Add TG banner

frontend/src/components/TelegramBotBanner.tsx

@@ -0,0 +1,80 @@
+import { Link } from 'react-router-dom'
+import { useAuthStore } from '@/store/auth'
+import { NeonButton } from '@/components/ui'
+import { Bot, Bell, X } from 'lucide-react'
+import { useState } from 'react'
+
+const STORAGE_KEY = 'telegram_banner_dismissed'
+
+export function TelegramBotBanner() {
+  const user = useAuthStore((state) => state.user)
+  const [dismissed, setDismissed] = useState(() => {
+    return sessionStorage.getItem(STORAGE_KEY) === 'true'
+  })
+
+  const handleDismiss = () => {
+    sessionStorage.setItem(STORAGE_KEY, 'true')
+    setDismissed(true)
+  }
+
+  // Don't show if user already has Telegram linked or dismissed
+  if (user?.telegram_id || dismissed) {
+    return null
+  }
+
+  return (
+    <div className="relative rounded-2xl overflow-hidden">
+      {/* Background image */}
+      <div
+        className="absolute inset-0 bg-cover bg-center"
+        style={{ backgroundImage: 'url(/telegram_bot_banner.png)' }}
+      />
+      {/* Overlay */}
+      <div className="absolute inset-0 bg-gradient-to-r from-dark-900/95 via-dark-900/80 to-dark-900/60" />
+
+      {/* Close button */}
+      <button
+        onClick={handleDismiss}
+        className="absolute top-3 right-3 p-1.5 text-white bg-dark-700/70 hover:bg-dark-600 rounded-lg transition-colors z-10"
+        title="Скрыть"
+      >
+        <X className="w-4 h-4" />
+      </button>
+
+      {/* Content */}
+      <div className="relative p-6 pr-12 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+        <div className="flex items-start gap-4">
+          <div className="w-12 h-12 rounded-xl bg-[#2AABEE]/20 border border-[#2AABEE]/30 flex items-center justify-center flex-shrink-0">
+            <Bot className="w-6 h-6 text-[#2AABEE]" />
+          </div>
+          <div>
+            <h3 className="text-lg font-semibold text-white mb-1">
+              Привяжите Telegram-бота
+            </h3>
+            <p className="text-gray-400 text-sm max-w-md">
+              Получайте уведомления о событиях марафона, новых заданиях и результатах прямо в Telegram
+            </p>
+            <div className="flex items-center gap-4 mt-2 text-xs text-gray-500">
+              <span className="flex items-center gap-1">
+                <Bell className="w-3 h-3" />
+                Мгновенные уведомления
+              </span>
+              <span className="flex items-center gap-1">
+                <Bot className="w-3 h-3" />
+                Удобное управление
+              </span>
+            </div>
+          </div>
+        </div>
+
+        <div className="ml-16 sm:ml-0">
+          <Link to="/profile">
+            <NeonButton color="neon" size="sm">
+              Привязать
+            </NeonButton>
+          </Link>
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/pages/MarathonPage.tsx

@@ -16,6 +16,7 @@ import {
 } from 'lucide-react'
 import { format } from 'date-fns'
 import { ru } from 'date-fns/locale'
+import { TelegramBotBanner } from '@/components/TelegramBotBanner'
 
 export function MarathonPage() {
   const { id } = useParams<{ id: string }>()
@@ -316,6 +317,9 @@ export function MarathonPage() {
             />
           </div>
 
+          {/* Telegram Bot Banner */}
+          <TelegramBotBanner />
+
           {/* Active event banner */}
           {marathon.status === 'active' && activeEvent?.event && (
             <EventBanner activeEvent={activeEvent} onRefresh={refreshEvent} />

frontend/src/pages/MarathonsPage.tsx

@@ -4,6 +4,7 @@ import { marathonsApi } from '@/api'
 import type { MarathonListItem } from '@/types'
 import { NeonButton, GlassCard, StatsCard } from '@/components/ui'
 import { Plus, Users, Calendar, Loader2, Trophy, Gamepad2, ChevronRight, Hash, Sparkles } from 'lucide-react'
+import { TelegramBotBanner } from '@/components/TelegramBotBanner'
 import { format } from 'date-fns'
 import { ru } from 'date-fns/locale'
 
@@ -145,6 +146,11 @@ export function MarathonsPage() {
         </div>
       )}
 
+      {/* Telegram Bot Banner */}
+      <div className="mb-8">
+        <TelegramBotBanner />
+      </div>
+
       {/* Join marathon */}
       {showJoinSection && (
         <GlassCard className="mb-8 animate-slide-in-down" variant="neon">

frontend/src/store/auth.ts

@@ -148,6 +148,7 @@ export const useAuthStore = create<AuthState>()(
 
       logout: () => {
         localStorage.removeItem('token')
+        sessionStorage.removeItem('telegram_banner_dismissed')
         set({
           user: null,
           token: null,