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

pkgService/smart_control/smart_control.vue

@@ -1,7 +1,7 @@
 <template>
   <view class="smart-page">
     <tn-nav-bar :isBack="true" :bottomShadow="false" backgroundColor="transparent" fontColor="#ffffff">
-      <view class="tn-text-bold tn-text-xl">{{ t('navTitle') }}</view>
+      <view class="tn-text-bold tn-text-xl">{{ $tr('全屋智能') }}</view>
     </tn-nav-bar>
 
     <view class="header-section" :style="{ paddingTop: (vuex_custom_bar_height + 20) + 'px' }">
@@ -13,31 +13,31 @@
     </view>
 
     <view class="toolbar">
-      <view class="toolbar-tip">{{ t('toolbarTip') }}</view>
+      <view class="toolbar-tip">{{ $tr('点击设备进入详情并下发控制指令') }}</view>
       <view class="toolbar-action" @click="reloadDevices">
         <text class="tn-icon-refresh" :class="{'spin-anim': isLoading}" style="margin-right: 8rpx;"></text>
-        <text>{{ isLoading ? t('loadingShort') : t('refreshStatus') }}</text>
+        <text>{{ isLoading ? $tr('加载中') : $tr('刷新状态') }}</text>
       </view>
     </view>
 
     <!-- Feedback States -->
     <view v-if="isLoading && !devices.length" class="empty-state">
       <view class="loading-ring"></view>
-      <view class="empty-title">{{ t('loadingTitle') }}</view>
-      <view class="empty-desc">{{ t('loadingDesc') }}</view>
+      <view class="empty-title">{{ $tr('正在连接设备') }}</view>
+      <view class="empty-desc">{{ $tr('正在查询当前房间的可控设备...') }}</view>
     </view>
 
     <view v-else-if="loadError && !devices.length" class="empty-state error-state">
       <text class="tn-icon-warning empty-icon"></text>
-      <view class="empty-title">{{ t('loadFailedTitle') }}</view>
+      <view class="empty-title">{{ $tr('设备加载失败') }}</view>
       <view class="empty-desc">{{ loadError }}</view>
-      <view class="retry-btn" @click="reloadDevices">{{ t('retry') }}</view>
+      <view class="retry-btn" @click="reloadDevices">{{ $tr('重新加载') }}</view>
     </view>
 
     <view v-else-if="!devices.length" class="empty-state">
       <text class="tn-icon-empty empty-icon"></text>
-      <view class="empty-title">{{ t('emptyTitle') }}</view>
-      <view class="empty-desc">{{ t('emptyDesc') }}</view>
+      <view class="empty-title">{{ $tr('暂无可控设备') }}</view>
+      <view class="empty-desc">{{ $tr('当前房间未绑定智能设备') }}</view>
     </view>
 
     <scroll-view v-else scroll-y class="device-scroll">
@@ -58,7 +58,7 @@
           </view>
           <view class="card-bottom">
             <view class="device-name">{{ item.deviceName }}</view>
-            <view class="device-state" :class="{'is-active': item.active}">{{ item.stateText || (item.active ? t('deviceRunning') : t('deviceOff')) }}</view>
+            <view class="device-state" :class="{'is-active': item.active}">{{ item.stateText || (item.active ? $tr('运行中') : $tr('已关闭')) }}</view>
           </view>
         </view>
       </view>
@@ -126,60 +126,6 @@ function resolveDeviceListPollingInterval(deviceList = [], fallback = 1000) {
 }
 
 export default {
-  i18n: {
-    zh: {
-      navTitle: '全屋智能',
-      toolbarTip: '点击设备进入详情并下发控制指令',
-      loadingShort: '加载中',
-      refreshStatus: '刷新状态',
-      loadingTitle: '正在连接设备',
-      loadingDesc: '正在查询当前房间的可控设备...',
-      loadFailedTitle: '设备加载失败',
-      retry: '重新加载',
-      emptyTitle: '暂无可控设备',
-      emptyDesc: '当前房间未绑定智能设备',
-      deviceSummary: '共 {count} 台设备，可进入详情页控制',
-      deviceRunning: '运行中',
-      deviceOff: '已关闭',
-      currentRoom: '当前房间',
-      missingRoomCode: '缺少房间编码',
-      syncingStatus: '正在同步设备状态',
-      unsupportedQuickControl: '设备暂不支持快捷控制',
-      unsupportedSwitch: '该设备不支持快捷开关',
-      missingFunctionCode: '功能编码缺失',
-      sending: '发送中...',
-      enabled: '已开启',
-      disabled: '已关闭',
-      commandFailed: '指令下发失败',
-      requestFailed: '设备列表请求失败'
-    },
-    en: {
-      navTitle: 'Smart Home',
-      toolbarTip: 'Tap a device to open details and send control commands',
-      loadingShort: 'Loading',
-      refreshStatus: 'Refresh Status',
-      loadingTitle: 'Connecting devices',
-      loadingDesc: 'Checking controllable devices in the current room...',
-      loadFailedTitle: 'Failed to load devices',
-      retry: 'Retry',
-      emptyTitle: 'No controllable devices',
-      emptyDesc: 'No smart devices are bound to this room',
-      deviceSummary: '{count} devices available. Tap to control in detail view',
-      deviceRunning: 'Running',
-      deviceOff: 'Off',
-      currentRoom: 'Current Room',
-      missingRoomCode: 'Missing room code',
-      syncingStatus: 'Syncing device status',
-      unsupportedQuickControl: 'Quick control is not supported for this device',
-      unsupportedSwitch: 'This device does not support quick switching',
-      missingFunctionCode: 'Missing function code',
-      sending: 'Sending...',
-      enabled: 'Enabled',
-      disabled: 'Disabled',
-      commandFailed: 'Failed to send command',
-      requestFailed: 'Failed to request device list'
-    }
-  },
   data() {
     return {
       brandId: DEFAULT_BRAND_ID,
@@ -202,19 +148,19 @@ export default {
       return this.$getLanguage()
     },
     displayRoomName() {
-      return this.roomName || this.roomCode || this.t('currentRoom')
+      return this.roomName || this.roomCode || this.$tr('当前房间')
     },
     summaryText() {
       if (!this.roomCode) {
-        return this.t('missingRoomCode')
+        return this.$tr('缺少房间编码')
       }
       if (this.isLoading) {
-        return this.t('syncingStatus')
+        return this.$tr('正在同步设备状态')
       }
       if (this.devices.length) {
-        return this.t('deviceSummary', { count: this.devices.length })
+        return this.$tr('共 {count} 台设备，可进入详情页控制', { count: this.devices.length })
       }
-      return this.t('emptyTitle')
+      return this.$tr('暂无可控设备')
     }
   },
   onLoad(options) {
@@ -236,9 +182,6 @@ export default {
     this.stopPolling()
   },
   methods: {
-    t(key, params) {
-      return this.$tm('pkgService.smart_control.smart_control', key, params)
-    },
     resolvePageContext(options = {}) {
       const session = getSessionSnapshot()
       const roomData = (session && session.myRoomData) || {}
@@ -321,7 +264,7 @@ export default {
 
       if (!this.roomCode) {
         this.devices = []
-        this.loadError = this.t('missingRoomCode')
+        this.loadError = this.$tr('缺少房间编码')
         if (stopRefresh) {
           uni.stopPullDownRefresh()
         }
@@ -361,7 +304,7 @@ export default {
             this.devices = []
           }
           if (!silent) {
-            this.loadError = (error && (error.message || error.msg)) || this.t('requestFailed')
+            this.loadError = (error && (error.message || error.msg)) || this.$tr('设备列表请求失败')
           }
         })
         .finally(() => {
@@ -397,7 +340,7 @@ export default {
 
       const functions = getDeviceFunctions(item)
       if (!functions || !functions.length) {
-        uni.showToast({ title: this.t('unsupportedQuickControl'), icon: 'none' })
+        uni.showToast({ title: this.$tr('设备暂不支持快捷控制'), icon: 'none' })
         return
       }
 
@@ -409,13 +352,13 @@ export default {
 
       const category = getControlTypeCategory(targetFunc.controlType)
       if (category !== 'switch') {
-        uni.showToast({ title: this.t('unsupportedSwitch'), icon: 'none' })
+        uni.showToast({ title: this.$tr('该设备不支持快捷开关'), icon: 'none' })
         return
       }
 
       const functionCode = String((targetFunc && targetFunc.functionCode) || '').trim()
       if (!functionCode) {
-        uni.showToast({ title: this.t('missingFunctionCode'), icon: 'none' })
+        uni.showToast({ title: this.$tr('功能编码缺失'), icon: 'none' })
         return
       }
 
@@ -433,7 +376,7 @@ export default {
       }
 
       this.isSubmitting = true
-      uni.showLoading({ title: this.t('sending') })
+      uni.showLoading({ title: this.$tr('发送中...') })
 
       gatewayExecuteDeviceCommand(this.brandId, item.deviceNo, functionCode, commandPayload)
         .then(() => {
@@ -447,11 +390,11 @@ export default {
               renderKey: this.devices[index].renderKey
             })
           }
-          uni.showToast({ title: enabled ? this.t('enabled') : this.t('disabled'), icon: 'success' })
+          uni.showToast({ title: enabled ? this.$tr('已开启') : this.$tr('已关闭'), icon: 'success' })
         })
         .catch((error) => {
           console.error('execute device command failed', error)
-          uni.showToast({ title: (error && (error.message || error.msg)) || this.t('commandFailed'), icon: 'none' })
+          uni.showToast({ title: (error && (error.message || error.msg)) || this.$tr('指令下发失败'), icon: 'none' })
         })
         .finally(() => {
           this.isSubmitting = false