chore: happy 出口通初始提交（前端 React + 后端 Express，采购管理已原生化）

frontend/index.html

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>happy出口通</title>
+  <script>
+    try {
+      const theme = localStorage.getItem('tms-theme') === 'light' ? 'light' : 'dark';
+      document.documentElement.dataset.theme = theme;
+      document.documentElement.style.colorScheme = theme;
+      document.documentElement.dataset.motion = localStorage.getItem('tms-motion') === 'reduced' ? 'reduced' : 'full';
+    } catch (_) { document.documentElement.dataset.theme = 'dark'; }
+  </script>
+</head>
+<body>
+  <div id="root"></div>
+  <script type="module" src="/src/main.jsx"></script>
+</body>
+</html>
+