Injects dashboard-managed meta tags in the head and eNamad/Samandehi HTML in the footer, and enables Next standalone output for deploy.
Co-authored-by: Cursor <cursoragent@cursor.com>
Pulled in from the parallel auth/cart work on origin/main that this
branch is superseding — these two pieces are independent of the auth
architecture and worth keeping: Next.js standalone output for a leaner
production deploy, and the production env file (public URLs only, no
secrets) it and the app read from.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>