fix hitung ayam dan karung data yang ditampilkan melebihi estimasi panen

backend/models/Cycle.js

@@ -95,8 +95,10 @@ class Cycle {
             const diffMs = today - startDate;
             const daysDiff = Math.floor(diffMs / (1000 * 60 * 60 * 24));
 
-            // Use calculated day, but don't exceed totalDays
-            calculatedCurrentDay = Math.min(daysDiff, cycle.total_days);
+            // 0-based day index: day 0 = startDate, last day = startDate + (totalDays - 1)
+            // Cap at totalDays - 1 so currentDay never maps past Estimasi Panen / end_date
+            const lastDayIndex = Math.max(0, cycle.total_days - 1);
+            calculatedCurrentDay = Math.min(daysDiff, lastDayIndex);
         }
 
         return {