Enable Gradio queue to handle long-running tasks

app.py

@@ -452,6 +452,7 @@ ACTIVATE_CAROUSEEL_JS = '''
 '''
 
 with gr.Blocks(theme=gr.themes.Soft(), css=CUSTOM_CSS) as demo:
+    demo.queue()
     gr.Markdown("# 🚀 PRAgent: Paper to Social Media Post")
     gr.Markdown("Upload a research paper PDF, and I will generate a social media post for Twitter or Xiaohongshu, complete with images and platform-specific styling.")