Fix catalog map navigation and hover interactions

- Add @select handler to hubs/index.vue and suppliers/index.vue
  for map click navigation
- Add hoveredId props to final pages for point highlighting
  on card hover
- Add "Выберите источник" hint on final pages with sources

app/pages/catalog/suppliers/index.vue

@@ -7,6 +7,7 @@
     map-id="suppliers-map"
     point-color="#3b82f6"
     :total-count="total"
+    @select="onSelectSupplier"
   >
     <template #searchBar="{ displayedCount, totalCount }">
       <CatalogSearchBar
@@ -53,6 +54,7 @@ definePageMeta({
 })
 
 const { t } = useI18n()
+const localePath = useLocalePath()
 
 const {
   items,
@@ -103,6 +105,11 @@ const onSearch = () => {
   // TODO: Implement search
 }
 
+// Handle supplier selection from map
+const onSelectSupplier = (supplier: any) => {
+  navigateTo(localePath(`/catalog/suppliers/${supplier.uuid || supplier.teamUuid}`))
+}
+
 await init()
 
 useHead(() => ({