Function GET

Returns Promise<
    | NextResponse<
        {
            overview: {
                total: number;
                enAttente: number;
                paye: number;
                nonPaye: number;
                refuse: number;
                totalAmount: number;
            };
            byType: { type: string; count: number; amount: number }[];
            byStatus: { status: string; count: number; amount: number }[];
            monthly: { month: string; count: number; amount: number }[];
            recent: {
                id: string;
                description: string;
                amount: number;
                status: string;
                date: string;
            }[];
        },
    >
    | NextResponse<{ error: string }>,
>