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

lastleg-service/src/test/java/com/baiyue/lastleg/dispatch/DispatchCandidateMapperContractTest.java

@@ -16,6 +16,32 @@ import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class DispatchCandidateMapperContractTest {
+    @Test
+    void ordinaryAndReturnRelabelCandidatesExcludeDirectOutboundDeliveryModes() throws Exception {
+        for (String method : List.of("relabelAvailable", "nativeReturnRelabelAvailable")) {
+            String sql = String.join(" ", DispatchCandidateMapper.class
+                .getMethod(method, String.class, String.class, String.class).getAnnotation(Select.class).value());
+            String eligibility = sql.substring(sql.indexOf("WHERE a.delivery_method"), sql.indexOf("<if test='customerId"));
+            try (var connection = DriverManager.getConnection("jdbc:h2:mem:relabel-mode-" + method + ";MODE=MySQL")) {
+                var statement = connection.createStatement();
+                statement.execute("CREATE TABLE ll_relabel_application(delivery_method VARCHAR,status VARCHAR,fulfillment_status VARCHAR)");
+                statement.execute("INSERT INTO ll_relabel_application VALUES "
+                    + "('TRUCK','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "('PICKUP','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "('AMAZON_PICKUP','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "('CUSTOMER_PICKUP','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "('UNKNOWN','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "(NULL,'READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH'),"
+                    + "('EXPRESS','READY_FOR_OUTBOUND','WAIT_PRE_DISPATCH')");
+                // The return query also requires physical return-carton availability.
+                eligibility = eligibility.replace("AND c.status='RELABEL_PENDING' AND c.pallet_code IS NOT NULL", "");
+                try (var rows = statement.executeQuery("SELECT delivery_method FROM ll_relabel_application a " + eligibility)) {
+                    assertTrue(rows.next()); assertEquals("TRUCK", rows.getString(1)); assertFalse(rows.next());
+                }
+            }
+        }
+    }
+
     @Test
     void confirmedAppointmentUsesOriginalCustomerOrderAndDestinationAndNeverInventsLoadingTime() throws Exception {
         try (var connection = DriverManager.getConnection("jdbc:h2:mem:dispatch-confirmed-appointment;MODE=MySQL")) {