feat: freeze and propagate first-leg pallet labels

lastleg-service/src/main/java/com/baiyue/lastleg/mapper/LastlegSourcePalletMapper.java

@@ -0,0 +1,27 @@
+package com.baiyue.lastleg.mapper;
+
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+@Mapper
+public interface LastlegSourcePalletMapper {
+    @Insert("""
+        INSERT INTO ll_order_source_pallet
+          (id,customer_id,order_id,source_pallet_no,sequence_no,source_event_id,created_at)
+        VALUES (#{id},#{customerId},#{orderId},#{palletNo},#{sequenceNo},#{eventId},CURRENT_TIMESTAMP(3))
+        """)
+    int insert(@Param("id") long id, @Param("customerId") String customerId,
+               @Param("orderId") long orderId, @Param("palletNo") String palletNo,
+               @Param("sequenceNo") int sequenceNo, @Param("eventId") String eventId);
+
+    @Select("""
+        SELECT source_pallet_no FROM ll_order_source_pallet
+         WHERE customer_id=#{customerId} AND order_id=#{orderId}
+         ORDER BY sequence_no,id
+        """)
+    List<String> palletNos(@Param("customerId") String customerId, @Param("orderId") long orderId);
+}