Interface StockItem

interface StockItem {
    id: string;
    code: string;
    name: string;
    description?: string | null;
    category?: { id: string; name: string; code?: string | null };
    productType: string;
    materialType?: string;
    width?: number | null;
    height?: number | null;
    length?: number | null;
    thickness?: number | null;
    weight?: number | null;
    unit: string;
    currentStock: number;
    availableStock: number;
    reservedStock: number;
    fifoLot?: { id: string; lotNumber: string; quantity: number } | null;
    lots: {
        id: string;
        lotNumber: string;
        batchNumber?: string | null;
        quantity: number;
        unit: string;
        expiryDate?: string | null;
        productionDate?: string | null;
        isActive: boolean;
        isFifoFirst?: boolean;
    }[];
    lastMovement?: {
        id: string;
        type: string;
        quantity: number;
        date: string;
        reason?: string
        | null;
    };
}