
 
@@ -444,7 +475,7 @@ export default function Support() {
           onClick={() => {
             setShowCreateForm(true);
             setSelectedTicket(null);
-            setCreateAttachment(null);
+            clearCreateAttachment();
           }}
         >
           <PlusIcon />
@@ -469,7 +500,7 @@ export default function Support() {
                   onClick={() => {
                     setSelectedTicket(ticket as unknown as TicketDetail);
                     setShowCreateForm(false);
-                    setReplyAttachment(null);
+                    clearReplyAttachment();
                   }}
                   className={`w-full rounded-bento border p-4 text-left transition-all ${
                     selectedTicket?.id === ticket.id
@@ -574,7 +605,7 @@ export default function Support() {
                   {createAttachment ? (
                     <AttachmentPreview
                       attachment={createAttachment}
-                      onRemove={() => setCreateAttachment(null)}
+                      onRemove={() => clearCreateAttachment()}
                     />
                   ) : (
                     <button
@@ -608,7 +639,7 @@ export default function Support() {
                     variant="secondary"
                     onClick={() => {
                       setShowCreateForm(false);
-                      setCreateAttachment(null);
+                      clearCreateAttachment();
                     }}
                   >
                     {t('common.cancel')}
@@ -715,7 +746,7 @@ export default function Support() {
                         {replyAttachment ? (
                           <AttachmentPreview
                             attachment={replyAttachment}
-                            onRemove={() => setReplyAttachment(null)}
+                            onRemove={() => clearReplyAttachment()}
                           />
                         ) : (
                           <button

src/pages/TelegramCallback.tsx

@@ -8,7 +8,8 @@ export default function TelegramCallback() {
   const navigate = useNavigate();
   const [searchParams] = useSearchParams();
   const [error, setError] = useState('');
-  const { loginWithTelegramWidget, isAuthenticated } = useAuthStore();
+  const loginWithTelegramWidget = useAuthStore((state) => state.loginWithTelegramWidget);
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
 
   useEffect(() => {
     if (isAuthenticated) {

src/pages/TelegramRedirect.tsx

@@ -3,6 +3,7 @@ import { useNavigate, useSearchParams } from 'react-router';
 import { useTranslation } from 'react-i18next';
 import { useQuery } from '@tanstack/react-query';
 import { useAuthStore } from '../store/auth';
+import { useShallow } from 'zustand/shallow';
 import { brandingApi } from '../api/branding';
 import { isInTelegramWebApp, getTelegramInitData } from '../hooks/useTelegramSDK';
 
@@ -33,7 +34,17 @@ export default function TelegramRedirect() {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const [searchParams] = useSearchParams();
-  const { loginWithTelegram, isAuthenticated, isLoading: authLoading } = useAuthStore();
+  const {
+    loginWithTelegram,
+    isAuthenticated,
+    isLoading: authLoading,
+  } = useAuthStore(
+    useShallow((state) => ({
+      loginWithTelegram: state.loginWithTelegram,
+      isAuthenticated: state.isAuthenticated,
+      isLoading: state.isLoading,
+    })),
+  );
   const [status, setStatus] = useState<'loading' | 'success' | 'error' | 'not-telegram'>('loading');
   const [errorMessage, setErrorMessage] = useState('');
   const [retryCount, setRetryCount] = useState(() => {

src/pages/VerifyEmail.tsx

@@ -3,6 +3,7 @@ import { useSearchParams, Link, useNavigate } from 'react-router';
 import { useTranslation } from 'react-i18next';
 import { authApi } from '../api/auth';
 import { useAuthStore } from '../store/auth';
+import { useShallow } from 'zustand/shallow';
 import { consumeCampaignSlug } from '../utils/campaign';
 import { tokenStorage } from '../utils/token';
 import LanguageSwitcher from '../components/LanguageSwitcher';
@@ -13,7 +14,13 @@ export default function VerifyEmail() {
   const [searchParams] = useSearchParams();
   const [status, setStatus] = useState<'loading' | 'success' | 'error'>('loading');
   const [error, setError] = useState('');
-  const { setTokens, setUser, checkAdminStatus } = useAuthStore();
+  const { setTokens, setUser, checkAdminStatus } = useAuthStore(
+    useShallow((state) => ({
+      setTokens: state.setTokens,
+      setUser: state.setUser,
+      checkAdminStatus: state.checkAdminStatus,
+    })),
+  );
   const hasVerified = useRef(false);
 
   useEffect(() => {

src/providers/WebSocketProvider.tsx

@@ -9,7 +9,8 @@ export type { WSMessage } from './WebSocketContext';
 const isDev = import.meta.env.DEV;
 
 export function WebSocketProvider({ children }: { children: React.ReactNode }) {
-  const { accessToken, isAuthenticated } = useAuthStore();
+  const accessToken = useAuthStore((state) => state.accessToken);
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
   const wsRef = useRef<WebSocket | null>(null);
   const reconnectTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
   const pingIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);

src/styles/globals.css

@@ -192,7 +192,7 @@
     position: relative;
   }
 
-  /* Global Noise Texture */
+  /* Global Noise Texture — no mix-blend-mode to avoid fullscreen GPU compositing */
   body::before {
     content: '';
     position: fixed;
@@ -201,7 +201,13 @@
     pointer-events: none;
     background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
     opacity: 0.03;
-    mix-blend-mode: overlay;
+  }
+
+  /* Disable noise on mobile to save GPU */
+  @media (max-width: 1023px) {
+    body::before {
+      display: none;
+    }
   }
 
   /* Optimize main scrollable content */
@@ -440,9 +446,7 @@ img.twemoji {
   /* Glass effect - Dark (optimized for mobile) */
   .glass {
     @apply border border-dark-700/30 bg-dark-900/80;
-    /* GPU acceleration */
     transform: translateZ(0);
-    will-change: transform;
   }
 
   /* Enable backdrop-blur only on desktop where it's performant */
@@ -1431,13 +1435,13 @@ input[type='checkbox']:hover:not(:checked) {
   animation: wheel-glow 2s ease-in-out infinite;
 }
 
-/* Toast progress bar animation */
+/* Toast progress bar animation — use scaleX instead of width to avoid layout thrashing */
 @keyframes shrink {
   from {
-    width: 100%;
+    transform: scaleX(1);
   }
   to {
-    width: 0%;
+    transform: scaleX(0);
   }
 }
 
@@ -1454,10 +1458,8 @@ input[type='checkbox']:hover:not(:checked) {
 .wave-blob {
   position: absolute;
   border-radius: 50%;
-  filter: blur(60px); /* Reduced from 80px for better performance */
+  filter: blur(60px);
   opacity: 0.5;
-  /* GPU acceleration */
-  will-change: transform;
   transform: translateZ(0);
   backface-visibility: hidden;
 }
@@ -1644,22 +1646,18 @@ input[type='checkbox']:hover:not(:checked) {
 @keyframes backdropFadeIn {
   from {
     opacity: 0;
-    backdrop-filter: blur(0);
   }
   to {
     opacity: 1;
-    backdrop-filter: blur(8px);
   }
 }
 
 @keyframes backdropFadeOut {
   from {
     opacity: 1;
-    backdrop-filter: blur(8px);
   }
   to {
     opacity: 0;
-    backdrop-filter: blur(0);
   }
 }
 

src/utils/token.ts

@@ -158,24 +158,73 @@ export const tokenStorage = {
   },
 };
 
+/**
+ * Extract Telegram user ID from raw initData string.
+ * Does NOT validate cryptographic signature — used only for client-side identity comparison.
+ */
+function extractTelegramUserId(initData: string): string | null {
+  try {
+    const params = new URLSearchParams(initData);
+    const userJson = params.get('user');
+    if (!userJson) return null;
+    const user = JSON.parse(userJson);
+    return user.id != null ? String(user.id) : null;
+  } catch {
+    return null;
+  }
+}
+
+const TG_USER_ID_KEY = 'tg_user_id';
+
+/**
+ * Detect Telegram account switch and clear stale auth data.
+ *
+ * Telegram Mini App WebView shares localStorage across accounts on the same device
+ * (confirmed bug on Desktop, likely on mobile too). This means that when user A logs in,
+ * then user B opens the same Mini App, user A's refresh_token persists in localStorage.
+ *
+ * The old approach stored initData in sessionStorage for comparison, but sessionStorage
+ * is cleared on tab close — so the comparison never triggers between separate openings.
+ *
+ * Fix: store the Telegram user ID in localStorage (survives tab close) and compare it
+ * with the fresh initData on every app launch.
+ */
 export function clearStaleSessionIfNeeded(freshInitData: string | null): void {
   if (!freshInitData) return;
 
   try {
-    const stored = sessionStorage.getItem(TOKEN_KEYS.TELEGRAM_INIT);
+    const currentTgUserId = extractTelegramUserId(freshInitData);
 
-    if (stored && stored !== freshInitData) {
+    // PRIMARY CHECK: compare Telegram user ID stored in localStorage (survives tab close)
-      // New Telegram session (different user) — clear all auth tokens
+    const storedTgUserId = localStorage.getItem(TG_USER_ID_KEY);
+    if (storedTgUserId && currentTgUserId && storedTgUserId !== currentTgUserId) {
+      // Account switch detected — purge all auth data
       sessionStorage.removeItem(TOKEN_KEYS.ACCESS);
       sessionStorage.removeItem(TOKEN_KEYS.REFRESH);
       sessionStorage.removeItem(TOKEN_KEYS.USER);
       localStorage.removeItem(TOKEN_KEYS.REFRESH);
+      localStorage.removeItem('cabinet-auth');
+    }
+
+    // SECONDARY CHECK: same-session switch (initData changed without tab close)
+    const storedInitData = sessionStorage.getItem(TOKEN_KEYS.TELEGRAM_INIT);
+    if (storedInitData && storedInitData !== freshInitData) {
+      sessionStorage.removeItem(TOKEN_KEYS.ACCESS);
+      sessionStorage.removeItem(TOKEN_KEYS.REFRESH);
+      sessionStorage.removeItem(TOKEN_KEYS.USER);
+      localStorage.removeItem(TOKEN_KEYS.REFRESH);
+      localStorage.removeItem('cabinet-auth');
+    }
+
+    // Persist current Telegram user ID for future comparisons
+    if (currentTgUserId) {
+      localStorage.setItem(TG_USER_ID_KEY, currentTgUserId);
     }
 
     sessionStorage.setItem(TOKEN_KEYS.TELEGRAM_INIT, freshInitData);
     localStorage.removeItem(TOKEN_KEYS.TELEGRAM_INIT);
   } catch {
-    // Storage недоступен
+    // Storage not available
   }
 }