Update app.py

app.py

@@ -13,13 +13,11 @@ avatar_base64 = load_image_as_base64("avatar.png")
 
 # ------------------- Chat logic -------------------
 def chat(user_input, history=[]):
-    history.append(("Bạn", user_input))
     response = get_chat_response(user_input)
-    history.append(("Kumiko 🎺", response))
     return history, history
 
 # ------------------- Gradio UI -------------------
-with gr.Blocks(theme="NoCrypt/miku") as demo:
+with gr.Blocks(theme="shivi/calm_seafoam") as demo:
     gr.Markdown(f"""
     <div style="text-align:center;">
         <h1>🎺 Kumiko v1.5 Assistant 📯</h1>