feat(taobao): add native mini program with shared backend

Preserve H5 flows while adding Taobao identity, native capture, reports and isolated local development. Fix canceled province selection and expired-session logout. Record passing local regressions, two pre-existing H5 assertion failures and pending platform validation.

taobao/app.js

@@ -0,0 +1,20 @@
+/* ═════ 1'me 肌肤状态检测 · 淘宝小程序 ═════
+ * 复用 H5 版业务逻辑与后端接口(POST /api/skin-analyze),channel 固定为 'taobao' */
+App({
+  globalData: {
+    // 档案(profile 页填写):{ real_age, gender, region, daily_skin_type }
+    profile: null,
+    // 三连拍 dataURL,送检口径固定为 [正脸, 左脸, 右脸](与 H5 photosByView 一致)
+    photos: null,
+    // 检测接口返回:{ result, side, face_rectangle }
+    payload: null
+  },
+
+  onLaunch: function () {
+    // 预取语音清单(失败静默,不影响主流程)
+    require('./utils/voice.js').init();
+  },
+  onHide: function () {
+    require('./utils/voice.js').stop(true);
+  }
+});