Can I vibe code UpPromote?

Build a standalone Affiliate and Referral Tracking microservice in Node.js (TypeScript) with a Next.js administrative and affiliate dashboard, designed to replace UpPromote for a Shopify store.

1. DATA MODEL:
- Affiliate: id, name, email, referral_code, payout_details (JSON), status (pending, active, banned), total_earned, pending_balance, created_at.
- Click: id, affiliate_id, ip_address, user_agent, landing_page, created_at.
- ReferralOrder: id, affiliate_id, shopify_order_id, order_number, total_amount, commission_amount, status (pending, approved, rejected, paid), created_at.
- Payout: id, affiliate_id, amount, payment_method, transaction_reference, status, created_at.

2. CLIENT INTEGRATION & TRACKING:
- Create a lightweight vanilla JavaScript snippet (`affiliate.js`) hosted on CDN. It must check for a `?ref=CODE` query parameter on landing. If present, store `CODE` in a 30-day first-party cookie/localStorage and send an HTTP POST request to `/api/track-click` logging the click event.

3. SHOPIFY INTEGRATION:
- Implement a Webhook endpoint `/api/webhooks/shopify/order-created` secured with HMAC validation.
- When an order arrives, parse `note_attributes`, discount codes, or fallback cookie payload to match a `referral_code`.
- Calculate commission based on a configurable default flat rate or percentage (e.g., 10% of subtotal excluding shipping and taxes).
- Handle order updates (`orders/cancelled` and `refunds/create`) to automatically claw back or mark commissions as 'rejected'.

4. DASHBOARDS:
- Affiliate Dashboard: Passwordless magic-link authentication. Displays unique ref link, total clicks, total conversions, pending balance, and payout history.
- Admin Dashboard: Manage affiliates, approve/reject pending orders, manually trigger payouts, and set commission tiers.

5. FAILURE MODES & OUT OF SCOPE:
- Handle webhook deduplication using `shopify_order_id` as a unique index.
- Out of scope: Multi-level marketing (MLM) structures, built-in marketplace, and native W-9 tax document submission handling.

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