export interface Product { _id?: string; name: string; description: string; unitType: "pcs" | "gr" | "kg" | "ml" | "oz" | "lb"; category: string; enabled?: boolean; // Stock management fields stockTracking?: boolean; currentStock?: number; lowStockThreshold?: number; stockStatus?: "in_stock" | "low_stock" | "out_of_stock"; pricing: Array<{ minQuantity: number; pricePerUnit: number; }>; image?: string | File | null | undefined; costPerUnit?: number; }