feat: predvolena velkost fotky produktu 95 %

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

src/components/editor/ProductEditor.tsx

@@ -7,7 +7,7 @@ import { BADGE_IMPORT_TYPES, BadgeTemplate, CardProduct, ProductLabel, ProductPh
 import { ChevronDown, ChevronUp, Trash2, Pencil, Globe, Layers } from 'lucide-react';
 import { ImageUploadInput } from './ImageUploadInput';
 import { pickAlt } from '@/lib/altText';
-import { DEFAULT_STORES_OFFSET_X, DEFAULT_STORES_OFFSET_Y, DEFAULT_STORES_SIZE, MAIN_PHOTO, PRODUCT_BG_PRESETS, badgeWidthFor, photoStack, productCardAlt, usesAppPrice } from '@/lib/productCard';
+import { DEFAULT_IMAGE_SCALE, DEFAULT_STORES_OFFSET_X, DEFAULT_STORES_OFFSET_Y, DEFAULT_STORES_SIZE, MAIN_PHOTO, PRODUCT_BG_PRESETS, badgeWidthFor, photoStack, productCardAlt, usesAppPrice } from '@/lib/productCard';
 
 export { PRODUCT_BG_PRESETS };
 
@@ -337,7 +337,7 @@ export const ProductEditor: React.FC<ProductEditorProps> = ({
   const isLoyalty = variant === 'loyalty';
   const set = (key: string) => (v: unknown) => onChange({ [key]: v });
 
-  const scale = p.imageScale ?? 1;
+  const scale = p.imageScale ?? DEFAULT_IMAGE_SCALE;
   const offsetX = p.imageOffsetX || 0;
   const offsetY = p.imageOffsetY || 0;
   const storesX = p.storesOffsetX ?? DEFAULT_STORES_OFFSET_X;

src/lib/productCard.ts

@@ -29,6 +29,8 @@ export interface StoresOffset {
   x?: number; // + doprava, − doľava
   y?: number; // + vyššie nad cenovku, − nižšie (cez horný okraj cenovky)
 }
+// Predvolená veľkosť fotky produktu (zoom), keď ju produkt nemá nastavenú
+export const DEFAULT_IMAGE_SCALE = 0.95;
 // Predvolená poloha štítkov voči pravému hornému rohu pozadia cenovky
 export const DEFAULT_STORES_OFFSET_X = -23;
 // Predvolená výška jedného štítka predajne (px), nezávislá od veľkosti cenovky
@@ -214,7 +216,7 @@ export function cardVisualKey(p: CardProduct, ctx: CardContext): string {
   const t = p.badgeCustomTemplate;
   const relevant = [
     ctx.variant, ctx.cardWidth, p.cardBgColor || ctx.cardBg, ctx.variant === 'standard' ? ctx.defaultBadge : null,
-    p.imageUrl, p.imageScale ?? 1, p.imageOffsetX || 0, p.imageOffsetY || 0,
+    p.imageUrl, p.imageScale ?? DEFAULT_IMAGE_SCALE, p.imageOffsetX || 0, p.imageOffsetY || 0,
     p.customBadgePngUrl, badgeWidthFor(p, ctx.variant),
     t ? [t.svgRaw, t.layersConfig, t.width] : null,
     p.priceMain, p.priceSub, p.discountText, p.badgeText, p.unitPrice,
@@ -323,7 +325,7 @@ function renderVisualPreview(p: CardProduct, ctx: CardContext, key: string): str
   const height = cardVisualHeight(ctx.cardWidth);
   const bg = p.cardBgColor || ctx.cardBg;
   const bw = badgeWidthFor(p, ctx.variant);
-  const scale = p.imageScale ?? 1;
+  const scale = p.imageScale ?? DEFAULT_IMAGE_SCALE;
   const ox = p.imageOffsetX || 0;
   const oy = p.imageOffsetY || 0;
   const sx = Math.round(p.storesOffsetX ?? DEFAULT_STORES_OFFSET_X);