Accountability of a human decision maker is the way to go. Agreed.
I see the danger when the accountant’s job asks for high throughput which enforces fast decision making and the tool (llm) offers fast and easy decisions. What is the accountant going to do, if (s)he just sees cases instead of people and fates?
Any displayport source can (per DP standard) deliver HDMI, you just need a dp->hdmi adapter or cable. An explanatory article from 2008 translated via google.
The other way around is harder to achieve but works, too (needs an active adapter to convert the signal).