Update frontend.py

frontend.py

@@ -48,7 +48,9 @@ with st.sidebar:
     st.session_state.dark_mode = st.toggle("🌙 Dark Mode", value=st.session_state.dark_mode)
     st.session_state.intelligence_mode = st.toggle("🧠 Intelligence Mode", value=st.session_state.intelligence_mode)
 
-    api_token = st.text_input("🔐 API Token", type="password")
+    DEFAULT_DEMO_TOKEN = "my-secret-key"  # 💡 replace with secure demo token
+    api_token = st.text_input("🔐 API Token", value=DEFAULT_DEMO_TOKEN, type="password")
+
     backend_url = st.text_input("🌐 Backend URL", value="http://localhost:8000")
 
     sentiment_model = st.selectbox("📊 Sentiment Model", [