add finance cost allocation detail

scripts/admin-test-env-modules/finance-full-fixtures.mjs

@@ -267,7 +267,12 @@ async function createContainerCost(context, customerId, container, voucherFileId
       `message=${response.body.message || 'missing'}, loadingPlanId=${container.loadingPlanId || 'missing'}, containerBookingId=${container.containerBookingId || 'missing'}, voucherFileId=${voucherFileId || 'missing'}, publicSnapshotValid=${snapshotInput?.valid === true}, validItems=${snapshotInput?.items?.length || 0}, accountId=${first?.accountId ?? 'missing'}, orderId=${first?.orderId ?? 'missing'}, volumeCbm=${first?.volumeCbm ?? 'missing'}, requestId=${response.requestId || 'missing'}, traceId=${response.traceId || 'missing'}；若 publicSnapshotValid=true，说明 fixture ID 与公开装柜明细有效，阻断位于 Finance -> Firstleg 内部快照服务部署/契约`)
   }
   const cost = context.apiSuccess(MODULE, '创建整柜成本并触发真实体积分摊', response, '', OPTIONS)
-  return cost?.id ? { costId: id(cost.id), allocations: Array.isArray(cost.allocations) ? cost.allocations : null } : null
+  if (!cost?.id) return null
+  const detailResponse = await context.request('GET',
+    `/api/platform/finance/v1/cost-entries/${encodeURIComponent(cost.id)}?customerId=${encodeURIComponent(customerId)}`)
+  const detail = context.apiSuccess(MODULE, '回读整柜成本分摊结果', detailResponse,
+    `costId=${cost.id}`, OPTIONS)
+  return { costId: id(cost.id), allocations: Array.isArray(detail?.allocations) ? detail.allocations : null }
 }
 
 async function verifyContainerCostSnapshotInput(context, customerId, container) {
@@ -382,7 +387,7 @@ export async function run(context) {
     const cost = snapshotInput.valid ? await createContainerCost(context, customerId, container, voucherFileId, snapshotInput) : null
     if (Array.isArray(cost?.allocations)) allocations = cost.allocations
     else blocker(context, '回读整柜成本分摊结果',
-      `costId=${cost?.costId || 'missing'}；Finance POST /api/platform/finance/v1/cost-entries 仅返回 ResourceResult，GET cost-entries 仅返回成本摘要，当前没有公开接口回读 fin_cost_allocation；禁止从金额和体积自行伪造持久化结果`)
+      `costId=${cost?.costId || 'missing'}；Finance 成本详情未返回真实 fin_cost_allocation，禁止从金额和体积自行伪造持久化结果`)
   }
   if (allocations.length === 0) blocker(context, '输出真实订单/运单分摊',
     '缺少已完成柜次、凭证、供应商或 Finance 分摊响应；不伪造 allocation ID/金额')