fix(print): remove SKU from carton labels while retaining dropship A4 details

firstleg/src/test/java/com/baiyue/firstleg/service/InboundCartonLabelPrintServiceTest.java

@@ -109,7 +109,7 @@ class InboundCartonLabelPrintServiceTest {
     }
 
     @Test
-    void forwardsStableLabelsAndOnlySafePdfHeaders() {
+    void forwardsStableLabelsWithoutSkuAndOnlySafePdfHeaders() throws Exception {
         when(labels.list(10001L, 70001L, List.of(1))).thenReturn(batch());
         HttpHeaders headers = new HttpHeaders();
         headers.setContentType(MediaType.APPLICATION_PDF);
@@ -132,6 +132,9 @@ class InboundCartonLabelPrintServiceTest {
             assertThat(label.qrContent()).isEqualTo("PCHK2608040174#19-1");
             assertThat(label.cartonText()).isEqualTo("CTNS:19-1");
         });
+        assertThat(batch().labels().get(0).skuCode()).isEqualTo("SKU-BOX-ONLY-IN-BUSINESS-DATA");
+        assertThat(new ObjectMapper().writeValueAsString(request.getValue()))
+            .doesNotContain("skuCode", "SKU-BOX-ONLY-IN-BUSINESS-DATA");
         assertThat(response.getBody()).containsExactly(1, 2, 3);
         assertThat(response.getHeaders().getFirst("X-Print-Page-Count")).isEqualTo("1");
         assertThat(response.getHeaders()).doesNotContainKey("X-Internal-Service-Token");
@@ -229,6 +232,7 @@ class InboundCartonLabelPrintServiceTest {
         InboundCartonLabels.Label label = new InboundCartonLabels.Label(
             1L, 2L, 1, "音箱", 19, "PCHK2608040174#19-1", 19, 1,
             "50x40x30cm", new BigDecimal("50"), new BigDecimal("40"), new BigDecimal("30"),
+            "SKU-BOX-ONLY-IN-BUSINESS-DATA",
             "PCHK2608040174", "MCC1", "CTNS:19-1", "洛杉矶普船海卡");
         return new InboundCartonLabels.Batch(70001L, 80001L, "PCHK2608040174", 19, List.of(label));
     }