Citation re-extraction is too aggressive

We currently (optionally) automatically re-extract citations on newer documents when an older document is added. Right now, with lots of historical imports, this lands up being too aggressive. It queues up a large number of background tasks (particularly in a large LII like TZ), which block other tasks.

We need to re-think this, particularly for larger LIIs. Some ideas:

only do re-extraction every 1/2/3 weeks
give re-extraction background tasks a lower priority, so they don't starve other tasks
only do it for judgments, and limit re-extraction to judgments

Without this functionality, when an older document is added, we won't automatically extract citations to that document in newer documents. This is particularly a problem for judgments that don't use a formal MNC (ie. use a third party citation, or a party-based citation).

laws-africa / peachjam

Citation re-extraction is too aggressive #1593