CleanedItem: {
    [date: string]: {
        additions: number;
        approved: number;
        changedFiles: number;
        changesRequested: number;
        closed: number;
        comments: number;
        deletions: number;
        merged: number;
        opened: number;
        pickupTime: string;
        pushed: number;
        repoName: string;
        reviewTime: string;
    };
}

Final ready-to-use item.