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/history/history.axml

@@ -1,10 +1,16 @@
+<import src="../../components/brand-header.axml" />
+<template is="brand-header" data="{{brandHeader: brandHeader}}" />
 <!-- ═════ 历史报告 —— 对照 H5 index.html #s-history(L32-42) 与 app.js renderHistoryList()(L1956-1985) ═════ -->
-<view class="history">
+<view class="history" style="padding-top:{{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 #s-history{background:#efefef url(bg-history-h5) center/cover fixed} -->
   <image class="history-bg" src="{{bgUrl}}" mode="aspectFill" />
 
   <!-- H5 .history-content -->
-  <view class="history-content">
+  <view class="history-content" hidden="{{identityChecking || identityError}}">
     <view class="report-title">您的报告</view>
 
     <!-- H5 .account-status.account-status-history -->
@@ -31,7 +37,8 @@
       <view class="history-list-note" a:if="{{!loading && error}}">{{error}}，请刷新列表重试。</view>
       <view class="history-empty" a:if="{{!loading && !error && !items.length}}">
         <view>暂无检测报告</view>
-        <view>完成一次检测后，报告会自动保存在这里。</view>
+        <view>{{guest ? '游客报告不保存，淘宝登录后可保存之后生成的报告。' : '完成一次检测后，报告会自动保存在这里。'}}</view>
+        <button a:if="{{guest}}" class="history-retry" onTap="onLogin">淘宝账号登录</button>
       </view>
       <view class="card history-item" a:for="{{items}}" a:key="id" data-id="{{item.id}}" onTap="onOpen">
         <view class="history-item-line"><text class="history-item-label">测试时间</text> {{item.date}}</view>