test: automate overseas wallet and pallet cost closure

lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/service/DestuffingPalletCostServiceTest.java

@@ -7,6 +7,11 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 class DestuffingPalletCostServiceTest {
+    @Test void newestCompletedBookingsAreNotStarvedByOldUnbillableRows() {
+        assertThat(DestuffingPalletCostService.READY_BOOKINGS_SQL)
+            .contains("ORDER BY MAX(t.completed_at) DESC LIMIT 50")
+            .doesNotContain("ORDER BY MIN(t.completed_at)");
+    }
     @Test void preservesTotalAndLetsFinalCustomerAbsorbRoundingRemainder() {
         List<BigDecimal> result = DestuffingPalletCostService.allocate(new BigDecimal("10.00"),
             List.of(new BigDecimal("1"), new BigDecimal("1"), new BigDecimal("1")));