Fix all reset functions format conversion for Gradio 4.20.0

app.py

@@ -167,9 +167,10 @@ def reset_chat(agent_json):
     name           = agent_data.get("agent_name", "Agent")
     welcome        = f"👋 Hello! I'm {name}. How can I assist you today?"
     chat_history   = [{"role":"assistant","content":welcome}]
+    gradio_history = convert_messages_for_gradio(chat_history)
     invocation_log = ""
     active_children= []
-    return chat_history, "", invocation_log, active_children
+    return gradio_history, "", invocation_log, active_children
 
 def load_agent_to_builder(agent_name):
     if agent_name in agents_config:
@@ -252,7 +253,9 @@ def load_history(agent_name, histories):
         histories[agent_name] = [
             {"role":"assistant","content":f"👋 Hello! I'm {agent_name}. How can I help?"}
         ]
-    return histories[agent_name]
+    # Convert to Gradio format before returning
+    gradio_history = convert_messages_for_gradio(histories[agent_name])
+    return gradio_history
 
 def chatpanel_handle(agent_name, user_text, histories):
     """
@@ -2325,8 +2328,10 @@ def build_ui():
                 del histories[agent_name]
             chat_history = [{"role": "assistant", "content": f"👋 Hello! I'm {agent_name}. How can I help?"}]
             histories[agent_name] = chat_history
+            # Convert to Gradio format
+            gradio_history = convert_messages_for_gradio(chat_history)
             return (
-                chat_history, histories, "",
+                gradio_history, histories, "",
                 "", "", "", "", "", "", "", "",  # stewardship fields cleared (8 fields)
                 "", "", "", "", "", "", "", "", "", "",  # empiric fields cleared (10 fields)
                 "", "", "", "", "", "", "", "", "",  # ipc fields cleared (9 fields)
@@ -2449,7 +2454,9 @@ def build_ui():
             chat_history = [{"role":"assistant","content":welcome}]
             if name in histories:
                 del histories[name]
-            return chat_history, gr.update(value="", interactive=True, placeholder="Type your question here…"), [], histories
+            # Convert to Gradio format
+            gradio_history = convert_messages_for_gradio(chat_history)
+            return gradio_history, gr.update(value="", interactive=True, placeholder="Type your question here…"), [], histories
 
         reset_button.click(
             reset_and_clear_builder_history,