Function GET

Returns Promise<
    | NextResponse<{ error: string }>
    | NextResponse<
        {
            materialNeeds: MaterialCalculationResult[];
            stockCheck: {
                available: boolean;
                shortages: {
                    materialId: string;
                    materialName: string;
                    needed: number;
                    available: number;
                    shortage: number;
                }[];
            };
            totalCost: number;
            summary: {
                totalMaterials: number;
                totalQuantity: number;
                availableStock: boolean;
                shortagesCount: number;
            };
        },
    >,
>