bitforum-backend/Application/Abstractions/Data/IAppDbContext.cs

using Microsoft.EntityFrameworkCore;
using Domain.Entities.Common;

namespace Application.Abstractions.Data
{
    public interface IAppDbContext
    {
        DbSet<Config> Config { get; set;  }

        Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
    }
}