Building Vortexcones Labs — multi-tenant SaaS starter kits for Next.js + Supabase (RLS tenant isolation, RBAC, notification delivery). Every kit is extracted from real production code and validated against a live Postgres instance before it ships.
Next.js + Supabase foundation: RLS tenant isolation, RBAC, JWT custom claims, subscriptions, audit logs — validated against a live Postgres instance.
Provider-agnostic SMS/email orchestration for Next.js + Supabase: retry, idempotency, PII-masked audit logs, and a real admin console for failures.