Refactor chat history processing in app.py to support both dictionary and list formats for messages, enhancing compatibility with previous data structures. Update text input handling to align with new message format, ensuring consistent user experience.

app.py

@@ -75,9 +75,13 @@ def process_input(image, audio, video, text, chat_history, voice_type, enable_au
         
         # Add previous chat history
         if isinstance(chat_history, list):
-            for item in chat_history:
-                if isinstance(item, list) and len(item) == 2:
-                    user_msg, bot_msg = item
+            for message in chat_history:
+                if isinstance(message, dict) and "role" in message and "content" in message:
+                    # Messages are already in the correct format
+                    conversation.append(message)
+                elif isinstance(message, list) and len(message) == 2:
+                    # Convert old format to new format
+                    user_msg, bot_msg = message
                     if bot_msg is not None:  # Only add complete message pairs
                         # Convert display format back to processable format
                         processed_msg = user_msg
@@ -346,7 +350,7 @@ def create_demo():
         
         # Text input handling
         text_submit.click(
-            fn=lambda text: [[text if text is not None else "", None]],
+            fn=lambda text: [{"role": "user", "content": text if text is not None else ""}],
             inputs=text_input,
             outputs=[chatbot],
             queue=False