fix: 按UTC日期优化独立站日历筛选

2026-08-15：日历默认视图按当前 UTC 日期过滤与排序，未来和当天节点优先，已过节点降权；显式月份仍保留完整历史。日历页隐藏重复目标区域筛选，平台渲染模块独立拆分，更新静态资源版本号与测试契约，避免 Gitea/IIS/Nginx 部署命中旧缓存。

public/index.html

@@ -25,7 +25,7 @@
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@400;700&display=swap" rel="stylesheet" />
   <link href="./assets/fonts/dongguan-bold/result.css?v=20260814a" rel="stylesheet" />
   <link rel="stylesheet" href="./assets/css/base.css?v=20260814h" />
-  <link rel="stylesheet" href="./assets/css/intelligence.css?v=20260814s" />
+  <link rel="stylesheet" href="./assets/css/intelligence.css?v=20260815a" />
   <script type="application/ld+json">{"@context":"https://schema.org","@graph":[{"@type":"WebSite","name":"三笙AI情报局","inLanguage":"zh-CN","description":"面向家纺跨境经营团队的备货、展会、政策、平台、活动与趋势情报站"},{"@type":"Organization","name":"三笙AI情报局","alternateName":["三笙AI","家纺AI"],"url":"./"}]}</script>
 </head>
 <body>
@@ -78,6 +78,6 @@
   </main>
 
   <div id="toast" class="toast" role="status" aria-live="polite"></div>
-  <script type="module" src="./assets/js/app.js?v=20260814q"></script>
+  <script type="module" src="./assets/js/app.js?v=20260815a"></script>
 </body>
 </html>