test: align review evidence fixtures and verify stale request rejection

scripts/admin-test-env-modules/phase4-overseas-return-receipt.mjs

@@ -288,6 +288,11 @@ async function runWithSession(context, merchantToken) {
     await reject('签收同键异载荷返回冲突', conflict, () => context.request('POST', `${PDA_RECEIPTS}/confirm`, {
       ...firstBody, trackingNo: `TRACK-${suffix}-CHANGED`,
     }, picker.token, {}))
+    await reject('签收成功后旧实收快照换新键仍拒绝且不重复入账',
+      response => conflict(response) && response.body?.message?.includes('退货单实收数量已变化'),
+      () => context.request('POST', `${PDA_RECEIPTS}/confirm`, {
+        ...firstBody, idempotencyKey: key(context, 'STALE-RECEIPT-NEW-KEY'),
+      }, picker.token, {}))
 
     await reject('超收被拒绝且不得生成费用批次', conflict, async () => {
       const body = {
@@ -461,6 +466,11 @@ async function runWithSession(context, merchantToken) {
         success(mergeReplay.response) && nonBlank(merged.data?.cartonMark)
           && id(mergeReplay.data?.cartonMark) === id(merged.data?.cartonMark), trace(mergeReplay.response), OPTIONS)
       await reject('合箱同键异载荷返回冲突', conflict, () => context.request('POST', '/api/pda/v1/last-leg/return-inventory/cartons/merge-boxes', { ...mergeBody, weight: 3 }, picker.token, {}))
+      await reject('部分合箱成功后旧库存快照换新键仍拒绝且不重复扣减',
+        response => conflict(response) && response.body?.message?.includes('来源箱库存已变化'),
+        () => context.request('POST', '/api/pda/v1/last-leg/return-inventory/cartons/merge-boxes', {
+          ...mergeBody, idempotencyKey: key(context, 'STALE-MERGE-NEW-KEY'),
+        }, picker.token, {}))
 
       const beforeInvalid = await overseas(context, merchantToken, 'GET', '冻结合箱异常检查前库存快照',
         query(`${RETURN_INVENTORY}/cartons`, { page: 1, size: 200, returnNo }))