修复仲裁退款并新增免押额度

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

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { ElMessage } from 'element-plus'
-import { onMounted, ref } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 
 import { arbitrateDispute, fetchAdminDisputes, type Dispute } from '@/features/disputes'
 import { fetchAdminFileBlob } from '@/shared/api/files'
@@ -20,6 +20,13 @@ const amount = ref<number | undefined>()
 const currentPage = ref(1)
 const currentPageSize = ref(20)
 const total = ref(0)
+const isPartialRefund = computed(() => result.value === 'partial_refund')
+const canSubmitArbitration = computed(() => {
+  if (submitting.value || !activeDispute.value) return false
+  if (!result.value || !remark.value.trim()) return false
+  if (isPartialRefund.value && (!amount.value || amount.value <= 0)) return false
+  return true
+})
 
 onMounted(loadDisputes)
 
@@ -79,11 +86,20 @@ async function openEvidence(url: string) {
 
 async function handleArbitrate() {
   if (!activeDispute.value) return
+  if (submitting.value) return
+  if (!remark.value.trim()) {
+    ElMessage.warning('请填写客服裁决说明')
+    return
+  }
+  if (isPartialRefund.value && (!amount.value || amount.value <= 0)) {
+    ElMessage.warning('请填写部分退款金额')
+    return
+  }
   submitting.value = true
   try {
     await arbitrateDispute(activeDispute.value.id, {
       result: result.value,
-      remark: remark.value,
+      remark: remark.value.trim(),
       amount: amount.value,
     })
     ElMessage.success('仲裁结果已保存，双方已收到通知')
@@ -205,8 +221,12 @@ function readError(error: unknown, fallback: string) {
         />
       </div>
       <template #footer>
-        <el-button @click="activeDispute = null">取消</el-button>
-        <el-button type="primary" :loading="submitting" @click="handleArbitrate"
+        <el-button :disabled="submitting" @click="activeDispute = null">取消</el-button>
+        <el-button
+          type="primary"
+          :loading="submitting"
+          :disabled="!canSubmitArbitration"
+          @click="handleArbitrate"
           >保存裁决</el-button
         >
       </template>