Follow/unfollow users. Recipe favorites. Threaded comments with emoji reactions. Collections (public/private) with shared member invite. Activity feed. Public profile pages at /u/[username].
List, detail, new, edit pages. Server-side pagination, dietary tags, difficulty. Photo upload to S3-compatible storage. Version history. Multi-select grid with bulk delete/visibility. Print view. Delete confirmation dialog.
App Router setup with next-intl (en/fr), Better Auth wiring, shadcn/ui components, Tailwind, AES-256-GCM encrypt util, Redis rate limiter, tier limit checker, site_settings helper for runtime .env overrides.
Arnaud