diff --git a/app/Services/FileStorageService.php b/app/Services/FileStorageService.php
index c56d438..877fca7 100644
--- a/app/Services/FileStorageService.php
+++ b/app/Services/FileStorageService.php
@@ -28,14 +28,17 @@ final class FileStorageService
         }
 
         // 2. Generate path
-        $dir = "{$this->storagePath}/invoices/{$tenantId}/{$companyId}";
+        $dir = $this->storagePath . '/invoices/' . $tenantId . '/' . $companyId;
         if (!is_dir($dir)) {
-            mkdir($dir, 0775, true);
+            if (!mkdir($dir, 0777, true)) {
+                $err = error_get_last();
+                throw new Exception("فشل إنشاء مجلد الحفظ: " . $dir . " - " . ($err['message'] ?? ''));
+            }
         }
 
         $extension = pathinfo($file['name'], PATHINFO_EXTENSION);
         $filename = hash('sha256', $file['name'] . time() . uniqid()) . '.' . $extension;
-        $targetPath = "{$dir}/{$filename}";
+        $targetPath = $dir . '/' . $filename;
 
         if (isset($file['error']) && $file['error'] !== UPLOAD_ERR_OK) {
             throw new Exception("حدث خطأ أثناء رفع الملف من المتصفح. كود الخطأ: " . $file['error']);
@@ -44,7 +47,8 @@ final class FileStorageService
         if (!move_uploaded_file($file['tmp_name'], $targetPath)) {
             // Fallback for some non-standard PHP environments
             if (!copy($file['tmp_name'], $targetPath)) {
-                throw new Exception("فشل نقل الملف إلى المسار النهائي: " . $targetPath);
+                $err = error_get_last();
+                throw new Exception("فشل نقل الملف إلى: " . $targetPath . " - " . ($err['message'] ?? ''));
             }
         }
 
diff --git a/public/shell.php b/public/shell.php
index bfd626a..5e63903 100644
--- a/public/shell.php
+++ b/public/shell.php
@@ -234,7 +234,8 @@
                             <input type="password" id="usr-password" class="w-full bg-black/20 border border-white/10 rounded-xl px-4 py-3 text-white focus:border-primary outline-none" placeholder="كلمة المرور" required>
                             <select id="usr-role" class="w-full bg-black/20 border border-white/10 rounded-xl px-4 py-3 text-white focus:border-primary outline-none" required>
                                 <option value="accountant">محاسب</option>
-                                <option value="manager">مدير</option>
+                                <option value="admin">مدير</option>
+                                <option value="employee">موظف</option>
                             </select>
                             
                             <div class="flex gap-3 mt-6 pt-4 border-t border-white/10">