fix: 移动端新增客户表单与后端字段对齐

- 新增联系人(contact)字段，设为必填
- 客户编码(customerCode)设为必填
- 移除后端不支持的字段：简称、客户等级、所属行业
- 表单字段与后端CustomerCreateDTO保持一致

fund-mobile/src/views/customer/Add.vue

@@ -9,6 +9,8 @@
           name="customerCode"
           label="客户编码"
           placeholder="请输入客户编码"
+          :rules="[{ required: true, message: '请输入客户编码' }]"
+          required
         />
         
         <van-field
@@ -21,10 +23,12 @@
         />
         
         <van-field
-          v-model="form.customerShort"
+          v-model="form.contact"
-          name="customerShort"
+          name="contact"
-          label="简称"
+          label="联系人"
-          placeholder="请输入客户简称"
+          placeholder="请输入联系人"
+          :rules="[{ required: true, message: '请输入联系人' }]"
+          required
         />
         
         <van-field
@@ -43,23 +47,6 @@
           placeholder="请输入邮箱"
         />
         
-        <van-field
-          v-model="levelText"
-          is-link
-          readonly
-          name="level"
-          label="客户等级"
-          placeholder="请选择等级"
-          @click="showLevelPicker = true"
-        />
-        
-        <van-field
-          v-model="form.industry"
-          name="industry"
-          label="所属行业"
-          placeholder="请输入所属行业"
-        />
-        
         <van-field
           v-model="form.address"
           name="address"
@@ -84,73 +71,50 @@
         </van-button>
       </div>
     </van-form>
-    
-    <!-- 等级选择器 -->
-    <van-popup v-model:show="showLevelPicker" position="bottom" round>
-      <van-picker
-        :columns="levelOptions"
-        @confirm="onLevelConfirm"
-        @cancel="showLevelPicker = false"
-      />
-    </van-popup>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { showFailToast, showSuccessToast } from 'vant'
 import { createCustomer } from '@/api'
 
 const router = useRouter()
 const submitting = ref(false)
-const showLevelPicker = ref(false)
 
 const form = ref({
   customerCode: '',
   customerName: '',
-  customerShort: '',
+  contact: '',
   phone: '',
   email: '',
-  level: 'C',
-  industry: '',
   address: '',
   remark: ''
 })
 
-const levelOptions = [
-  { text: 'A类（重点客户）', value: 'A' },
-  { text: 'B类（一般客户）', value: 'B' },
-  { text: 'C类（普通客户）', value: 'C' },
-  { text: 'D类（潜在客户）', value: 'D' }
-]
-
-const levelText = computed(() => {
-  const item = levelOptions.find(l => l.value === form.value.level)
-  return item?.text || ''
-})
-
-const onLevelConfirm = ({ selectedOptions }: any) => {
-  form.value.level = selectedOptions[0].value
-  showLevelPicker.value = false
-}
-
 const onSubmit = async () => {
+  if (!form.value.customerCode) {
+    showFailToast('请输入客户编码')
+    return
+  }
   if (!form.value.customerName) {
     showFailToast('请输入客户名称')
     return
   }
+  if (!form.value.contact) {
+    showFailToast('请输入联系人')
+    return
+  }
   
   submitting.value = true
   try {
     await createCustomer({
       customerCode: form.value.customerCode,
       customerName: form.value.customerName,
-      customerShort: form.value.customerShort,
+      contact: form.value.contact,
       phone: form.value.phone,
       email: form.value.email,
-      level: form.value.level,
-      industry: form.value.industry,
       address: form.value.address,
       remark: form.value.remark
     })