Ask HN: How can prompt engineering reshape pm methodologies, Agile?

It can provide more documentation and a ready-to-adapt process.

Based on your to do ("backlog") tasks, have it point out which tasks need beter task descriptions. That would be an agenda for a planning meeting. Or have it turn yesterday's Slack traffic into an agenda for a daily status meeting if you do those. "Ceremonies" without prepared agendas are a huge time sink.