workflow errors debugging V1

app.py

@@ -283,8 +283,11 @@ def process_message(message, history):
     
     response = f"I received your message: {message}. This is a placeholder response. The full agent system is ready to integrate!"
     
-    # Add user and assistant messages
-    history.append((message, response))
+    # For messages format, we need to use dictionaries with 'role' and 'content' keys
+    # Add user message
+    history.append({"role": "user", "content": message})
+    # Add assistant response
+    history.append({"role": "assistant", "content": response})
     
     return history, ""