Fix Info panel - translations, two-step offers flow, icon, add to filter

- Add i18n translations for entities, tabs, and info sections (EN/RU)
- Refactor offers tab to two-step flow (products → offers) for Hub/Supplier
- Replace entity badge with circular icon in header
- Fix "Add to filter" button with name fallback and proper cleanup
- Update selectItem() to clear info param when adding to filter

app/pages/catalog/index.vue

@@ -395,9 +395,11 @@ const onInfoClose = () => {
 const onInfoAddToFilter = () => {
   if (!infoId.value || !entity.value) return
   const { type, uuid } = infoId.value
-  const name = entity.value.name
+  // Fallback for name - offer entities might use productName
+  const name = entity.value.name || entity.value.productName || uuid.slice(0, 8) + '...'
   selectItem(type, uuid, name)
   closeInfo()
+  clearInfo()
 }
 
 const onInfoOpenRelated = (type: 'hub' | 'supplier' | 'offer', uuid: string) => {