fix: use bun package manager, add analytics env guard

- Remove pnpm-lock.yaml (project uses bun, not pnpm)
- Remove highlight.js explicit dep (transitive via rehype-highlight)
- Guard <Analytics /> to production env only
- Keep unified (directly imported in lib/markdown-plugins.ts)

Note: bun.lock needs regeneration locally with `bun install`

Co-authored-by: hanwool kim <toy-crane@users.noreply.github.com>

Author: github-actions[bot]

app/layout.tsx

@@ -37,7 +37,7 @@ export default function RootLayout({
           {children}
         </ThemeProvider>
         {process.env.NODE_ENV === "development" && <Agentation />}
-        <Analytics />
+        {process.env.NODE_ENV === "production" && <Analytics />}
       </body>
     </html>
   );

package.json

@@ -18,7 +18,6 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "defuddle": "^0.15.0",
-    "highlight.js": "^11.11.1",
     "linkedom": "^0.18.12",
     "lucide-react": "^0.576.0",
     "motion": "^12.38.0",