feat: wire header, footer, and scroll effects into layout

app/layout.tsx

@@ -4,7 +4,9 @@ import { ThemeProvider } from '@wrksz/themes/next'
 import { Providers } from './providers'
 import './globals.css'
 import 'katex/dist/katex.min.css'
-import { useMDXComponents } from '@/mdx-components'
+import { Header } from '@/components/layout/Header'
+import { Footer } from '@/components/layout/Footer'
+import { ScrollProgress } from '@/components/ui/ScrollProgress'
 
 const inter = Inter({
   subsets: ['latin'],
@@ -40,7 +42,10 @@ export default function RootLayout({ children }: { children: React.ReactNode })
           enableSystem
           disableTransitionOnChange
         >
-          <Providers>{children}</Providers>
+            <ScrollProgress />
+            <Header />
+            {children}
+            <Footer />
         </ThemeProvider>
       </body>
     </html>

app/posts/[slug]/page.tsx

@@ -2,6 +2,8 @@ import { notFound } from 'next/navigation'
 import { MDXRemote } from 'next-mdx-remote/rsc'
 import { getPosts, getPost, getReadingTime } from '@/lib/posts'
 import { TableOfContents } from '@/components/blog/TableOfContents'
+import { ScrollToTop } from '@/components/ui/ScrollToTop'
+import { ReadingProgress } from '@/components/ui/ReadingProgress'
 
 export async function generateStaticParams() {
   const posts = await getPosts()
@@ -25,6 +27,9 @@ export default async function PostPage({ params }: { params: Promise<{ slug: str
   if (!post) notFound()
 
   return (
+    <>
+      <ScrollToTop />
+      <ReadingProgress />
       <div className="max-w-4xl mx-auto px-6 py-16">
         <div className="grid grid-cols-1 lg:grid-cols-[1fr_200px] gap-8">
           <article>
@@ -46,5 +51,6 @@ export default async function PostPage({ params }: { params: Promise<{ slug: str
           </aside>
         </div>
       </div>
+    </>
   )
 }

components/blog/PostCard.tsx

@@ -1,3 +1,5 @@
+"use client";
+
 import Link from "next/link";
 import { motion } from "motion/react";
 import type { PostMeta } from "@/lib/posts";