Adds a new consumable or passive item to @repo/plugin-item-shops—discovery questions, createItem + behavior helpers, shop registration, Vitest. Use when creating or extending items under packages/plugin-item-shops/items, registering exports in items/index.ts, or listing items in shops/.
Adds a new shop to @repo/plugin-item-shops—dedicated shop module, item lineup and prices, optional onBuy/onSessionEnd, Vitest for onBuy, SHOP_CATALOG registration. Use when creating shops under packages/plugin-item-shops/shops, editing shops/index.ts, or wiring ShopBuyContext callbacks.