feat(ts): 实现 Polaris 可交互首页

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

ts/web/nextjs/polaris/src/app/layout.tsx

@@ -0,0 +1,26 @@
+import type { Metadata, Viewport } from "next"
+
+import "./globals.css"
+
+export const metadata: Metadata = {
+  title: "Polaris — 个人导航起始页",
+  description: "快速搜索并访问常用网站的个人导航起始页。",
+  icons: {
+    icon: "/brand/logo.svg",
+  },
+}
+
+export const viewport: Viewport = {
+  colorScheme: "light",
+  themeColor: "#dcebf5",
+}
+
+export default function RootLayout({
+  children,
+}: Readonly<{ children: React.ReactNode }>) {
+  return (
+    <html lang="zh-CN">
+      <body>{children}</body>
+    </html>
+  )
+}