Update app.py

app.py

@@ -18,6 +18,7 @@ from pathlib import Path
 import re
 from bs4 import BeautifulSoup
 import mimetypes
+import tempfile
 
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
@@ -712,7 +713,8 @@ Answer with just "YES" if web search would be helpful, or "NO" if the available
                 download_url = f"{api_base_url}/files/{task_id}"
                 response = requests.get(download_url, timeout=30)
                 response.raise_for_status()
-                local_file_path = os.path.join(temp_dir, safe_filename)
+                temp_dir = tempfile.mkdtemp()
+                local_file_path = os.path.join(temp_dir, attachment_name)
 
                 with open(local_file_path, 'wb') as f:
                     f.write(response.content)