Next.js 16.1.6 is not yet fully supported by Vercel's build system, causing 404 on all routes. Downgraded to Next.js 15.5.12 + React 18, fixed ESLint config, TypeScript config, and lint errors. https://claude.ai/code/session_01H2aRGDaKgarPvhay2HxN6Y
Full-stack Next.js 15 application with: - Landing page with marketing components (Hero, Testimonials, Pricing, FAQ) - Multi-step candidature form with API route - Stripe Checkout integration (subscription + webhooks) - Supabase Auth (login/register) with middleware protection - Dashboard with progress tracking and module system - Formations pages with completion tracking - Profile management with password change - Database schema with RLS policies - Resend email integration for transactional emails Stack: Next.js 15, TypeScript, Tailwind CSS v4, Supabase, Stripe, Resend https://claude.ai/code/session_01H2aRGDaKgarPvhay2HxN6Y
