refactor: 替换页面中硬编码文本为多语言配置

将项目中多处页面的硬编码字符串替换为国际化语言包调用，统一文本管理，方便后续多语言扩展和维护

pages_tool/seal/medium/search.vue

@@ -3,7 +3,7 @@
     <view class="content">
       <view class="cate-search">
         <view class="search-box">
-          <input class="uni-input" maxlength="50" confirm-type="search" :focus="true" placeholder="请输入介质名称 '如汽油'" v-model="inputValue" @focus="inputFocus" @confirm="search" @input="inputChange" />
+          <input class="uni-input" maxlength="50" confirm-type="search" :focus="true" :placeholder="$lang('seal.inputMediumName')" v-model="inputValue" @focus="inputFocus" @confirm="search" @input="inputChange" />
           <text @tap="search" class="iconfont icon-sousuo3"></text>
         </view>
       </view>
@@ -12,7 +12,7 @@
           <view class="history">
             <view class="history-box">
               <view class="history-top">
-                <view class="title">搜索结果</view>
+                <view class="title">{{ $lang('seal.searchResult') }}</view>
               </view>
               <view class="history-bottom">
                 <block v-for="(item, index) in list" :key="index">
@@ -25,7 +25,7 @@
           </view>
         </block>
         <view>
-          <ns-empty v-if="list.length === 0" isIndex="false" text="暂无数据"></ns-empty>
+          <ns-empty v-if="list.length === 0" isIndex="false" :text="$lang('seal.noData')"></ns-empty>
         </view>
       </view>
     </view>
@@ -78,8 +78,8 @@ export default {
     },
     deleteHistoryList() {
       uni.showModal({
-        title: "提示",
-        content: "确认删除全部历史记录？",
+        title: this.$lang('form.tip'),
+        content: this.$lang('seal.confirmDeleteAllHistory'),
         success: (res) => {
           if (res.confirm) {
             uni.setStorageSync("search", []);
@@ -90,8 +90,8 @@ export default {
     },
     deleteItem(item, index) {
       uni.showModal({
-        title: "提示",
-        content: "确认删除该条历史记录？",
+        title: this.$lang('form.tip'),
+        content: this.$lang('seal.confirmDeleteHistory'),
         success: (res) => {
           if (res.confirm) {
             let search = uni.getStorageSync("search");