refactor: 国际化文本迁移至全局 locales/messages.js

将组件级 i18n 对象重构为统一由全局 locales/messages.js 管理，确保中英文语言切换时正确显示对应文本。

- 新增 utils/i18n.js 国际化工具函数
- 更新 store/$t.mixin.js 翻译混入逻辑
- 迁移 pkgService、pkgBooking、pkgAccount、pkgExplore、pages 等共 58 个组件的中英文文本至全局消息表

pages/index/component/SelectRoomAreaPanel.vue

@@ -28,7 +28,7 @@
         </view>
         <view class="search-box tn-flex tn-flex-col-center">
           <text class="tn-icon-search search-icon"></text>
-          <text class="search-placeholder">{{ t('searchApartment') }}</text>
+          <text class="search-placeholder">{{ $tr('搜索区域、公寓或房型') }}</text>
         </view>
         <view
           class="sort-trigger tn-flex tn-flex-col-center tn-flex-row-center"
@@ -44,7 +44,7 @@
         <view class="quick-filter-head tn-flex tn-flex-row-between tn-flex-col-center">
           <view class="quick-filter-title-box tn-flex tn-flex-col-center">
             <view class="quick-filter-dot"></view>
-            <text class="quick-filter-title">{{ t('tagFilter') }}</text>
+            <text class="quick-filter-title">{{ $tr('标签筛选') }}</text>
           </view>
           <text class="quick-filter-current">{{ displayTag(currentTagLabel) }}</text>
         </view>
@@ -57,7 +57,7 @@
               :class="{ 'quick-tag--active': !selectedTag }"
               @click="$emit('select-tag', '')"
             >
-              {{ t('all') }}
+              {{ $tr('全部') }}
             </view>
             <view
               v-for="tag in availableFilterTags"
@@ -81,17 +81,17 @@
           class="room-status-card tn-margin-bottom-lg"
         >
           <view class="room-status-card__title">
-            {{ isAreaLoading ? t('loadingAreaStatus') : t('areaStatus') }}
+            {{ isAreaLoading ? $tr('区域加载中') : $tr('区域状态') }}
           </view>
           <view class="room-status-card__desc">
-            {{ roomLoadError || areaLoadError || t('areaStatusDesc') }}
+            {{ roomLoadError || areaLoadError || $tr('暂无符合筛选条件的区域') }}
           </view>
         </view>
 
         <view v-if="!isAreaLoading && !displayAreaSections.length" class="empty-state-card tn-margin-bottom-lg">
-          <view class="empty-state-card__title">{{ bannerList.length ? t('emptyAreaTitle') : t('emptyBannerTitle') }}</view>
+          <view class="empty-state-card__title">{{ bannerList.length ? $tr('暂无匹配房源') : $tr('暂无轮播图') }}</view>
           <view class="empty-state-card__desc">
-            {{ bannerList.length ? t('emptyAreaDesc') : t('emptyBannerDesc') }}
+            {{ bannerList.length ? $tr('当前筛选条件下暂无可用房源') : $tr('暂无可展示的轮播图') }}
           </view>
         </view>
 
@@ -102,7 +102,7 @@
             <view class="store-title-bar tn-flex tn-flex-row-between tn-flex-col-center">
               <view class="store-title tn-text-ellipsis">{{ getAreaName(area) }}</view>
               <view class="store-detail-btn tn-flex tn-flex-col-center">
-                <text class="btn-text">{{ t('viewCommunity') }}</text>
+                <text class="btn-text">{{ $tr('查看详情') }}</text>
                 <text class="tn-icon-right btn-icon"></text>
               </view>
             </view>
@@ -118,7 +118,7 @@
                 </view>
                 <text class="address-text">{{ getAreaAddress(area) || defaultAreaAddress(getAreaName(area)) }}</text>
               </view>
-              <view class="store-distance">{{ t('distancePlaceholder') }}</view>
+              <view class="store-distance">{{ $tr('附近') }}</view>
             </view>
           </view>
 
@@ -145,8 +145,8 @@
                   <view class="room-price-row tn-flex tn-flex-row-between tn-flex-col-bottom">
                     <view class="price-content">
                       <text class="price-symbol">¥</text>
-                      <text class="price-val">{{ formatDisplayPrice(roomType.price) || t('pricePending') }}</text>
-                      <text class="price-unit">{{ t('priceUnit') }}</text>
+                      <text class="price-val">{{ formatDisplayPrice(roomType.price) || $tr('待定') }}</text>
+                      <text class="price-unit">{{ $tr('元/月起') }}</text>
                     </view>
                     <view class="room-go-icon tn-flex tn-flex-col-center tn-flex-row-center">
                       <text class="tn-icon-right"></text>
@@ -272,9 +272,6 @@ export default {
       }
       return localizeHousingTag(text, this.language)
     },
-    t(key) {
-      return this.$tm('pages.index.component.SelectRoomTab', key)
-    },
     formatRoomTypeName(name) {
       const normalizedName = String(name || '')
       return normalizedName.replace(/^[^·]+·/, '')
@@ -321,7 +318,7 @@ export default {
       return [...new Set(roomTypeTags)].slice(0, 4)
     },
     showTagActionSheet() {
-      const tagOptions = [this.t('allTags'), ...this.availableFilterTags]
+      const tagOptions = [this.$tr('全部标签'), ...this.availableFilterTags]
       if (!tagOptions.length) {
         return
       }
@@ -335,10 +332,10 @@ export default {
     },
     showSortActionSheet() {
       const sortOptions = [
-        { label: this.t('sortDefault'), value: 'default' },
-        { label: this.t('sortPriceAsc'), value: 'price-asc' },
-        { label: this.t('sortPriceDesc'), value: 'price-desc' },
-        { label: this.t('sortNameAsc'), value: 'name-asc' }
+        { label: this.$tr('默认排序'), value: 'default' },
+        { label: this.$tr('价格从低到高'), value: 'price-asc' },
+        { label: this.$tr('价格从高到低'), value: 'price-desc' },
+        { label: this.$tr('名称排序'), value: 'name-asc' }
       ]
       uni.showActionSheet({
         itemList: sortOptions.map((item) => item.label),
@@ -360,9 +357,9 @@ export default {
     },
     defaultAreaAddress(areaName = '') {
       if (this.language === 'en') {
-        return `${this.t('defaultAreaAddressPrefix')}${areaName} CBD`
+        return `${this.$tr('位于')}${areaName} CBD`
       }
-      return `${this.t('defaultAreaAddressPrefix')}${areaName}核心商圈`
+      return `${this.$tr('位于')}${areaName}核心商圈`
     }
   }
 }