Can I vibe code CJ Dropshipping?

Build a multi-tenant Supplier Order Sync Engine using Node.js (Fastify), PostgreSQL, and Prisma. The application must bridge Shopify stores with custom factory suppliers.

1. DATA MODEL:
- Store: id, shopifyDomain, accessToken, status.
- ProductMap: id, storeId, storeSku, supplierSku, supplierId, priceMarkupPercentage.
- Order: id, storeId, shopifyOrderId, status (pending, sent_to_supplier, fulfilled, cancelled), trackingNumber, carrier, rawPayload.
- Supplier: id, name, deliveryMethod (API, CSV_EMAIL, PORTAL), apiEndpoint, apiAuthHeader.

2. CORE FUNCTIONALITY:
- Implement a Shopify webhook listener for orders/create. Extract line items.
- Lookup ProductMap by storeSku. If matched, create a internal Order record with mapped supplierSku and recalculate total cost based on vendor rate + markup.
- Route order to designated Supplier: if deliveryMethod is API, execute POST payload to supplier endpoint. If CSV_EMAIL, append to daily queue.
- Build a webhook endpoint (/api/tracking-update) for suppliers to post back tracking updates. Upon receipt, invoke Shopify REST API (Mutation fulfillmentCreate) to update order status and email customer.
- Build a simple React dashboard displaying mapped SKUs, pending orders, and fulfillment sync failures.

3. FAILURE HANDLING:
- Retry failed supplier API posts 3 times with exponential backoff before setting Order status to error_dispatch.
- Handle unmapped SKUs gracefully: flag order as unmapped_sku in UI and notify store admin via email.

4. OUT OF SCOPE:
- Do not build payment gateway processing, storefront catalog browsing, or warehouse inventory management.

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