Implement creator studio and upload updates

app/Services/Uploads/UploadArchiveValidationService.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Uploads;
+
+use App\DTOs\Uploads\UploadValidationResult;
+
+final class UploadArchiveValidationService
+{
+    public function validate(string $path): UploadValidationResult
+    {
+        if (! is_file($path) || ! is_readable($path)) {
+            return UploadValidationResult::fail('file_unreadable');
+        }
+
+        $size = (int) filesize($path);
+        $maxBytes = (int) config('uploads.max_archive_size_mb', 0) * 1024 * 1024;
+        if ($maxBytes > 0 && $size > $maxBytes) {
+            return UploadValidationResult::fail('file_too_large', null, null, null, $size);
+        }
+
+        $finfo = new \finfo(FILEINFO_MIME_TYPE);
+        $mime = (string) ($finfo->file($path) ?: '');
+        $allowed = array_values(array_unique((array) config('uploads.allowed_archive_mimes', [])));
+
+        if ($mime === '' || ! in_array($mime, $allowed, true)) {
+            return UploadValidationResult::fail('mime_not_allowed', null, null, $mime, $size);
+        }
+
+        return UploadValidationResult::ok(0, 0, $mime, $size);
+    }
+}