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/my/my.ts

@@ -1,54 +0,0 @@
-/** 缓存中的用户信息 */
-interface StorageUserInfo {
-    userId: string
-    realname: string
-    sex: number
-    height: number
-    birthday: string
-    [key: string]: any
-}
-
-/** 页面展示用用户信息 */
-interface PageUserInfo {
-    realname: string
-    sex_dictText: '男' | '女' | ''
-    age: number
-    height: number
-}
-
-/** 从生日字符串（YYYY-MM-DD）计算周岁 */
-const calcAge = (birthday: string): number => {
-    if (!birthday) return 0
-    const [year, month, day] = birthday.split('-').map(Number)
-    if (!year || !month || !day) return 0
-    const now = new Date()
-    let age = now.getFullYear() - year
-    if (now.getMonth() + 1 < month || (now.getMonth() + 1 === month && now.getDate() < day)) age -= 1
-    return Math.max(0, age)
-}
-
-Page({
-    data: {
-        userInfo: null as PageUserInfo | null,
-    },
-
-    onShow() {
-        const raw = wx.getStorageSync('userInfo') as StorageUserInfo | null
-        if (!raw?.userId) return
-        const userInfo: PageUserInfo = {
-            realname: raw.realname ?? '',
-            sex_dictText: raw.sex === 1 ? '男' : raw.sex === 2 ? '女' : '',
-            age: calcAge(raw.birthday),
-            height: raw.height ?? 0,
-        }
-        this.setData({ userInfo })
-    },
-
-    onShareAppMessage(): WechatMiniprogram.Page.ICustomShareContent {
-        return {
-            title: '智能蓝牙秤',
-            path: '/pages/home/home',
-            imageUrl: '/images/share/share.jpg',
-        }
-    },
-})