Method VerifyColumnAccessAsync

backend/Services/TaskService.cs:1021–1028

(int columnId, int userId)

    }

    private async Task<bool> VerifyColumnAccessAsync(int columnId, int userId)
    {
        return await _db.Columns
            .Where(c => c.Id == columnId)
            .AnyAsync(c => c.Board.OwnerId == userId
                     || c.Board.Members.Any(m => m.UserId == userId && m.Status == "Accepted")
                     || (c.Board.Workspace.Members.Any(wm => wm.UserId == userId && wm.Status == "Accepted")));
    }

    private async Task<bool> VerifySubtaskAccessAsync(int subtaskId, int userId)
    {