feat(h5): 首页跑马灯/三数据卡接同源 /api/v1/platform/*(原地更新,mock 兜底)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

h5/home/index.html

@@ -10154,6 +10154,32 @@ function closeHomePicker() {
 <script>
 /* H1:首页静态壳,导航/触发类先 no-op,H2-H4 接 SGBridge */
 window.go=function(){};window.onTriClaimClick=function(){};window.onHomeCompareClick=function(){};window.goAuthLocation=function(){};
+
+/* H1:三数据卡 + 跑马灯接同源 /api/v1/platform/*(均不鉴权;失败回落原型 mock) */
+(function(){
+  // 三数据卡:替换静态数字(顺序 帮助用户/完成比价/累计节省)
+  fetch('/api/v1/platform/stats').then(function(r){return r.ok?r.json():null;}).then(function(s){
+    if(!s) return;
+    var v=document.querySelectorAll('.home-3stat .h3s-value');
+    if(v.length<3) return;
+    v[0].innerHTML=s.help_users+'<span class="h3s-unit">人</span>';
+    v[1].innerHTML=s.total_compares+'<span class="h3s-unit">次</span>';
+    v[2].innerHTML=(s.total_saved_cents/100).toFixed(1)+'<span class="h3s-unit">元</span>';
+  }).catch(function(){});
+  // 跑马灯:原地更新现有行文本(不重建 DOM→保住滚动);末行是首条副本,用 data[0] 保无缝循环
+  fetch('/api/v1/platform/savings-feed?limit=8').then(function(r){return r.ok?r.json():null;}).then(function(d){
+    if(!d||!d.items||!d.items.length) return;
+    var rows=document.querySelectorAll('#homeMarqueeTrack .home-mq-item');
+    if(!rows.length) return;
+    var data=d.items;
+    rows.forEach(function(el,i){
+      var src=(i===rows.length-1)?data[0]:data[i%data.length];
+      var t=el.querySelector('.mq-time'); if(t)t.textContent=src.time;
+      var u=el.querySelector('.mq-user'); if(u)u.textContent=src.masked_user;
+      var a=el.querySelector('.mq-amt'); if(a)a.textContent=(src.saved_amount_cents/100).toFixed(2);
+    });
+  }).catch(function(){});
+})();
 </script>
 </body>
 </html>