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Top-level structure

PathPurpose
app/App Router routes, layouts, and API routes
components/Reusable application components
components/ui/shadcn/ui primitives
config/Central config for site, navigation, pricing, design presets, roadmap, status, and open startup
content/blog/MDX blog posts
emails/React Email templates
hooks/Client hooks such as auth, payment, subscription, and AI chat
lib/Shared helpers, integrations, SEO, validations, and rate limiting
lib/data/Data access layer for profiles, payments, subscriptions, admin, audit logs, and webhook events
lib/payments/Midtrans and Doku integrations
lib/ai/AI provider, middleware, and usage tracking
lib/storage/Avatar storage helpers
supabase/migrations/SQL migrations
tests/Unit, DOM, and route tests
e2e/Playwright smoke tests

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How the app is divided

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Route groups

  • app/(marketing)/ for public pages
  • app/(dashboard)/ for logged-in user areas
  • app/auth/ for authentication flows
Route groups use parentheses, so the folder names do not appear in the URL.

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Rendering model

  • Server components are the default.
  • Client components are used for interactive forms, theme switching, design switching, charts, and browser-only hooks.
  • The browser Supabase client is created in lib/supabase/client.ts.
  • The server Supabase client is created per request in lib/supabase/server.ts.

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Auth flow

  1. The user opens an auth page.
  2. The client form calls Supabase auth APIs.
  3. proxy.ts and lib/supabase/proxy.ts refresh session cookies on later requests.
  4. Protected routes such as /dashboard and /admin check whether the user is signed in.
  5. /admin also checks the admin role from user_roles.

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Billing and payment flow

  1. The user picks a plan from the billing UI.
  2. The client calls POST /api/payments.
  3. The server reads the price from config/subscriptions.ts.
  4. The server inserts a payments record with PENDING status.
  5. The server returns either a Midtrans Snap token or a Doku checkout URL.
  6. The payment provider sends events to the matching webhook route.
  7. The webhook route verifies the signature, records the event, and activates the subscription on successful payment.

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Retry-safe webhook flow

Midtrans and Doku webhooks do not write state without protections. The repository uses:
  • the webhook_events table,
  • an idempotent claim RPC,
  • processed or failed statuses,
  • audit logs for traceability.
That means provider retries do not automatically create duplicate side effects.

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Profile and avatar flow

  1. The user requests a signed upload URL from POST /api/profile/avatar.
  2. The file is uploaded into the avatars bucket.
  3. The user saves avatar references through POST /api/profile.
  4. If the user replaces an avatar, the old object is cleaned up.

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Data access layer

The repository does not place every query directly inside route files. Much of the access logic is split into lib/data/*, such as:
  • payments.ts
  • subscriptions.ts
  • profiles.ts
  • admin.ts
  • audit-logs.ts
  • webhook-events.ts
  • user-roles.ts
This keeps business logic more testable and separates it from the HTTP layer.

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Rate limiting

Public forms, payments, and AI use lib/rate-limit.ts.
  • If SUPABASE_SERVICE_ROLE_KEY is available, the repository uses a persistent Supabase-backed rate-limit store.
  • If not, it falls back to an in-memory local store.
  • Responses include X-RateLimit-* headers.

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When this page is most useful

This page matters most when you:
  • want to refactor folders,
  • want to add a new route,
  • need to understand why auth session cookies stay synchronized,
  • need to debug billing or webhook behavior.