{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "Order", "description": "A placed order.", "type": "object", "properties": { "id": { "type": "string", "description": "Order identifier.", "example": "order-001" }, "status": { "type": "string", "description": "Current order status.", "enum": [ "pending", "processing", "shipped", "delivered", "cancelled" ] }, "total": { "type": "number", "description": "Order total.", "example": 109.98 }, "createdAt": { "type": "string", "format": "date-time", "description": "Order creation timestamp." }, "items": { "type": "array", "description": "Items in the order.", "items": { "$ref": "#/$defs/CartItem" } } } }