feat: add show_in_gift toggle UI for tariffs in admin panel

Add pill toggle in tariff create/edit form and purple gift badge
in tariff list. Includes i18n for ru, en, zh, fa locales.

src/pages/AdminTariffCreate.tsx

@@ -125,6 +125,9 @@ export default function AdminTariffCreate() {
   // Traffic reset mode
   const [trafficResetMode, setTrafficResetMode] = useState<string | null>(null);
 
+  // Gift visibility
+  const [showInGift, setShowInGift] = useState(true);
+
   // New period for adding
   const [newPeriodDays, setNewPeriodDays] = useState<number | ''>(30);
   const [newPeriodPrice, setNewPeriodPrice] = useState<number | ''>(300);
@@ -182,6 +185,7 @@ export default function AdminTariffCreate() {
       setMaxTopupTrafficGb(data.max_topup_traffic_gb || 0);
       setTrafficTopupPackages(data.traffic_topup_packages || {});
       setTrafficResetMode(data.traffic_reset_mode || null);
+      setShowInGift(data.show_in_gift ?? true);
       return data;
     }, []),
   });
@@ -212,6 +216,7 @@ export default function AdminTariffCreate() {
       name,
       description: description || undefined,
       is_active: isActive,
+      show_in_gift: showInGift,
       traffic_limit_gb: toNumber(trafficLimitGb, 100),
       device_limit: toNumber(deviceLimit, 1),
       device_price_kopeks:
@@ -1113,6 +1118,28 @@ export default function AdminTariffCreate() {
                 />
               </button>
             </div>
+            {/* Show in gift toggle */}
+            <div className="flex items-center justify-between rounded-lg bg-dark-800 p-3">
+              <div>
+                <span className="text-sm font-medium text-dark-200">
+                  {t('admin.tariffs.showInGiftLabel')}
+                </span>
+                <p className="text-xs text-dark-500">{t('admin.tariffs.showInGiftHint')}</p>
+              </div>
+              <button
+                type="button"
+                onClick={() => setShowInGift(!showInGift)}
+                className={`relative h-6 w-11 rounded-full transition-colors ${
+                  showInGift ? 'bg-accent-500' : 'bg-dark-600'
+                }`}
+              >
+                <span
+                  className={`absolute top-1 h-4 w-4 rounded-full bg-white transition-transform ${
+                    showInGift ? 'left-6' : 'left-1'
+                  }`}
+                />
+              </button>
+            </div>
           </div>
         </div>
       )}

src/pages/AdminTariffs.tsx

@@ -173,6 +173,24 @@ function SortableTariffCard({
                 {t('admin.tariffs.trial')}
               </span>
             )}
+            {tariff.show_in_gift && (
+              <span className="inline-flex items-center gap-1 rounded bg-purple-500/20 px-2 py-0.5 text-xs text-purple-400">
+                <svg
+                  className="h-3 w-3"
+                  fill="none"
+                  viewBox="0 0 24 24"
+                  stroke="currentColor"
+                  strokeWidth={2}
+                >
+                  <path
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                    d="M21 11.25v8.25a1.5 1.5 0 01-1.5 1.5H5.25a1.5 1.5 0 01-1.5-1.5v-8.25M12 4.875A2.625 2.625 0 109.375 7.5H12m0-2.625V7.5m0-2.625A2.625 2.625 0 1114.625 7.5H12m0 0V21m-8.625-9.75h18c.621 0 1.125-.504 1.125-1.125v-1.5c0-.621-.504-1.125-1.125-1.125h-18c-.621 0-1.125.504-1.125 1.125v1.5c0 .621.504 1.125 1.125 1.125z"
+                  />
+                </svg>
+                {t('admin.tariffs.giftBadge')}
+              </span>
+            )}
             {!tariff.is_active && (
               <span className="rounded bg-dark-600 px-2 py-0.5 text-xs text-dark-400">
                 {t('admin.tariffs.inactive')}