feat(sae): add Java MVP backend and Taobao connectivity page

Spring Boot 3.5.6 / Java 17 JAR with cloud gateway envelope and ping/whoami/echo; Taobao gateway signature verification matching the Node implementation; /pages/mvp page, splash dev entry and local transport contract test; SAE + 聚石塔 runbook and portable JDK/Maven setup; Windows 11 wmic shim for Taobao DevTools.

taobao/pages/mvp/mvp.acss

@@ -0,0 +1,91 @@
+.mvp {
+  min-height: 100vh;
+  box-sizing: border-box;
+  padding: 48rpx 32rpx 64rpx;
+  background: #101823;
+  color: #F5F5F5;
+}
+
+.mvp-head {
+  margin-bottom: 32rpx;
+}
+
+.mvp-kicker {
+  display: block;
+  color: #F5F078;
+  font-size: 24rpx;
+  letter-spacing: 2rpx;
+  margin-bottom: 12rpx;
+}
+
+.mvp-title {
+  display: block;
+  font-size: 44rpx;
+  font-weight: 700;
+  line-height: 1.3;
+}
+
+.mvp-sub {
+  display: block;
+  color: #9AA4B2;
+  font-size: 26rpx;
+  margin-top: 10rpx;
+}
+
+.mvp-card {
+  background: #1B2634;
+  border: 1rpx solid #2A3748;
+  border-radius: 20rpx;
+  padding: 28rpx;
+  margin-bottom: 28rpx;
+}
+
+.mvp-label {
+  color: #9AA4B2;
+  font-size: 24rpx;
+  margin-bottom: 16rpx;
+}
+
+.mvp-code {
+  display: block;
+  color: #E8EDF4;
+  font-family: Menlo, Consolas, monospace;
+  font-size: 24rpx;
+  line-height: 1.6;
+  white-space: pre-wrap;
+  word-break: break-all;
+}
+
+.mvp-actions {
+  display: flex;
+  flex-direction: column;
+  gap: 16rpx;
+  margin-bottom: 28rpx;
+}
+
+.mvp-btn {
+  height: 88rpx;
+  line-height: 88rpx;
+  border-radius: 44rpx;
+  background: #243244;
+  color: #E8EDF4;
+  font-size: 28rpx;
+  border: none;
+}
+
+.mvp-btn::after {
+  border: none;
+}
+
+.mvp-btn-primary {
+  background: #F5F078;
+  color: #101823;
+  font-weight: 600;
+}
+
+.mvp-tip {
+  color: #7F8A99;
+  font-size: 24rpx;
+  line-height: 1.7;
+  padding: 0 8rpx;
+}

taobao/pages/mvp/mvp.axml

@@ -0,0 +1,28 @@
+<view class="mvp">
+  <view class="mvp-head">
+    <text class="mvp-kicker">SAE + 淘宝云应用</text>
+    <text class="mvp-title">最小连通性验证</text>
+    <text class="mvp-sub">Java 后端 / 云网关统一响应</text>
+  </view>
+
+  <view class="mvp-card">
+    <view class="mvp-label">当前 config.js</view>
+    <text class="mvp-code">{{configText}}</text>
+  </view>
+
+  <view class="mvp-actions">
+    <button class="mvp-btn mvp-btn-primary" onTap="onPing" loading="{{loading}}">POST /api/taobao/ping</button>
+    <button class="mvp-btn" onTap="onWhoami" loading="{{loading}}">POST /api/taobao/whoami</button>
+    <button class="mvp-btn" onTap="onEcho" loading="{{loading}}">POST /api/taobao/echo</button>
+    <button class="mvp-btn" onTap="onBack">返回首页</button>
+  </view>
+
+  <view class="mvp-card">
+    <view class="mvp-label">返回（已由 transport.unwrap 解包）</view>
+    <text class="mvp-code">{{resultText}}</text>
+  </view>
+
+  <view class="mvp-tip">
+    本地调试：config.transport = direct，baseUrl 指向 127.0.0.1。云端：transport = cloud，baseUrl 必须是 HTTPS，并填写 cloudAppId/cloudEnv。
+  </view>
+</view>

taobao/pages/mvp/mvp.js

@@ -0,0 +1,63 @@
+var config = require('../../config');
+var transport = require('../../utils/transport');
+var original = { transport: config.transport, baseUrl: config.baseUrl };
+
+if (config.mvpLocal) {
+  config.transport = 'direct';
+  config.baseUrl = config.mvpBaseUrl;
+}
+
+Page({
+  data: {
+    configText: '',
+    resultText: '',
+    loading: false
+  },
+
+  onLoad: function () {
+    this.setData({
+      configText: JSON.stringify({
+        environment: config.environment,
+        transport: config.transport,
+        baseUrl: config.baseUrl,
+        cloudAppId: config.cloudAppId || '(empty)',
+        cloudEnv: config.cloudEnv
+      }, null, 2)
+    });
+    this.onPing();
+  },
+
+  call: function (path, body) {
+    var that = this;
+    this.setData({ loading: true, resultText: '请求中...' });
+    transport.request(path, body || {}).then(function (data) {
+      that.setData({ loading: false, resultText: JSON.stringify(data, null, 2) });
+    }).catch(function (err) {
+      that.setData({
+        loading: false,
+        resultText: 'ERROR: ' + (err && err.message ? err.message : String(err))
+      });
+    });
+  },
+
+  onPing: function () {
+    this.call('/api/taobao/ping', {});
+  },
+
+  onWhoami: function () {
+    this.call('/api/taobao/whoami', {});
+  },
+
+  onEcho: function () {
+    this.call('/api/taobao/echo', { hello: 'world', at: Date.now() });
+  },
+
+  onBack: function () {
+    my.navigateBack();
+  },
+
+  onUnload: function () {
+    config.transport = original.transport;
+    config.baseUrl = original.baseUrl;
+  }
+});

taobao/pages/mvp/mvp.json

@@ -0,0 +1,5 @@
+{
+  "defaultTitle": "SAE 连通性 MVP",
+  "titleBarColor": "#101823",
+  "backgroundColor": "#101823"
+}

taobao/pages/splash/splash.acss

@@ -142,3 +142,4 @@
 .brand-row { justify-content: center; }
 .brand-logo { width: 450rpx; height: 52rpx; margin: 0; }
 .camera-debug-entry { position: absolute; z-index: 2; top: 24rpx; right: 24rpx; padding: 16rpx 24rpx; border-radius: 16rpx; color: #fff; background: rgba(0,0,0,.65); font-size: 24rpx; }
+.mvp-debug-entry { top: 100rpx; }

taobao/pages/splash/splash.axml

@@ -1,6 +1,7 @@
 <!-- ═════ 01 启动页 ═════ -->
 <view class="splash">
   <view class="camera-debug-entry" a:if="{{showCameraDebug}}" onTap="onCameraDebug">开发调试 · 相机验收</view>
+  <view class="camera-debug-entry mvp-debug-entry" a:if="{{showMvpDebug}}" onTap="onMvpDebug">SAE MVP 连通性</view>
   <image class="splash-bg" src="{{bgUrl}}" mode="aspectFill" />
   <view class="splash-slogan">
     <text>1'me,</text>

taobao/pages/splash/splash.js

@@ -1,6 +1,7 @@
 /* ═════ 启动页:品牌底图 + Slogan + 隐私授权弹窗(对齐 H5 #s-splash + #p-privacy) ═════ */
 var api = require('../../utils/api.js');
 var development = require('../../utils/development');
+var config = require('../../config');
 
 Page({
   data: {
@@ -8,7 +9,8 @@ Page({
     logoUrl: api.assetUrl('img/ui-20261012/brand-lockup.png'),
     showPrivacy: false,  // 隐私授权弹窗
     agreed: false,       // 隐私协议勾选
-    showPolicy: false, busy: false, signedIn: false, showCameraDebug: development.cameraDebugEnabled()
+    showPolicy: false, busy: false, signedIn: false, showCameraDebug: development.cameraDebugEnabled(),
+    showMvpDebug: config.mvpLocal === true
   },
   onShow: function () {
     var that = this;
@@ -65,6 +67,10 @@ Page({
     if (!development.cameraDebugEnabled()) return;
     my.navigateTo({ url: '/pages/camera/camera?debug=camera' });
   },
+  onMvpDebug: function () {
+    if (!config.mvpLocal) return;
+    my.navigateTo({ url: '/pages/mvp/mvp' });
+  },
 
   noop: function () {} // 弹窗卡片内点击拦截冒泡用
 });