Add queue system to launch for better long-running operation handling

app.py

@@ -559,6 +559,9 @@ with gr.Blocks(
             )
 
 if __name__ == "__main__":
+    # Enable queue for long-running operations
+    demo.queue(default_concurrency_limit=1)
+    
     # Password protection - users don't need HF accounts!
     # Change these to your desired username/password
     # For multiple users, use: auth=[("user1", "pass1"), ("user2", "pass2")]
@@ -566,6 +569,7 @@ if __name__ == "__main__":
         server_name="0.0.0.0",
         server_port=7860,
         auth=("starflow", "im30"),  # Change password!
-        share=False  # Set to True if you want public Gradio link
+        share=False,  # Set to True if you want public Gradio link
+        max_threads=1  # Limit threads for stability
     )