fix: limited (traffic exhausted) subscription shows as expired

- Dashboard card: change date label from "Истекла" to "Активна до"
  for limited subscriptions (traffic exhausted but time remaining)
- Dashboard button: change text from "Трафик исчерпан" (dead-end) to
  "Докупить трафик" (actionable) for limited status
- Subscription page: CountdownTimer shows remaining time for limited
  subs instead of "Истекла" (was passing is_active=false)
- PurchaseCTAButton: don't treat limited as expired — limited subs
  still have time, should show extend CTA not "buy new subscription"

src/components/dashboard/SubscriptionCardExpired.tsx

@@ -228,7 +228,7 @@ export default function SubscriptionCardExpired({
       >
         <div className="flex items-center">
           <div className="mb-0.5 font-mono text-[10px] font-medium uppercase tracking-wider text-dark-50/30">
-            {t('dashboard.expired.expiredDate')}
+            {isLimited ? t('dashboard.expired.activeUntil') : t('dashboard.expired.expiredDate')}
           </div>
           <div className="ml-3 text-base font-bold tracking-tight text-dark-50/50">
             {formattedDate}
@@ -280,7 +280,7 @@ export default function SubscriptionCardExpired({
             >
               <path d="M12 4.5v15m7.5-7.5h-15" />
             </svg>
-            {t('subscription.trafficLimited')}
+            {t('subscription.buyTraffic')}
           </Link>
         ) : (
           <>

src/components/subscription/PurchaseCTAButton.tsx

@@ -15,7 +15,9 @@ export default function PurchaseCTAButton({
 }: PurchaseCTAButtonProps) {
   const { t } = useTranslation();
 
-  const isExpired = !subscription || (!subscription.is_active && !subscription.is_trial);
+  const isExpired =
+    !subscription ||
+    (!subscription.is_active && !subscription.is_trial && !subscription.is_limited);
   const isTrial = subscription?.is_trial;
   const isDaily = subscription?.is_daily;
 

src/locales/en.json

@@ -272,7 +272,8 @@
       "tariffs": "Tariffs",
       "traffic": "Traffic",
       "devices": "Devices",
-      "expiredDate": "Expired"
+      "expiredDate": "Expired",
+      "activeUntil": "Active until"
     },
     "suspended": {
       "title": "Subscription Suspended",

src/locales/ru.json

@@ -284,7 +284,8 @@
       "tariffs": "Тарифы",
       "traffic": "Трафик",
       "devices": "Устройства",
-      "expiredDate": "Истекла"
+      "expiredDate": "Истекла",
+      "activeUntil": "Активна до"
     },
     "suspended": {
       "title": "Подписка приостановлена",

src/pages/Subscription.tsx

@@ -957,7 +957,7 @@ export default function Subscription() {
               <div className="mb-5">
                 <CountdownTimer
                   endDate={subscription.end_date}
-                  isActive={subscription.is_active}
+                  isActive={subscription.is_active || subscription.is_limited}
                   glassColors={g}
                 />
               </div>