Update app.py

app.py

@@ -315,6 +315,25 @@ def main():
             row=1, col=1, secondary_y=True
         )
 
+        # ---------------------------------------------------------
+        # เส้นเชื่อม Actual -> Predicted
+        # ---------------------------------------------------------
+        last_actual_date = plot_data["date_day"].max()
+        last_actual_value = plot_data["avg_sentiment"].iloc[-1]
+        first_pred_date = future_dates[0]
+        first_pred_value = future_preds[0]
+
+        fig.add_trace(
+            go.Scatter(
+                x=[last_actual_date, first_pred_date],
+                y=[last_actual_value, first_pred_value],
+                mode="lines",
+                line=dict(color="#05a0fa", dash="dot"),
+                name="Connector Actual→Predicted"
+            ),
+            row=1, col=1, secondary_y=True
+        )
+
     # จำนวนข่าว
     for col in ["neutral", "negative", "positive"]:
         if col not in plot_data.columns: