fix: add missing videoEstimate i18n keys and remove hardcoded value

- Add videoEstimate keys to all tier benefits in main.json
- Replace hardcoded '288' with proper i18n call for creator tier
- Ensures all tiers use consistent localization patterns

src/platform/cloud/subscription/components/PricingTable.vue

@@ -168,7 +168,7 @@ const tiers: PricingTierConfig[] = [
     credits: t('subscription.credits.creator'),
     maxDuration: t('subscription.maxDuration.creator'),
     customLoRAs: true,
-    videoEstimate: '288',
+    videoEstimate: t('subscription.tiers.creator.benefits.videoEstimate'),
     isPopular: true
   },
   {