Can I vibe code Braintree?

Build a Payment Orchestration and Webhook Logging Middleware in Node.js/TypeScript using Express and PostgreSQL. The goal of this application is NOT to process credit cards directly, but to orchestrate transactions safely across multiple payment providers (e.g., Braintree, Stripe) using hosted fields and webhooks.

1. DATA MODEL:
- Transactions table: id, order_id, gateway_name (e.g., 'braintree'), gateway_transaction_id, amount, currency, status (pending, authorized, captured, voided, refunded, failed), error_code, payload (JSONB), created_at.
- WebhookEvents table: id, gateway_name, event_type, event_id, payload (JSONB), processed (boolean), created_at.

2. API ENDPOINTS:
- POST /api/payments/client-token: Generates a Braintree client token or Stripe PaymentIntent client secret depending on the user's currency and location.
- POST /api/payments/process: Receives a payment_method_nonce or payment_intent_id from the frontend SDK. Calls the payment provider SDK server-side to execute an authorize or capture call. Never store or handle raw credit card numbers (PANs) on this server.
- POST /api/webhooks/braintree: Endpoint to receive Braintree signature and payload verification. Must process webhooks asynchronously.

3. LOGIC & RESILIENCY:
- Implement strict webhook verification using vendor public keys.
- Store raw webhook payloads in WebhookEvents immediately upon receipt, return HTTP 200, then queue execution in a background worker.
- Ensure idempotent handling of transaction state updates using database transactions and row-level locks on transaction_id.

4. OUT OF SCOPE:
- Do not build credit card input fields without SDK hosted field frames.
- Do not attempt direct card network API calls.

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