fix(lastleg): route all relabel pickups directly to outbound and verify final schemas

lastleg-service/src/test/java/com/baiyue/lastleg/schema/Phase5OverseasUpgradeSqlContractTest.java

@@ -56,6 +56,22 @@ class Phase5OverseasUpgradeSqlContractTest {
         assertThat(overseas).doesNotContain("\nUPDATE ", "\nDELETE ", "ALTER TABLE ll_");
     }
 
+    @Test
+    void transferFinalMeasurementColumnsAreCreatedBeforeAnyBusinessWrite() throws Exception {
+        for (String path : List.of("lastleg-service/src/main/resources/db/lastleg.sql",
+            "deploy/sql/海外区域统一增量-MySQL8.sql")) {
+            String sql = repositoryFile(path);
+            String carton = createStatement(sql, "ll_warehouse_transfer_carton");
+            for (String column : List.of("customer_carton_mark", "length_cm", "width_cm", "height_cm",
+                "gross_weight_kg", "counted_quantity", "count_idempotency_key", "count_request_hash",
+                "counted_by", "counted_at", "discrepancy_reason", "transfer_pallet_id", "sku_items_json")) {
+                assertThat(carton).as(path + ":" + column).contains(column);
+            }
+            assertThat(createStatement(sql, "ll_warehouse_transfer_item")).contains("declared_quantity");
+            assertThat(createStatement(sql, "ll_cargo_discard_item")).contains("idx_ll_cargo_discard_return_carton");
+        }
+    }
+
     @Test
     void overseasFixedEntryAndModuleBaselineBothDefineCompletePhase5Tables() throws Exception {
         String baseline = repositoryFile("lastleg-service/src/main/resources/db/lastleg.sql");