Even if it's not a full design in writing, important decisions should have a trail. It can be hard to adhere to that, but it's very useful. Life if there's some

Even if it's not a full design in writing, important decisions should have a trail. It can be hard to adhere to that, but it's very useful. Life if there's something that you think could bite you, but a manager is very pushy about their way, write it down in an email as a question asking for confirmation. I've had to go back to emails like that, sometimes to actually confirm to the person who made the decision in the first place.