more fixes

app/Services/Uploads/UploadPipelineService.php

@@ -129,8 +129,25 @@ final class UploadPipelineService
         $height = is_array($dimensions) && isset($dimensions[1]) ? (int) $dimensions[1] : 1;
 
         $origExt = strtolower(pathinfo($originalPath, PATHINFO_EXTENSION) ?: '');
+        $downloadFileName = $origFilename;
+
+        if (is_string($originalFileName) && trim($originalFileName) !== '') {
+            $candidate = basename(str_replace('\\', '/', $originalFileName));
+            $candidate = preg_replace('/[\x00-\x1F\x7F]/', '', (string) $candidate) ?? '';
+            $candidate = trim((string) $candidate);
+
+            if ($candidate !== '') {
+                $candidateExt = strtolower((string) pathinfo($candidate, PATHINFO_EXTENSION));
+                if ($candidateExt === '' && $origExt !== '') {
+                    $candidate .= '.' . $origExt;
+                }
+
+                $downloadFileName = $candidate;
+            }
+        }
+
         Artwork::query()->whereKey($artworkId)->update([
-            'file_name' => $origFilename,
+            'file_name' => $downloadFileName,
             'file_path' => '',
             'file_size' => (int) filesize($originalPath),
             'mime_type' => $origMime,