Enhance article photo handling and API documentation.

- Updated API documentation to reflect changes in article data structure.
- Improved ArticlePhoto component to support dynamic sizing and object fit options.
- Added performance logging for image upload in ArticlePhotosDialog and ArticlePhotoTile components.
- Enhanced ArticleTile to conditionally render photos and adjusted styling for better layout.
- Optimized image preparation process with configurable AVIF encoding speed.

src/api/index.js

@@ -151,7 +151,7 @@ export const article = {
   /**
    * GET /api/article/:sku → { article }
    * Detail: prices[], photos[], eans[], brand, unit, categoryIds, …
-   * (Flat net/taxRate/thumb* only on category tree / getCategoryArticles.)
+   * (Flat net/taxRate/fullHash/thumb* only on category tree / getCategoryArticles.)
    */
   getBySku(sku) {
     return http(`/api/article/${encodeURIComponent(sku)}`);
@@ -243,7 +243,10 @@ export const category = {
     return http('/api/category/tree');
   },
 
-  /** GET /api/category/:id/articles → { articles: [...] } */
+  /**
+   * GET /api/category/:id/articles → { articles: [...] }
+   * Article rows: sku, name, net, taxRate, fullHash, thumbW, thumbH, thumbHash, …
+   */
   getArticles(categoryId) {
     return http(`/api/category/${categoryId}/articles`);
   },