Summary only — the full architecture documentation with Mermaid diagrams lives in the git repo at docs/architecture/. This page exists so the high-level shape is visible from Notion without needing to open the repo.

Stack

Next.js 16 (App Router) frontend on Vercel → Express 5 REST API on Render → Prisma 7 → PostgreSQL on Supabase.

Key architecture docs (in the git repo)

• architecture/overview.md — stack, layer boundaries
• architecture/authentication-flow.md — JWT auth, client-side-only admin route guard
• architecture/cms-flow.md — custom CMS content flow
• architecture/deployment-architecture.md — Vercel + Render + Supabase topology
• architecture/future-architecture.md — every open architectural decision

Do not duplicate diagrams or deep technical detail here — link to the repo instead.