Financial Education
LMS Platform for Brazil

Browser
  ↓
User submits signup form (email, password)
  ↓
Clerk.users.create()
  ↓
Clerk webhook triggered
  ↓
Supabase Edge Function receives webhook
  ↓
INSERT INTO users table
  ↓
Resend API: send welcome email
  ↓
✅ User authenticated (JWT issued)

Admin Portal
  ↓
Payload CMS (headless)
  ↓
Admin creates course → uploads video
  ↓
Signed URL generator (GCS)
  ↓
Upload directly to GCS bucket
  ↓
Payload saves metadata
  ↓
revalidateTag() on Next.js
  ↓
✅ Course published + cached

Frontend
  ↓
User clicks "Comprar Curso"
  ↓
POST /api/payments/create-intent
  ↓
Verify JWT + Query Supabase price
  ↓
stripe.paymentIntents.create()
  (amount, currency: BRL, PIX/Boleto)
  ↓
Return client_secret to frontend
  ↓
Render Stripe Elements inline
  ↓
User pays via PIX QR or Boleto (stays on platform)
  ↓
Stripe webhook confirmation
  ↓
✅ Order recorded in Supabase

Request → middleware.ts
  ↓
Layer 1: Verify Clerk JWT token
  ↓
Layer 2: Check course enrollment in Supabase RLS
  ↓
Layer 3: Re-verify in API route
  ↓
Generate 15-min signed URL (GCS)
  ↓
Return video stream URL
  ↓
Browser plays video
  ↓
✅ Access granted for enrolled users only

User dashboard
  ↓
Edit profile (name, bio)
  ↓
POST /api/profile/update
  ↓
UPDATE users table (Supabase)
  ↓
Avatar upload? → Delete old GCS file
  ↓
POST to GCS (signed URL)
  ↓
UPDATE avatar_url in Supabase
  ↓
If upload fails → Rollback to previous
  ↓
✅ Profile synced

Public landing page
  ↓
Load separate Next.js project
  ↓
Use Supabase anon key
  ↓
Query published courses
  ↓
RLS policy: anon key → public fields only
  ↓
Display course catalog
  ↓
SEO optimized (Open Graph, Schema.org)
  ↓
✅ Public-facing course list