feat: nahradenie produktov pri importe ZIP, mensia cena od 10 EUR v cenovke, prevod SVG cenoviek

- import ZIP: volba Vymazat doterajsie produkty v sekcii
- vrstva ceny: longPriceScale (Cena od 10 EUR) zmensi dvojciferne eura, uciaria ostava
- skript na prevod SVG z Illustratora na pozadia sablon (texty na krivky,
  jedinecne triedy a id, zarovnanie tela cenovky)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/page.tsx

@@ -349,7 +349,7 @@ export default function Home() {
     setSelectedModuleId(newMod.id);
   };
 
-  const handleImportProducts = (imported: ProductItem[]) => {
+  const handleImportProducts = (imported: ProductItem[], options?: { replace?: boolean }) => {
     if (!selectedModuleId) return;
     const target = campaign.modules.find((m) => m.id === selectedModuleId);
     if (!target || target.type !== 'products_grid') {
@@ -374,7 +374,7 @@ export default function Home() {
       ...target,
       data: {
         ...target.data,
-        products: [...(target.data.products || []), ...withLayout]
+        products: options?.replace ? withLayout : [...(target.data.products || []), ...withLayout]
       }
     };
     handleUpdateModule(updated);