fix(billing): resolve react query cache conflict rendering undefined values, update enterprise CTA label and show plan cards for all tiers

memento-note/components/settings/billing-plans.tsx

@@ -54,17 +54,18 @@ export function BillingPlans() {
     },
   });
 
-  const { data: quotas } = useQuery({
+  const { data: usageData } = useQuery({
     queryKey: ['usage', 'current'],
     queryFn: async () => {
       const res = await fetch('/api/usage/current');
       if (!res.ok) throw new Error('Failed to fetch quotas');
-      const data = await res.json();
-      return data.quotas as Record<string, { remaining: number; limit: number; used: number }>;
+      return res.json();
     },
     refetchInterval: 30000,
   });
 
+  const quotas = usageData?.quotas;
+
   useEffect(() => {
     const params = new URLSearchParams(window.location.search);
     const sessionId = params.get('session_id');
@@ -455,8 +456,7 @@ export function BillingPlans() {
       {/* Billing History (Only for paid users) */}
       {isPaid && <BillingHistory />}
 
-      {/* Interval Toggle & Plan Cards (Only for BASIC/Free users) */}
-      {!isPaid && (
+      {/* Interval Toggle & Plan Cards */}
       <div className="space-y-8 pt-6 border-t border-border/40">
         <div className="text-center space-y-2">
           <h3 className="text-xs font-bold uppercase tracking-[0.2em] text-concrete">
@@ -541,7 +541,6 @@ export function BillingPlans() {
             ))}
           </div>
         </div>
-      )}
 
       {/* Footer Info */}
       <div className="bg-slate-50 dark:bg-black/20 rounded-[32px] p-8 border border-border/40 flex flex-col md:flex-row items-center justify-between gap-8">

memento-note/locales/en.json

@@ -2860,7 +2860,7 @@
     "businessFeature4": "1,000 chat messages / month",
     "enterpriseTitle": "Enterprise",
     "enterpriseDescription": "Custom quotas, SSO, priority support.",
-    "contactSales": "Contact Sales",
+    "contactSales": "Contact us",
     "startCheckout": "Get Started",
     "checkoutLoading": "Loading checkout…",
     "checkoutSuccess": "Subscription activated! Welcome to {tier}.",

memento-note/locales/fr.json

@@ -2864,7 +2864,7 @@
     "businessFeature4": "1 000 messages de chat / mois",
     "enterpriseTitle": "Entreprise",
     "enterpriseDescription": "Quotas personnalisés, SSO, support prioritaire.",
-    "contactSales": "Contacter les ventes",
+    "contactSales": "Contactez-nous",
     "startCheckout": "Commencer",
     "checkoutLoading": "Chargement du paiement…",
     "checkoutSuccess": "Abonnement activé ! Bienvenue dans {tier}.",