Pull requests and issues
Two GitHub features you'll meet quickly.
A (PR) is a proposal to merge one into another, with a built-in space to review the changes before they go in. Even working solo, PRs are useful: they give you one clean screen showing every change, so you can review the AI's work before merging it into main. It's the diff habit, formalized.
An issue is a tracked note about something to do or fix — a bug, a feature idea, a TODO. Issues are how you keep a to-do list attached to the project itself instead of scattered in your head.