Update app.py

app.py

@@ -29,7 +29,7 @@ PERSONAL_INFO = {
 
 COMPANY_INFO = {
     "name": "YAH Tech",
-    "type": "Venture studio / app development company focused on solving problems with futuristic solutions",
+    "type": "venture studio / app development company focused on solving problems with futuristic solutions",
     "purpose": "Build and launch technology-driven ventures that generate profit and societal value",
     "primary_activity": "App development and creation of scalable business systems",
     "philosophy": "Learn, understand, create, and evaluate",
@@ -241,8 +241,8 @@ Current conversation:"""
 yah_bot = YAHBot()
 
 def chat_function(message, history):
-    """Chat function for Gradio interface"""
-    # Convert Gradio history format to our format
+    """Chat function for Gradio interface - FIXED VERSION"""
+    # Convert Gradio history format to our internal format
     conversation_history = []
     for human_msg, assistant_msg in history:
         conversation_history.append({"role": "user", "content": human_msg})
@@ -252,12 +252,10 @@ def chat_function(message, history):
     response = yah_bot.generate_response(message, conversation_history)
     return response
 
-def chat_interface(message, chat_history):
+def respond(message, chat_history):
+    """Fixed response function with proper message format"""
     bot_response = chat_function(message, chat_history)
-    
-    # Format the conversation
-    chat_history.append([message, bot_response])
-    
+    chat_history.append((message, bot_response))
     return "", chat_history
 
 # Custom CSS for ChatGPT-like appearance
@@ -409,7 +407,8 @@ with gr.Blocks(css=custom_css, theme=gr.themes.Soft()) as demo:
         show_label=False,
         height=600,
         bubble_full_width=False,
-        type="messages"
+        show_copy_button=True,
+        placeholder="Start chatting with YAH Tech AI..."
     )
     
     with gr.Row():
@@ -452,20 +451,20 @@ with gr.Blocks(css=custom_css, theme=gr.themes.Soft()) as demo:
         
         **How can I assist you today?** 🚀
         """
-        return [[None, welcome_msg]]
+        return [(welcome_msg, None)]
     
     # Set initial welcome message
     demo.load(add_welcome_message, None, [chatbot])
     
-    # Event handlers
+    # Event handlers - USING THE FIXED RESPOND FUNCTION
     msg.submit(
-        chat_interface,
+        respond,
         inputs=[msg, chatbot],
         outputs=[msg, chatbot]
     )
     
     send.click(
-        chat_interface,
+        respond,
         inputs=[msg, chatbot],
         outputs=[msg, chatbot]
     )