fix docker deployment

components/counting/DataManagementPage.tsx

@@ -116,7 +116,9 @@ const DataManagementPage: React.FC<{ onSettings: () => void }> = ({ onSettings }
     const kpiByDate = new Map(kpis.map((k) => [k.date, k]));
 
     const lastCycleDay = Math.max(0, (selectedCycle.total_days || 1) - 1);
-    const endDay = cycleDayForDate(selectedCycle.start_date, selectedCycle.end_date);
+    const endDay = selectedCycle.end_date
+      ? cycleDayForDate(selectedCycle.start_date, selectedCycle.end_date)
+      : lastCycleDay;
     const calendarDay = cycleDayForDate(selectedCycle.start_date, todayIso());
     const maxDay = Math.min(calendarDay, lastCycleDay, endDay);
     const today = todayIso();