fix: align asset customer data with OneOS and refine statistics display

src/server/vehicle-lease-sql.ts

@@ -0,0 +1,25 @@
+/**
+ * 与 OneOS VehicleInfoMapper.LatestVehicleLeaseJoin 保持一致。
+ * vi 为车辆表；vor 为当前业务记录；c 为合同。
+ * 还车会清空 vor 的客户与合同信息，调用方不得用历史档案补回空值。
+ */
+export const LATEST_VEHICLE_LEASE_JOIN_SQL = `LEFT JOIN (
+    SELECT ranked_record.*
+    FROM (
+      SELECT source_record.*,
+        ROW_NUMBER() OVER (
+          PARTITION BY source_record.vehicle_id
+          ORDER BY COALESCE(
+            source_record.last_delivery_time,
+            source_record.last_return_time,
+            source_record.update_time
+          ) DESC, source_record.id DESC
+        ) AS lease_rn
+      FROM vehicle_lease_order_record source_record
+      WHERE source_record.del_flag = '0'
+    ) ranked_record
+    WHERE ranked_record.lease_rn = 1
+  ) vor ON vor.vehicle_id = vi.id
+LEFT JOIN vehicle_lease_contract_info c
+       ON c.id = vor.contract_id
+      AND c.del_flag = '0'`;