fix(overseas): repair pallet transitions and transfer queries

lastleg-service/src/test/java/com/baiyue/lastleg/palletops/gateway/HttpPalletPhysicalGatewayTest.java

@@ -26,6 +26,32 @@ class HttpPalletPhysicalGatewayTest {
         ReflectionTestUtils.setField(gateway, "internalToken", "test-token");
     }
 
+    @Test
+    void applyPreservesBusinessConflictInsteadOfReportingMissingTransition() {
+        server.expect(requestTo("http://warehouse/internal/v1/pda-pallet-transitions/30"))
+            .andRespond(withSuccess("""
+                {"code":"A0409","message":"Pallet version changed","data":null}
+                """, MediaType.APPLICATION_JSON));
+        var pallet = new PalletPhysicalGateway.PalletReference(30L, "PAL-1", 88L, 40L, "IDLE", "XLX1", 2);
+        assertThatThrownBy(() -> gateway.apply(88L, pallet, "OCCUPIED", 40L, "key", "swap"))
+            .isInstanceOf(com.baiyue.common.core.exception.BizException.class)
+            .hasMessageContaining("Pallet version changed");
+        server.verify();
+    }
+
+    @Test
+    void compensationBusinessFailureIsNotReportedAsSuccess() {
+        server.expect(requestTo("http://warehouse/internal/v1/pda-pallet-transitions/30/key/compensate"))
+            .andRespond(withSuccess("""
+                {"code":"A0409","message":"Pallet changed after operation","data":null}
+                """, MediaType.APPLICATION_JSON));
+        var transition = new PalletPhysicalGateway.Transition("key", 30L, "PAL-1", 88L,
+            "IDLE", "OCCUPIED", 40L, 40L, 2, 3, "APPLIED", false);
+        assertThatThrownBy(() -> gateway.compensate(88L, transition))
+            .isInstanceOf(com.baiyue.common.core.exception.BizException.class);
+        server.verify();
+    }
+
     @Test
     void resolveMapsBusinessNotFoundEnvelopeToStableNotFound() {
         server.expect(requestTo("http://warehouse/internal/v1/warehouse-pallets/resolve/MISSING"))