SaaS Scaffolder Tier: POWERFUL Category: Product Team Domain: Full-Stack Development / Project Bootstrapping --- Input Format --- File Tree Output --- Key Component Patterns Auth Config (NextAuth) Database Schema (Drizzle + NeonDB) Stripe Checkout Route Middleware Environment Variables Template --- Scaffold Checklist The following phases must be completed in order. Validate at the end of each phase before proceeding. Phase 1 — Foundation - [ ] 1. Next.js initialized with TypeScript and App Router - [ ] 2. Tailwind CSS configured with custom theme tokens - [ ] 3. shadcn/ui installed and config…