shop/doc/core-apps/cart/features.md

• cart
  • per-user shopping cart, read/write items
  • routes: GET /cart, POST /cart/items, PUT /cart/items/{id}, DELETE /cart/items/{id}
  • depends on: core, auth, catalog
  • room for growth: guest cart (session-based), merge guest cart into user cart on login, saved carts / wishlists, price snapshotting at add-time