Multi-provider AI system with OpenAI, Anthropic, Google, and xAI — architecture, feature flags, and directory structure
How Clerk authentication is integrated in nextsaas.ai Kit with environment-aware routing and webhook sync
Supabase PostgreSQL with Prisma ORM — architecture, connection setup, and data access patterns
Dual pricing model with Lemon Squeezy — credit-based and classic SaaS subscription architecture
Understand the directory layout and where to find and add code in nextsaas.ai Kit