Increase URL download timeout to 30s

app.py

@@ -295,8 +295,8 @@ async def predict_url(image_url: ImageURL):
         Top 5 predictions with class names and confidence scores
     """
     try:
-        # Download image from URL
-        response = requests.get(str(image_url.url), timeout=10)
+        # Download image from URL with longer timeout for large images
+        response = requests.get(str(image_url.url), timeout=30)
         response.raise_for_status()
         
         # Open image