Design for [a feature]:
[describe]. Before I code:
what's painful in six months,
which decision is hardest to
reverse, and what to decide
now versus defer.

Review My Design Before I Build It

The six-month view, and which door closes behind you.

Prompt

Here's the design for [a feature or system]: [describe it]. Before I write any code, tell me what will be painful in six months, which decision is hardest to reverse, and what I should decide now versus defer.