Can I vibe code AfterShip Returns?

Build a self-hosted Returns & Exchanges portal for Shopify/WooCommerce using Node.js, React, and PostgreSQL.

DATA MODEL & ENTITIES:
- Store: id, store_domain, api_access_token, settings (policy_days, auto_approve_threshold).
- ReturnRequest (RMA): id, order_id, customer_email, status (pending, approved, in_transit, received, completed, rejected), return_reason, shipping_label_url, qr_code_url, tracking_number, resolution_type (refund, store_credit, exchange).
- ReturnItem: id, return_request_id, line_item_id, sku, quantity, reason, condition, exchange_variant_id.
- Warehouse: id, name, address, default_carrier, external_3pl_id.

CORE WORKFLOWS & INTEGRATIONS:
1. Customer Self-Service Portal:
   - Authenticate customer via Order Number + Email / Zip Code.
   - Fetch line items from Shopify REST / GraphQL Admin API.
   - Filter eligible items based on policy constraints (e.g., within 30 days of fulfillment, non-final sale items).
   - Offer resolutions: Refund to original payment, Refund to Store Credit (with configurable incentive bonus, e.g., +10%), or Item Exchange (size/color swap using live Shopify inventory).

2. Reverse Logistics & Label Generation:
   - Integrate with EasyPost API (`/v2/shipments`) to generate return shipping labels and QR codes upon RMA approval.
   - Assign destination warehouse based on return reason or shipping origin.
   - Persist tracking code and attach webhook listener for carrier tracking updates (`in_transit`, `delivered`).

3. Admin & Auto-Approval Rules Engine:
   - Create a dashboard for CS agents to view pending RMAs, override decisions, and trigger instant restock or store credit issuance.
   - Implement rule engine: Auto-approve returns under $100 if requested within 14 days; flag high-frequency returners.

4. Webhook Pipeline & Fulfillment Sync:
   - Emit webhook to Shopify when return is marked `delivered` to automatically create a Restock / Draft Refund order or issue a Shopify Gift Card API code for store credit.
   - Push outbound webhook to 3PL API (e.g., ShipBob) to notify warehouse of incoming RMA.

FAILURE MODES & OUT OF SCOPE:
- Out of scope: Physical Happy Returns / Return Bar integrations, in-person POS hardware flows, complex multi-currency tax re-calculations.
- Handle carrier API failures gracefully (queue label generation via Redis/BullMQ if carrier API times out).
- Strictly enforce rate-limiting on customer order search to prevent RMA scraping.

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