彻底优化数据库字段

frontend/src/views/account/OrderDetailView.vue

@@ -308,12 +308,11 @@ function readError(error: unknown, fallback: string) {
 }
 
 function orderRentedAt() {
-  return order.value?.rented_at || order.value?.rent_start_at
+  return order.value?.rented_at
 }
 
 function orderEstimatedEndAt() {
   if (!order.value) return undefined
-  if (order.value.rent_end_at) return order.value.rent_end_at
   const rentedAt = orderRentedAt()
   const durationHours = Number(order.value.estimated_duration_hours || 0)
   if (!rentedAt || durationHours <= 0) return undefined
@@ -466,6 +465,10 @@ function linesToList(value: string) {
         <span>订单金额</span>
         <strong>¥{{ order.rent_amount }}</strong>
       </div>
+      <div class="metric-card">
+        <span>平台费用</span>
+        <strong>¥{{ order.platform_fee }}</strong>
+      </div>
       <div class="metric-card">
         <span>押金</span>
         <strong>¥{{ order.deposit_amount }}</strong>
@@ -554,7 +557,8 @@ function linesToList(value: string) {
 
     <div v-if="order && order.checkout && ['pending_checkout_confirm', 'pending_checkout_accept'].includes(order.status)" class="order-panel">
       <h2>结账明细</h2>
-      <p>租金：¥{{ order.checkout.rent_amount }}，押金：¥{{ order.checkout.deposit_amount }}</p>
+      <p>买家租金：¥{{ order.checkout.rent_amount }}，号主租金：¥{{ order.checkout.owner_rent_amount }}，平台费用：¥{{ order.checkout.platform_fee }}</p>
+      <p>押金：¥{{ order.checkout.deposit_amount }}</p>
       <p>扣除：¥{{ order.checkout.deposit_deduct_amount }}，退还租客：¥{{ order.checkout.renter_refund_amount }}，号主收入：¥{{ order.checkout.owner_income_amount }}</p>
       <p v-if="order.checkout.content">说明：{{ order.checkout.content }}</p>
       <p v-if="order.checkout.owner_adjustment_reason">修正原因：{{ order.checkout.owner_adjustment_reason }}</p>