Implement creator studio and upload updates

app/Services/ThumbnailService.php

@@ -17,13 +17,18 @@ class ThumbnailService
         return rtrim((string) config('cdn.files_url', 'https://files.skinbase.org'), '/');
     }
 
+    protected static function artworkPrefix(): string
+    {
+        return trim((string) config('uploads.object_storage.prefix', 'artworks'), '/');
+    }
+
     /**
      * Canonical size keys: xs · sm · md · lg · xl (+ legacy thumb/sq support).
      */
     protected const VALID_SIZES = ['xs', 'sm', 'md', 'lg', 'xl', 'thumb', 'sq'];
 
     /** Size aliases for backwards compatibility with old callers. */
-    protected const SIZE_ALIAS = [];
+    protected const SIZE_ALIAS = ['thumb' => 'sm'];
 
     protected const THUMB_SIZES = [
         'xs'    => ['height' => 160,  'quality' => 74,  'dir' => 'xs'],
@@ -33,7 +38,7 @@ class ThumbnailService
         'lg'    => ['height' => 1920, 'quality' => 85,  'dir' => 'lg'],
         'xl'    => ['height' => 2560, 'quality' => 90,  'dir' => 'xl'],
         // Legacy compatibility for older paths still expecting /thumb/.
-        'thumb' => ['height' => 320,  'quality' => 78,  'dir' => 'thumb'],
+        'thumb' => ['height' => 320,  'quality' => 78,  'dir' => 'sm'],
     ];
 
     /**
@@ -94,7 +99,7 @@ class ThumbnailService
         $h  = $hash;
         $h1 = substr($h, 0, 2);
         $h2 = substr($h, 2, 2);
-        return sprintf('%s/%s/%s/%s/%s.%s', self::cdnHost(), $dir, $h1, $h2, $h, $ext);
+        return sprintf('%s/%s/%s/%s/%s.%s', self::cdnHost(), self::artworkPrefix() . '/' . $dir, $h1, $h2, $h, $ext);
     }
 
     /**