Drop a production-grade revenue module into your existing SaaS in 3 weeks. Pick one: (1) Stripe checkout + subscriptions with signed webhooks, idempotency, and dunning, (2) a clean admin/creator analytics dashboard with real metrics and filters, or (3) full bilingual FR/AR + RTL i18n rollout across your app. Delivered with tests, docs, and deploy. Stack: Next.js, TypeScript, Supabase or Postgres + Prisma, Stripe, shadcn/ui.