Update app.py

app.py

@@ -244,10 +244,11 @@ else:
 # --- 6. GIAO DIỆN CHÍNH (MAIN PANEL) ---
 
 # Tạo các tab ngang thay vì radio button
-tab1, tab2, tab3 = st.tabs([
+tab1, tab2, tab3, tab4 = st.tabs([
     "📑 Project Overview & Methodology", 
     "🌦️ Live 5-Day Forecast", 
-    "📊 Model Performance & Diagnostics"
+    "📊 Model Performance & Diagnostics",
+    "⏱️ Hourly Prediction (Step 8)" # TAB MỚI
 ])
 
 # --- TAB 1: Project Overview ---