export interface Product { _id?: string; name: string; description: string; unitType: 'pcs' | 'gr' | 'kg' | 'ml'; 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; }