feat(website): add og:title and og:description via pageMeta helper

Extract a DRY pageMeta(title, description) helper that returns both
standard and OpenGraph meta tags from a single source of truth.

packages/website/src/routes/index.tsx

@@ -1,16 +1,13 @@
 import { createFileRoute } from '@tanstack/react-router'
 import { LandingPage } from '~/components/landing-page'
+import { pageMeta } from '~/meta'
 
 export const Route = createFileRoute('/')({
   head: () => ({
-    meta: [
-      { title: 'Paseo – Run Claude Code, Codex, and OpenCode from everywhere' },
-      {
-        name: 'description',
-        content:
-          'A self-hosted daemon for Claude Code, Codex, and OpenCode. Agents run on your machine with your full dev environment. Connect from phone, desktop, or web.',
-      },
-    ],
+    meta: pageMeta(
+      'Paseo – Run Claude Code, Codex, and OpenCode from everywhere',
+      'A self-hosted daemon for Claude Code, Codex, and OpenCode. Agents run on your machine with your full dev environment. Connect from phone, desktop, or web.',
+    ),
   }),
   component: Home,
 })