update

app/Support/AvatarUrl.php

@@ -3,7 +3,6 @@
 namespace App\Support;
 
 use Illuminate\Support\Facades\DB;
-use Illuminate\Support\Facades\Storage;
 
 class AvatarUrl
 {
@@ -22,16 +21,14 @@ class AvatarUrl
         }
 
         $base = rtrim((string) config('cdn.avatar_url', 'https://files.skinbase.org'), '/');
+        $resolvedSize = self::resolveSize($size);
 
         // Use hash-based path: avatars/ab/cd/{hash}/{size}.webp?v={hash}
         $p1 = substr($avatarHash, 0, 2);
         $p2 = substr($avatarHash, 2, 2);
 
-        $diskPath = sprintf('avatars/%s/%s/%s/%d.webp', $p1, $p2, $avatarHash, $size);
-
         // Always use CDN-hosted avatar files.
-        //return sprintf('%s/avatars/%s/%s/%s/%d.webp?v=%s', $base, $p1, $p2, $avatarHash, $size, $avatarHash);
-        return sprintf('%s/avatars/%s/%s/%s/%d.webp', $base, $p1, $p2, $avatarHash, $size);
+        return sprintf('%s/avatars/%s/%s/%s/%d.webp', $base, $p1, $p2, $avatarHash, $resolvedSize);
     }
 
     public static function default(): string
@@ -59,4 +56,26 @@ class AvatarUrl
 
         return self::$hashCache[$userId];
     }
+
+    private static function resolveSize(int $requestedSize): int
+    {
+        $sizes = array_values(array_filter(
+            (array) config('avatars.sizes', [32, 64, 128, 256, 512]),
+            static fn ($size): bool => (int) $size > 0
+        ));
+
+        if ($sizes === []) {
+            return max(1, $requestedSize);
+        }
+
+        sort($sizes);
+
+        foreach ($sizes as $size) {
+            if ($requestedSize <= (int) $size) {
+                return (int) $size;
+            }
+        }
+
+        return (int) end($sizes);
+    }
 }