fix: move store_and_generate_response to module scope

app.py

@@ -507,6 +507,34 @@ class AccessControl:
 access_control = AccessControl()
 
 
+def store_and_generate_response(message, history, *args):
+    """Store history and generate response"""
+    # Convert history to expected format
+    formatted_history = []
+    for h in history:
+        if isinstance(h, dict):
+            formatted_history.append(h)
+        elif isinstance(h, (list, tuple)) and len(h) == 2:
+            formatted_history.append({"role": "user", "content": h[0]})
+            if h[1]:
+                formatted_history.append({"role": "assistant", "content": h[1]})
+    
+    # Handle file uploads if enabled
+    files = None
+    if ENABLE_FILE_UPLOAD and args:
+        files = args[0]
+    
+    response = generate_response(message, formatted_history, files)
+    
+    # Update stored history
+    new_history = formatted_history + [
+        {"role": "user", "content": message},
+        {"role": "assistant", "content": response}
+    ]
+    
+    return response
+
+
 def create_interface() -> gr.Blocks:
     """Create the main Gradio interface"""
     # API key validation
@@ -612,34 +640,6 @@ def create_interface() -> gr.Blocks:
                         # Track current history for export
                         current_history = gr.State([])
                         
-                        def store_and_generate_response(message, history, *args):
-                            """Store history and generate response"""
-                            # Convert history to expected format
-                            formatted_history = []
-                            for h in history:
-                                if isinstance(h, dict):
-                                    formatted_history.append(h)
-                                elif isinstance(h, (list, tuple)) and len(h) == 2:
-                                    formatted_history.append({"role": "user", "content": h[0]})
-                                    if h[1]:
-                                        formatted_history.append({"role": "assistant", "content": h[1]})
-                            
-                            # Handle file uploads if enabled
-                            files = None
-                            if ENABLE_FILE_UPLOAD and args:
-                                files = args[0]
-                            
-                            response = generate_response(message, formatted_history, files)
-                            
-                            # Update stored history
-                            new_history = formatted_history + [
-                                {"role": "user", "content": message},
-                                {"role": "assistant", "content": response}
-                            ]
-                            current_history.value = new_history
-                            
-                            return response
-                        
                         # Export handler
                         def prepare_export(history):
                             """Prepare conversation for export"""