Can I vibe code Honeycomb Upsell & Cross Sell?

Build a custom, private Shopify App using the official Shopify Remix App template and Post-Purchase UI Extensions that replaces Honeycomb Upsell.

1. DATA MODEL & BACKEND (Prisma / PostgreSQL):
- Create an `Offer` table with fields: id, title, triggerProductIds (array), offerProductId, discountType ('percentage' | 'fixed'), discountValue (float), position (integer), isActive (boolean).
- Create an `OfferImpression` table to log: offerId, timestamp, status ('viewed' | 'accepted' | 'declined'), revenue (float).

2. ADMIN INTERFACE (Shopify Polaris):
- Build a clean CRUD interface in the Remix admin app allowing store managers to define offer rules.
- Implement a dashboard showing Total Impressions, Accepted Offers, Conversion Rate, and Extra Revenue generated.

3. POST-PURCHASE EXTENSION LOGIC:
- Implement a Shopify Post-Purchase UI Extension in React.
- In the `shouldRender` extension hook, fetch active offers using the Shopify Admin GraphQL API. Evaluate if any line item in the current order matches `triggerProductIds`.
- If matched, display the offer card featuring the target product, dynamic calculated discount price, claim countdown timer, and 'Add to Order' / 'Decline' buttons.

4. TRANSACTION PROCESSING:
- On 'Add to Order' click, call the extension's `calculateChanges` hook to compute new order totals including tax and shipping.
- Submit changes via `applyChanges` to modify the order before final confirmation.
- Log the conversion event to the `OfferImpression` table.

5. ERROR HANDLING & OUT OF SCOPE:
- If the offer product is out of stock, gracefully skip the extension and proceed to the Thank You page.
- Do not build multi-tier A/B testing engines or complex multi-store analytics. Keep recommendation logic strictly rule-based against defined trigger IDs.

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