adjust ai insight and seed data

components/counting/DataManagementPage.tsx

@@ -17,6 +17,7 @@ import { buildCountingInsightContext } from '../../utils/insightContextBuilders.
 import PopulationTrendChart from './PopulationTrendChart.tsx';
 import CountingAccuracyWarningBanner from './CountingAccuracyWarningBanner.tsx';
 import { getCountingAccuracyWarning } from '../../utils/countingAccuracyWarning.ts';
+import { stockAkhirFromKpi } from '../../utils/kpiStock.ts';
 import { PageAiInsight } from '../shared/PageAiInsight.tsx';
 
 type Row = {
@@ -139,7 +140,8 @@ const DataManagementPage: React.FC<{ onSettings: () => void }> = ({ onSettings }
       const panen = manual?.harvest_manual ?? kpi?.harvest ?? 0;
       // Database menyimpan berat panen dalam gram; tampilkan selalu dalam kg.
       const beratPanen = (manual?.harvest_weight_manual ?? kpi?.harvest_weight ?? 0) / 1000;
-      const stockAkhir = kpi?.chicken_life ?? Math.max(0, stockAwal - mati - panen);
+      const stockAkhir =
+        stockAkhirFromKpi(kpi) ?? Math.max(0, stockAwal - mati - panen);
 
       const chickenCount = counting?.total_count;
       // Akurasi Chicken Counting (IOT) terhadap stock akhir manual: