feat: 完善淘宝小程序拍照、报告与登录流程

接入本地实时识别和自动三连拍，调整报告裁切、商品跳转、分享标题及居中页眉；完善游客会话、后台渠道隔离、部署脚本与回归测试。

taobao/pages/profile/profile.axml

@@ -1,10 +1,16 @@
+<import src="../../components/brand-header.axml" />
+<template is="brand-header" data="{{brandHeader: brandHeader}}" />
 <!-- ═════ 03 档案填写 —— 对照 H5 index.html #s-profile(L61-108) + #p-photoguide(L311-327) ═════ -->
-<view class="profile">
+<view class="profile" style="--brand-header-height:{{brandHeader.height}}px;margin-top:{{brandHeader.height}}px;height:calc(100vh - {{brandHeader.height}}px);">
+  <view class="session-guard" a:if="{{identityChecking || identityError}}">
+    <view>{{identityChecking ? '正在确认当前淘宝账号…' : identityError}}</view>
+    <button a:if="{{identityError}}" class="btn-primary" onTap="onRetryIdentity">重新验证</button>
+  </view>
   <!-- H5 .profile-bg -->
   <image class="profile-bg" src="{{bgUrl}}" mode="aspectFill" />
 
   <!-- H5 .profile-body -->
-  <view class="profile-body">
+  <view class="profile-body" hidden="{{identityChecking || identityError}}">
     <view class="page-title">您的肌肤状态</view>
 
     <!-- H5 .form-row.two:出生年月 + 性别 -->
@@ -18,12 +24,10 @@
       </view>
       <view class="field">
         <view class="field-label">您的性别</view>
-        <picker class="pick-host" mode="selector" range="{{genderRange}}" onChange="onGenderChange">
-          <view class="pick">
-            <text class="pick-value">{{genderText}}</text>
-            <view class="chev down"></view>
-          </view>
-        </picker>
+        <view class="pick" onTap="onOpenGender">
+          <text class="pick-value">{{genderText}}</text>
+          <view class="chev down"></view>
+        </view>
       </view>
     </view>
 
@@ -49,8 +53,8 @@
           <view class="skin-arrow prev {{skinIndex === 0 ? 'disabled' : ''}}" onTap="onSkinPrev">
             <view class="chev left"></view>
           </view>
-          <view class="skin-carousel" onTouchStart="onSkinTouchStart" onTouchEnd="onSkinTouchEnd">
-            <view class="skin-track" style="transform: translateX(-{{skinPercent}}%);">
+          <view class="skin-carousel" onTouchStart="onSkinTouchStart" onTouchMove="onSkinTouchMove" onTouchEnd="onSkinTouchEnd" onTouchCancel="onSkinTouchCancel">
+            <view class="skin-track {{skinDragging ? 'dragging' : ''}}" style="transform: translateX(-{{skinPercent}}%) translateX({{skinDragOffset}}px);">
               <view class="skin-item" a:for="{{skins}}" a:key="name">
                 <image class="skin-img" src="{{item.img}}" mode="aspectFit" />
                 <text class="skin-name">{{item.name}}</text>
@@ -75,15 +79,20 @@
     <button class="btn-primary btn-submit" hover-class="btn-press" onTap="onSubmit">提交</button>
   </view>
 
-  <!-- ═══ 弹层:出生年月/地区滚轮(保留现有 picker-view 自绘实现,仅统一外观) ═══ -->
-  <view class="overlay overlay-sheet" a:if="{{picker}}" onTap="onPickerClose">
-    <view class="picker-sheet" catchTap="noop">
+  <!-- ═══ 弹层:出生年月/性别/地区滚轮 ═══ -->
+  <view class="overlay overlay-sheet" a:if="{{picker && !identityChecking && !identityError}}" onTap="onPickerClose">
+    <view class="picker-sheet {{picker === 'gender' ? 'gender-sheet' : ''}}" catchTap="noop">
       <view class="picker-btn-bar">
         <view class="picker-cancel" onTap="onPickerClose">取消</view>
         <view class="picker-title">{{pickerTitle}}</view>
         <view class="picker-ensure" onTap="onPickerConfirm">确定</view>
       </view>
-      <picker-view class="native-picker" value="{{pickerValue}}" onChange="onPickerChange">
+      <picker-view a:if="{{picker === 'gender'}}" class="native-picker gender-picker" value="{{pickerValue}}" onChange="onPickerChange" indicator-style="height:44px; border-top:1px solid #EFEFEF; border-bottom:1px solid #EFEFEF; background-color:rgba(245,240,120,.18);">
+        <picker-view-column>
+          <view class="picker-cell" a:for="{{genderRange}}" a:key="*this">{{item}}</view>
+        </picker-view-column>
+      </picker-view>
+      <picker-view a:else class="native-picker" value="{{pickerValue}}" onChange="onPickerChange">
         <picker-view-column>
           <view class="picker-cell" a:for="{{picker === 'birth' ? birthRange[0] : regionRange[0]}}" a:key="*this">{{item}}</view>
         </picker-view-column>
@@ -95,7 +104,7 @@
   </view>
 
   <!-- ═══ 弹窗:拍照引导(H5 #p-photoguide:L311-327) ═══ -->
-  <view class="overlay overlay-guide" a:if="{{showGuide}}" onTap="onCloseGuide">
+  <view class="overlay overlay-guide" a:if="{{showGuide && !identityChecking && !identityError}}" onTap="onCloseGuide">
     <view class="guide-bg">
       <image class="guide-bg-img" src="{{guideBgUrl}}" mode="aspectFill" />
       <!-- 背景只保留启动页底图 + Slogan -->