A full example of all levels would be something like this. Generally, I think I'd have split up this commit to remove the top-level bullets, and more splits means fewer bullet levels.

Also, due to HN comments not being the best with formatting this kind of thing, I kept these lines very short. It's the gist that matters most.

I don't know where I picked up this style, but it was before I ever got hired anywhere. It was common across several places I worked at later on in the 2010s. I strongly prefer this to rambling prose. The first line is the Jira ticket description, by the way.

  MYPRJ-73: Auth bug redirect loop

  - Frontend router fixes
    - Check cookies before redirect
    - Default redirect to login page
      - New case added for "expired"
  - Backend
    - Update repurposed Apache config
      - Remove old DBM
    - Update cookie response header
      - Don't use "SameSite=Strict"
        - Removed 3rd-party lib
        - We own this code for now