Default platform_qr disk to the monolith's production storage path

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

config/filesystems.php

@@ -69,10 +69,11 @@ return [
 
         // Read-only view of the monolith's QR storage, used by the
         // storefronts:import-legacy command to copy legacy product images.
-        // Set PLATFORM_QR_ROOT to the monolith's storage/app/private/qr path.
+        // Defaults to the monolith's production storage path; override with
+        // PLATFORM_QR_ROOT for other environments.
         'platform_qr' => [
             'driver' => 'local',
-            'root' => env('PLATFORM_QR_ROOT', storage_path('app/private/qr')),
+            'root' => env('PLATFORM_QR_ROOT', '/var/www/ladill.com/current/storage/app/private/qr'),
             'throw' => false,
             'report' => false,
         ],