feat(admin-listings): 优化商品管理表格纯币价格展示与租期列位置

1. 将原“纯币价格(号主)”调整为“租客纯币价格”，底层取值切换为租客纯币计算（getListingRentPrice），适配列宽与悬浮提示；
2. 调整表格列顺序，将“租期”列移动至“租客纯币价格”与“租金/押金”中间；
3. 同步调整表格图片导出/截图配置（screenshotColumns）的列名与排序，保持视图与导出一致。

frontend/src/features/admin/views/AdminListingsView.vue

@@ -22,7 +22,7 @@ import {
   formatRatio,
   getCoinWan,
   getDailyLoss,
-  getListingSellerCoinPrice,
+  getListingRentPrice,
   getResourceQuantity,
   getSkinGroup,
 } from '@/shared/utils/listingDisplay'
@@ -136,14 +136,14 @@ const screenshotColumns = [
     read: (row: Listing) => characterAndWeaponSkinText(row),
   },
   { label: '号主备注', width: 160, read: (row: Listing) => ownerRemarkText(row) },
-  { label: '纯币价格', width: 90, read: (row: Listing) => ownerPureCoinPriceText(row) },
-  { label: '租金/押金', width: 96, read: (row: Listing) => rentAndDepositText(row) },
-  { label: '比例', width: 64, read: (row: Listing) => formatRatio(row) },
+  { label: '租客纯币价格', width: 105, read: (row: Listing) => renterPureCoinPriceText(row) },
   {
     label: '租期',
     width: 92,
     read: (row: Listing) => rentalPeriodText(row),
   },
+  { label: '租金/押金', width: 96, read: (row: Listing) => rentAndDepositText(row) },
+  { label: '比例', width: 64, read: (row: Listing) => formatRatio(row) },
 ] as const
 
 async function queryListings() {
@@ -601,9 +601,9 @@ function rentAndDepositText(row: Listing) {
   return `${listingPrice(row)}/${formatCentWithSymbol(row.deposit_amount_cent)}`
 }
 
-// 号主纯币价格：号主收号价里的纯币部分（不含额外消耗品），取自发布时固化的价格快照。
-function ownerPureCoinPriceText(row: Listing) {
-  const price = getListingSellerCoinPrice(row)
+// 租客纯币价格：不含额外消耗品的纯币部分（快照 buyer_coin_base_price 或 总价减消耗品）。
+function renterPureCoinPriceText(row: Listing) {
+  const price = getListingRentPrice(row)
   if (price <= 0) return '-'
   return formatCentWithSymbol(Math.round(price * 100))
 }
@@ -974,26 +974,25 @@ function formatQuantity(value: number) {
       <el-table-column label="号主备注" min-width="150">
         <template #default="{ row }">{{ ownerRemarkText(row) }}</template>
       </el-table-column>
-      <el-table-column label="纯币价格" width="90">
+      <el-table-column label="租客纯币价格" width="105">
         <template #default="{ row }">
-          <span :title="`号主纯币价格（不含消耗品）${ownerPureCoinPriceText(row)}`">
-            {{ ownerPureCoinPriceText(row) }}
+          <span :title="`租客纯币价格（不含消耗品）${renterPureCoinPriceText(row)}`">
+            {{ renterPureCoinPriceText(row) }}
           </span>
         </template>
       </el-table-column>
-
-      <el-table-column label="租金/押金" width="90">
-        <template #default="{ row }">{{ rentAndDepositText(row) }}</template>
-      </el-table-column>
-      <el-table-column label="比例" width="62">
-        <template #default="{ row }">{{ formatRatio(row) }}</template>
-      </el-table-column>
       <el-table-column label="租期" width="82">
         <template #default="{ row }">
           <span :title="estimateTitle(row)">{{ formatEstimatedRentalDuration(row) }}</span>
           <span v-if="getDailyLoss(row)" class="table-subtext">日耗 {{ getDailyLoss(row) }}</span>
         </template>
       </el-table-column>
+      <el-table-column label="租金/押金" width="90">
+        <template #default="{ row }">{{ rentAndDepositText(row) }}</template>
+      </el-table-column>
+      <el-table-column label="比例" width="62">
+        <template #default="{ row }">{{ formatRatio(row) }}</template>
+      </el-table-column>
       <el-table-column label="详情" width="60">
         <template #default="{ row }">
           <RouterLink :to="adminPath(`listings/${row.id}`)">