handle the special case of syn DO2 for sunday

src/main/java/com/ffii/fpsms/modules/common/scheduler/service/SchedulerService.kt

@@ -22,6 +22,7 @@ import org.slf4j.LoggerFactory
 import org.springframework.scheduling.TaskScheduler
 import org.springframework.scheduling.support.CronTrigger
 import org.springframework.stereotype.Service
+import java.time.DayOfWeek
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
@@ -449,22 +450,37 @@ open class SchedulerService(
         val currentTime = LocalDateTime.now()
 
         // .atStartOfDay() results in 00:00:00
-        val today = currentTime.toLocalDate().atStartOfDay()
+        val runDate = currentTime.toLocalDate()
+        val today = runDate.atStartOfDay()
         val ysd = today.minusDays(1L)
         val tmr = today.plusDays(1L)
 
-        // Set to 19:00:00 of yesterday
-        val ysdNight = ysd.withHour(19).withMinute(0).withSecond(0)
+        // Default: lastModified from yesterday 19:00 (aligns with nightly DO2 expectation).
+        // On Sunday, yesterday is Saturday: use 03:00 instead so we include DO changed after Sat 03:10 DO1
+        // (otherwise Sat 03:00–18:59 would be skipped until a much later sync).
+        val isSundayDo2 = runDate.dayOfWeek == DayOfWeek.SUNDAY
+        val modifiedFromStart = if (isSundayDo2) {
+            ysd.withHour(3).withMinute(0).withSecond(0)
+        } else {
+            ysd.withHour(19).withMinute(0).withSecond(0)
+        }
 
         // Set to 11:00:00 of today
-        val todayEleven = today.withHour(11).withMinute(0).withSecond(0)        
+        val todayEleven = today.withHour(11).withMinute(0).withSecond(0)
+
+        logger.info(
+            "DO2 modifiedDateFrom={} ({}), modifiedDateTo={}",
+            modifiedFromStart.format(dateTimeStringFormat),
+            if (isSundayDo2) "Sunday window from Sat 03:00" else "from yesterday 19:00",
+            todayEleven.format(dateTimeStringFormat),
+        )
 
         val requestDO = M18CommonRequest(
             // These will now produce "yyyy-MM-dd HH:mm:ss"
             dDateTo = tmr.format(dateTimeStringFormat),           // e.g. 2026-01-19 00:00:00
             dDateFrom = tmr.format(dateTimeStringFormat),         // e.g. 2026-01-19 00:00:00
             modifiedDateTo = todayEleven.format(dateTimeStringFormat),   // 2026-01-18 11:00:00
-            modifiedDateFrom = ysdNight.format(dateTimeStringFormat)    // 2026-01-17 19:00:00
+            modifiedDateFrom = modifiedFromStart.format(dateTimeStringFormat),
         )
     
         val result = m18DeliveryOrderService.saveDeliveryOrders(requestDO)