fix: keep order declaration schema in unified baseline

order/src/test/java/com/baiyue/order/controller/OrderDeclarationUpdateContractTest.java

@@ -8,6 +8,8 @@ import org.springframework.web.bind.annotation.PutMapping;
 import org.yaml.snakeyaml.Yaml;
 
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Map;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -47,6 +49,19 @@ class OrderDeclarationUpdateContractTest {
         assertThat(source).contains("ORDER_DECLARATION_UPDATED_V1", "platform:order:declaration:edit", "A0409");
     }
 
+    @Test
+    void unifiedDatabaseEntryContainsDeclarationHeaderColumns() throws Exception {
+        Path direct = Path.of("deploy", "sql", "头程数据库统一增量-MySQL8.sql");
+        Path unified = Files.exists(direct) ? direct : Path.of("..", "deploy", "sql", "头程数据库统一增量-MySQL8.sql");
+        String source = Files.readString(unified, StandardCharsets.UTF_8);
+
+        assertThat(source)
+            .contains("expected_arrival_at DATETIME(3) NULL COMMENT '客户申报预计到货时间'")
+            .contains("channel_changed TINYINT(1) NOT NULL DEFAULT 0 COMMENT '订单历史上是否由平台变更过渠道'")
+            .contains("CALL unified_assert_column('baiyue_order', 'ord_order', 'expected_arrival_at')")
+            .contains("CALL unified_assert_column('baiyue_order', 'ord_order', 'channel_changed')");
+    }
+
     @SuppressWarnings("unchecked")
     private Map<String, Object> map(Object value) { return (Map<String, Object>) value; }
 }