refactor: 项目重构，仅保留 login 和 supplementPersonal 页面

删除 11 个旧页面、组件、lefu SDK、旧资源文件。
新增 request 封装(GET/POST/PUT)、api 层、utils/common 身份证工具。
重写 login(登录流程提取到 app.ts) 和 supplementPersonal(简化表单逻辑)。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

miniprogram/pages/home/home.ts

@@ -1,174 +0,0 @@
-import { get } from '../../utils/request/index'
-import { lefuService } from '../../lefu/index'
-
-/** 设备信息 */
-interface DeviceInfo {
-    name: string
-    connected: boolean
-}
-
-/** GET /weighingScale/v3/getMeasureHistory result 结构 */
-interface MeasureHistoryVO {
-    recordId: string
-    height: number
-    weight: number
-    weightChange: number
-    bmi: number
-    bmiType: string
-    standardWeight: number
-    fatRate: number
-    fatValue: number
-    basalMetabolism: number
-    examTime: string
-    sn: string
-    userInfo: {
-        realname: string
-        sex: number
-        [key: string]: any
-    } | null
-}
-
-/** 页面渲染用测量记录 */
-interface WeightRecord {
-    weight: number
-    weightDecimal: string
-    date: string
-    diff: number
-    height: number
-    bmi: number
-    bmiLabel: string
-    stdWeight: number
-    bodyFat: number
-    bodyFatMass: number
-    bmr: number
-}
-
-/** 缓存中的用户信息 */
-interface StorageUserInfo {
-    userId: string
-    [key: string]: any
-}
-
-/** 将体重数字拆成整数 + 小数字符串 */
-const splitWeight = (weight: number): { int: number; decimal: string } => {
-    const str = weight.toFixed(2)
-    const [intPart, decPart] = str.split('.')
-    return { int: Number(intPart), decimal: `.${decPart}` }
-}
-
-Page({
-    _otaChecked: false as boolean,
-
-    data: {
-        hasData: false,
-        device: {
-            name: '智能体重秤',
-            connected: false,
-        } as DeviceInfo,
-        record: null as WeightRecord | null,
-    },
-
-    onLoad() {
-        lefuService.onDeviceInfo((info) => {
-            this.setData({ 'device.name': info.modelNumber ?? '智能体重秤' })
-        })
-        lefuService.onDeviceConnect(() => {
-            this.setData({ 'device.connected': true })
-            this._checkOta()
-        })
-        lefuService.onDisconnected(() => {
-            this.setData({ 'device.connected': false })
-        })
-    },
-
-    onShow() {
-        // 每次进入 tab 同步最新设备状态
-        const connected = lefuService.isConnected
-        this.setData({
-            'device.connected': connected,
-            'device.name': lefuService.deviceInfo?.modelNumber ?? '智能体重秤',
-        })
-        // 进来时设备已连接（如热启动/切 tab 回来），onDeviceConnect 不会再触发，需在此补一次检测
-        if (connected && !this._otaChecked) {
-            this._checkOta()
-        }
-        // 断连时自动扫描重连，重连成功后 onDeviceConnect 回调会触发 OTA 检测
-        if (!connected) {
-            lefuService.autoConnect()
-        }
-        this.loadData()
-    },
-
-    onUnload() {
-        lefuService.onDeviceConnect(() => {})
-        lefuService.onDisconnected(() => {})
-        lefuService.onDeviceInfo(() => {})
-    },
-
-    onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
-        return {
-            title: '智能蓝牙秤',
-            path: '/pages/home/home',
-            imageUrl: '/images/share/share.jpg',
-        }
-    },
-
-    /** 拉取最新一次测量记录 */
-    loadData() {
-        const raw = wx.getStorageSync('userInfo') as StorageUserInfo | null
-        if (!raw?.userId) return
-
-        get<MeasureHistoryVO>('weighingScale/v3/getMeasureHistory', {
-            userId: raw.userId,
-        }, { loading: false })
-            .then((res: any) => {
-                const d: MeasureHistoryVO = res.result
-                if (!d) {
-                    this.setData({ hasData: false, record: null })
-                    return
-                }
-                const { int, decimal } = splitWeight(d.weight ?? 0)
-                const record: WeightRecord = {
-                    weight: int,
-                    weightDecimal: decimal,
-                    date: d.examTime ?? '',
-                    diff: d.weightChange ?? 0,
-                    height: d.height ?? 0,
-                    bmi: d.bmi ?? 0,
-                    bmiLabel: d.bmiType ?? '',
-                    stdWeight: d.standardWeight ?? 0,
-                    bodyFat: d.fatRate ?? 0,
-                    bodyFatMass: d.fatValue ?? 0,
-                    bmr: d.basalMetabolism ?? 0,
-                }
-                this.setData({ hasData: true, record })
-            })
-    },
-
-    /** OTA 固件检测，连接成功后自动调用，有新版本直接升级，整个页面生命周期只触发一次 */
-    _checkOta() {
-        if (this._otaChecked) return
-        this._otaChecked = true
-        lefuService.checkAndUpgrade()
-            .then(() => {
-                wx.showLoading({ title: '加载中...', mask: true })
-                setTimeout(() => {
-                    wx.hideLoading()
-                    // 升级完成后设备重启，旧连接与订阅失效，重新扫描连接
-                    this.setData({ 'device.connected': false })
-                    lefuService.autoConnect()
-                }, 15000)
-            })
-            .catch(() => {})
-    },
-
-    /** 跳转历史数据页 */
-    onTapHistory() {
-        wx.switchTab({ url: '/pages/data/data' })
-    },
-
-    /** 跳转设备列表页 */
-    onTapSwitchDevice() {
-        wx.switchTab({ url: '/pages/equipment/equipment' })
-    },
-})