统一结账押金字段为押金赔付扣除

号主修正去掉无效的其他押金扣款，仅保留押金赔付扣除；
前后端与账单文案统一，修正时 other 与 deduct 对齐。

backend/internal/modules/dispute/arbitration.go

@@ -337,7 +337,7 @@ func buildArbitrationHandoffContent(req ArbitrateRequest, settlement arbitration
 		content += "\n结算给号主：" + money.FormatWithSymbol(settlement.OwnerIncomeAmountCent)
 	}
 	if settlement.DepositDeductAmountCent > 0 {
-		content += "\n押金扣除：" + money.FormatWithSymbol(settlement.DepositDeductAmountCent)
+		content += "\n押金赔付扣除：" + money.FormatWithSymbol(settlement.DepositDeductAmountCent)
 	}
 	return content
 }

backend/internal/modules/order/checkout.go

@@ -139,7 +139,12 @@ func (r *Repository) CounterCheckout(ctx context.Context, userID uint64, orderID
 			First(&checkout).Error; err != nil {
 			return err
 		}
-		next, err := buildCheckout(order, checkout.InitiatedBy, checkoutStatusCountered, checkout.Content, req.EvidenceURLS, req.ConsumableAmountCent, req.CoinConsumedM, req.OtherAmountCent, req.DepositDeductAmountCent, true)
+		// 号主修正只认押金赔付扣除；other 与 deduct 对齐，避免双字段语义分裂
+		depositDeductCent := req.DepositDeductAmountCent
+		if depositDeductCent <= 0 && req.OtherAmountCent > 0 {
+			depositDeductCent = req.OtherAmountCent
+		}
+		next, err := buildCheckout(order, checkout.InitiatedBy, checkoutStatusCountered, checkout.Content, req.EvidenceURLS, req.ConsumableAmountCent, req.CoinConsumedM, depositDeductCent, depositDeductCent, true)
 		if err != nil {
 			return err
 		}

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

@@ -821,7 +821,7 @@ function paymentPaidAt(record: AdminPayment) {
             <dd>{{ moneyCent(order.checkout.owner_income_amount_cent) }}</dd>
           </div>
           <div>
-            <dt>押金扣除</dt>
+            <dt>押金赔付扣除</dt>
             <dd>{{ moneyCent(order.checkout.deposit_deduct_amount_cent) }}</dd>
           </div>
           <div>

frontend/src/features/orders/components/OrderResourceUsageEditor.vue

@@ -107,7 +107,7 @@ function updateNumberField(field: 'coin_consumed_m' | 'otherAmountYuan', event:
         订单快照 {{ quantity(props.snapshotHafCoinM) }}M，预计剩余
         {{ quantity(props.remainingHafCoinM) }}M
       </div>
-      <van-field label="其他押金赔付" label-width="100px">
+      <van-field label="押金赔付扣除" label-width="100px">
         <template #input>
           <div class="coin-input-wrap">
             <input
@@ -131,9 +131,9 @@ function updateNumberField(field: 'coin_consumed_m' | 'otherAmountYuan', event:
         <em>计入实际结算租金</em>
       </div>
       <div>
-        <span>其他押金赔付</span>
+        <span>押金赔付扣除</span>
         <strong>¥{{ money(props.checkoutForm.otherAmountYuan) }}</strong>
-        <em>从押金赔付扣除</em>
+        <em>从预收押金中扣除</em>
       </div>
     </div>
 
@@ -225,7 +225,7 @@ function updateNumberField(field: 'coin_consumed_m' | 'otherAmountYuan', event:
         <div class="checkout-number-card deposit">
           <div class="checkout-number-copy">
             <div class="checkout-number-title">
-              <strong>其他押金赔付</strong>
+              <strong>押金赔付扣除</strong>
               <span>仅押金扣除项</span>
             </div>
             <p>封禁、违规、资产损坏等需要从押金赔付的费用，不含额外消耗品。</p>
@@ -250,9 +250,9 @@ function updateNumberField(field: 'coin_consumed_m' | 'otherAmountYuan', event:
           <em>按上方物资数量自动计算，计入实际结算租金</em>
         </div>
         <div>
-          <span>其他押金赔付</span>
+          <span>押金赔付扣除</span>
           <strong>¥{{ money(props.checkoutForm.otherAmountYuan) }}</strong>
-          <em>作为押金赔付扣除，和额外消耗品分开展示</em>
+          <em>从预收押金中扣除，与额外消耗品分开展示</em>
         </div>
       </div>
       <el-input

frontend/src/features/orders/composables/useOrderActions.ts

@@ -92,7 +92,6 @@ export interface CheckoutFormState {
 export interface CounterFormState {
   consumableAmountYuan: number
   coin_consumed_m: number
-  otherAmountYuan: number
   depositDeductAmountYuan: number
   reason: string
   evidenceText: string
@@ -112,7 +111,6 @@ function createCounterForm(): CounterFormState {
   return {
     consumableAmountYuan: 0,
     coin_consumed_m: 0,
-    otherAmountYuan: 0,
     depositDeductAmountYuan: 0,
     reason: '',
     evidenceText: '',
@@ -395,7 +393,8 @@ export function useOrderActions(options: UseOrderActionsOptions) {
         content: reasonText,
         consumableAmountYuan: counterForm.value.consumableAmountYuan,
         coin_consumed_m: counterForm.value.coin_consumed_m,
-        otherAmountYuan: counterForm.value.otherAmountYuan,
+        // 号主修正只保留「押金赔付扣除」；与 other 同步写入，兼容旧字段语义
+        otherAmountYuan: counterForm.value.depositDeductAmountYuan,
         depositDeductAmountYuan: counterForm.value.depositDeductAmountYuan,
         reason: reasonText,
         evidence_urls: linesToList(counterForm.value.evidenceText),

frontend/src/features/orders/composables/useOrderSnapshot.ts

@@ -11,7 +11,6 @@ export interface CheckoutFormSnapshot {
 export interface CounterFormSnapshot {
   consumableAmountYuan: number
   coin_consumed_m: number
-  otherAmountYuan: number
   depositDeductAmountYuan: number
   reason: string
   evidenceText: string
@@ -181,11 +180,16 @@ export function buildCheckoutContentWithSummary(options: {
 }
 
 export function hydrateCounterFormFromCheckout(checkout: Checkout): CounterFormSnapshot {
+  // 号主修正只暴露押金赔付扣除；优先用结算字段，兼容旧单 only other 的情况
+  const depositDeductYuan = amountYuan(
+    checkout.deposit_deduct_amount_cent > 0
+      ? checkout.deposit_deduct_amount_cent
+      : checkout.other_amount_cent
+  )
   return {
     consumableAmountYuan: amountYuan(checkout.consumable_amount_cent),
     coin_consumed_m: checkout.coin_consumed_m,
-    otherAmountYuan: amountYuan(checkout.other_amount_cent),
+    depositDeductAmountYuan: depositDeductYuan,
-    depositDeductAmountYuan: amountYuan(checkout.deposit_deduct_amount_cent),
     reason: '',
     evidenceText: '',
   }
@@ -193,16 +197,9 @@ export function hydrateCounterFormFromCheckout(checkout: Checkout): CounterFormS
 
 export function calculateCounterTotal(counterForm: {
   consumableAmountYuan: number
-  coin_consumed_m: number
-  otherAmountYuan: number
   depositDeductAmountYuan: number
 }) {
-  return roundMoney(
+  return roundMoney(counterForm.consumableAmountYuan + counterForm.depositDeductAmountYuan)
-    counterForm.consumableAmountYuan +
-      counterForm.coin_consumed_m +
-      counterForm.otherAmountYuan +
-      counterForm.depositDeductAmountYuan
-  )
 }
 
 export function getSnapshotHafCoinM(order: Order | null) {

frontend/src/features/orders/views/MobileOrderDetailView.vue

@@ -465,15 +465,6 @@ async function copyListingCode() {
               />
             </template>
           </van-field>
-          <van-field label="其他押金扣款">
-            <template #input>
-              <input
-                v-model.number="counterForm.otherAmountYuan"
-                type="number"
-                class="custom-inline-input"
-              />
-            </template>
-          </van-field>
           <van-field label="押金赔付扣除" required>
             <template #input>
               <input

frontend/src/features/orders/views/OrderDetailView.vue

@@ -508,16 +508,7 @@ watch([() => route.query.focus, order, loading], () => {
                   controls-position="right"
                 />
               </el-form-item>
-              <el-form-item label="其他押金扣款（元）">
+              <el-form-item label="押金赔付扣除（元）">
-                <el-input-number
-                  v-model="counterForm.otherAmountYuan"
-                  class="full-control"
-                  :min="0"
-                  :precision="0"
-                  controls-position="right"
-                />
-              </el-form-item>
-              <el-form-item label="押金扣除（元）">
                 <el-input-number
                   v-model="counterForm.depositDeductAmountYuan"
                   class="full-control"