- Update root layout with full Open Graph, Twitter Card, and SEO metadata
- Add OG image screenshot (1200x630) of the landing page hero
- Create layout.tsx with page-specific metadata for each marketing page
(welcome, features index, 8 feature detail pages, pricing)
- Use Next.js title template ("%s | Echo") for consistent page titles
- Add NEXT_PUBLIC_SITE_URL to .env.example for metadataBase config
Made-with: Cursor
