fix: multi-subscription UI audit fixes and cache invalidation improvements

- Fix AdminUserDetail multi-subscription display with useMemo optimization
- Update Dashboard subscription cards and purchase entry points
- Fix WebSocket notification handlers for multi-subscription context
- Update SubscriptionPurchase cache invalidation for multi-tariff mode
- Fix Subscriptions list page and navigation patterns
- Update App routing, DeepLinkRedirect, and CommandPalette for multi-sub
- Add SubscriptionListCard component
- Fix TopUpResult and PromoOffersSection navigation

src/components/PromoOffersSection.tsx

@@ -114,6 +114,7 @@ export default function PromoOffersSection({ className = '' }: PromoOffersSectio
       queryClient.invalidateQueries({ queryKey: ['promo-offers'] });
       queryClient.invalidateQueries({ queryKey: ['active-discount'] });
       queryClient.invalidateQueries({ queryKey: ['subscription'] });
+      queryClient.invalidateQueries({ queryKey: ['subscriptions-list'] });
       queryClient.invalidateQueries({ queryKey: ['purchase-options'] });
       queryClient.invalidateQueries({ queryKey: ['balance'] });
       setSuccessMessage(result.message);