Fixed pickling issues

app.py

@@ -460,7 +460,10 @@ def reset_app():
 # ---------------------------
 # UI
 # ---------------------------
-@spaces.GPU
+def _on_load_init():
+    return init_state()
+
+
 def create_demo():
     with gr.Blocks(theme=gr.themes.Soft()) as demo:
         gr.Markdown(
@@ -495,11 +498,8 @@ def create_demo():
         finished_state = gr.State()
         turns_state = gr.State()
 
-        # Initialize on load
-        def _on_load():
-            return init_state()
-
-        demo.load(_on_load, inputs=None, outputs=[chatbot, scores_state, meta_state, finished_state, turns_state])
+        # Initialize on load (top-level function to be pickle-safe under ZeroGPU)
+        demo.load(_on_load_init, inputs=None, outputs=[chatbot, scores_state, meta_state, finished_state, turns_state])
 
         # Wire interactions
         send_btn.click(