A .firgit file tells your agents what to forget. Always remember to forget.
Each directory holds one .firgit, named as it would be in a real repo.
basic/ — a typical project: a legacy directory, a
rename, fake fixtures, a few path patterns.timed/ — a repo mid-migration, where several things
are true for a few weeks and then never again. This is the one with
the dates.private/ — a private repo. Just the owner and the
agents in here. Mostly notes. Some of them catty.