Update app.py

app.py

@@ -417,13 +417,27 @@ def report_view():
     
     has_prev = page > 1
     has_next = end_idx < total_records
+
+    # ------------------ V changes --------------------------------------
+    # Prepare chart data (convert to JSON for JS)
+    chart_data = {
+        'EngCts': df_page['EngCts'].tolist(),
+        'Makable_Predicted': df_page['Makable_Predicted'].tolist(),
+        'Makable_Diff': df_page['Makable_Diff'].tolist()
+    }
+    # ------------------ V changes --------------------------------------
     
     return render_template('output.html',
                            table_html=table_html,
                            report_type=report_type,
                            page=page,
                            has_prev=has_prev,
-                           has_next=has_next)
+                           has_next=has_next,
+                           # ------------------ V changes --------------------------------------
+                           chart_data=json.dumps(chart_data))  # Pass JSON to template
+                           # ------------------ V changes --------------------------------------
+    )
+    
 
 # ------------------------------
 # Download Routes