fix(hd): 优化客户搜索提示文案

- 将搜索框提示改为“输入客户名称”，使表述更简洁明确

hdApp/src/admin/hb/list.vue

@@ -7,7 +7,7 @@
     <view class="fixed-header">
       <view class="search-row">
         <view class="search-container">
-          <app-search-module ref="searchRef" placeholder="输入客户名搜索" v-model="searchText" @input="searchFn" />
+          <app-search-module ref="searchRef" placeholder="输入客户名称" v-model="searchText" @input="searchFn" />
           <view v-if="customId" class="search-clear" @click.stop="clearCustomer">清空</view>
         </view>
         <button class="header-btn filter-btn" @click="openFilter">筛选</button>