agent_backend/app/layout.tsx

import type { Metadata } from 'next';
import { Geist, Geist_Mono } from 'next/font/google';
import './globals.css';
const sans = Geist({ variable: '--font-geist-sans', subsets: ['latin'] });
const mono = Geist_Mono({ variable: '--font-geist-mono', subsets: ['latin'] });
export const metadata: Metadata = {
  title: '术核 AI · 后端工程课件',
  description:
    '用轻量电商商品服务串联 API、表结构设计、数据库、异步任务、Redis、Docker、Linux 与线上排障，通过图解学习后端工程及分布式系统设计，最后用逐模块复盘与自测检验掌握程度。',
  icons: { icon: '/brand/shuh-favicon.ico' },
};
export default function RootLayout({
  children,
}: Readonly<{ children: React.ReactNode }>) {
  return (
    <html lang="zh-CN">
      <body className={`${sans.variable} ${mono.variable}`}>{children}</body>
    </html>
  );
}