fix: hide legacy subscription card on Dashboard in multi-tariff mode

src/pages/Dashboard.tsx

@@ -292,7 +292,9 @@ export default function Dashboard() {
         </Link>
       )}
 
-      {/* Subscription Status Card */}
+      {/* Subscription Status Card — hidden in multi-tariff (managed via /subscriptions) */}
+      {!isMultiTariff && (
+        <>
           {subLoading ? (
             <div className="bento-card">
               <div className="mb-4 flex items-center justify-between">
@@ -323,6 +325,8 @@ export default function Dashboard() {
               connectedDevices={devicesData?.total ?? 0}
             />
           ) : null}
+        </>
+      )}
 
       {/* Trial Activation */}
       {hasNoSubscription && !trialLoading && trialInfo?.is_available && (