ver. 0.277: ShopProduct factory, Dashboard, Update migration, legacy cleanup, admin\App

- ShopProduct factory: full migration (~40 ProductRepository methods, ~30 controller actions)
- Dashboard: Domain+DI migration (DashboardRepository + DashboardController)
- Update: Domain+DI migration (UpdateRepository + UpdateController, template rewrite)
- Renamed admin\Site to admin\App, removed dead fallback routing
- Removed all legacy folders: admin/controls, admin/factory, admin/view
- Newsletter: switched from admin\factory\Articles to ArticleRepository
- 414 tests, 1335 assertions passing

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

autoload/Domain/Article/ArticleRepository.php

@@ -840,4 +840,28 @@ class ArticleRepository
 
         $this->db->delete('pp_articles_images', ['article_id' => null]);
     }
+
+    /**
+     * Pobiera artykuly opublikowane w podanym zakresie dat.
+     */
+    public function articlesByDateAdd( string $dateStart, string $dateEnd ): array
+    {
+        $stmt = $this->db->query(
+            'SELECT id FROM pp_articles '
+            . 'WHERE status = 1 '
+            . 'AND date_add BETWEEN \'' . addslashes( $dateStart ) . '\' AND \'' . addslashes( $dateEnd ) . '\' '
+            . 'ORDER BY date_add DESC'
+        );
+
+        $articles = [];
+        $rows = $stmt ? $stmt->fetchAll( \PDO::FETCH_ASSOC ) : [];
+
+        if ( is_array( $rows ) ) {
+            foreach ( $rows as $row ) {
+                $articles[] = \front\factory\Articles::article_details( $row['id'], 'pl' );
+            }
+        }
+
+        return $articles;
+    }
 }