fix(app): review fixes — billing-unknown pre-check, free-user top-ups, pro out-of-credits copy

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/scanner.tsx

@@ -26,16 +26,12 @@ import { getMockPlantByImage } from '../services/backend/mockCatalog';
 import { consumeSharedImageUri, SHARE_INTENT_KEY } from '../utils/shareHandoff';
 import { OutOfCreditsSheet } from '../components/OutOfCreditsSheet';
 
-const HEALTH_CHECK_CREDIT_COST = 2;
 const DEMO_SCAN_LIMIT = 5;
 
 const getBillingCopy = (language: 'de' | 'en' | 'es') => {
   if (language === 'de') {
     return {
       creditsLabel: 'Credits',
-      noCreditsTitle: 'Keine Credits mehr',
-      noCreditsMessage: 'Du hast keine Credits mehr fuer KI-Scans. Upgrade oder Top-up im Profil.',
-      healthNoCreditsMessage: `Du brauchst ${HEALTH_CHECK_CREDIT_COST} Credits fuer den Health-Check.`,
       managePlan: 'Plan verwalten',
       dismiss: 'Schliessen',
       genericErrorTitle: 'Fehler',
@@ -68,9 +64,6 @@ const getBillingCopy = (language: 'de' | 'en' | 'es') => {
   if (language === 'es') {
     return {
       creditsLabel: 'Creditos',
-      noCreditsTitle: 'Sin creditos',
-      noCreditsMessage: 'No tienes creditos para escaneos AI. Actualiza o compra top-up en Perfil.',
-      healthNoCreditsMessage: `Necesitas ${HEALTH_CHECK_CREDIT_COST} creditos para el health-check.`,
       managePlan: 'Gestionar plan',
       dismiss: 'Cerrar',
       genericErrorTitle: 'Error',
@@ -102,9 +95,6 @@ const getBillingCopy = (language: 'de' | 'en' | 'es') => {
 
   return {
     creditsLabel: 'Credits',
-    noCreditsTitle: 'No credits left',
-    noCreditsMessage: 'You have no AI scan credits left. Upgrade or buy a top-up in Profile.',
-    healthNoCreditsMessage: `You need ${HEALTH_CHECK_CREDIT_COST} credits for the health check.`,
     managePlan: 'Manage plan',
     dismiss: 'Close',
     genericErrorTitle: 'Error',
@@ -286,8 +276,11 @@ export default function ScannerScreen() {
       return;
     }
 
+    // Only pre-block when the billing summary is actually known; if it's null
+    // (fetch failed / still loading) let the request proceed — the server 402
+    // path opens the sheet as the safety net.
     const requiredCredits = isHealthMode ? 2 : 1;
-    if (!isDemoMode && availableCredits < requiredCredits) {
+    if (!isDemoMode && billingSummary && availableCredits < requiredCredits) {
       posthog.capture('out_of_credits_shown', { trigger: 'pre_check', scan_type: isHealthMode ? 'health_check' : 'identification' });
       setOutOfCreditsVisible(true);
       return;
@@ -862,6 +855,7 @@ export default function ScannerScreen() {
         visible={outOfCreditsVisible}
         language={language}
         colors={colors}
+        isPro={hasActiveEntitlement}
         renewsAtIso={billingSummary?.credits.cycleEndsAt}
         onSeePlans={() => {
           setOutOfCreditsVisible(false);