Does the entirety of actions come into play? If Trump manages to incite a civil war in the U.S. does he still deserve a Nobel even if the Israel/Hamas conflict seems to have been ended, at least for a time? And how much did Trump really have to do with it? Does threatening complete obliteration (of Hamas) if peace isn't agreed to a worthy means to a noble (and Nobel) end?

Well, they gave it to Kissinger - and he wasn't exactly Mother Theresa, by any stretch.

I don't know that the Committee has any set rules on how they make their decisions, other than the general criteria of the award: to the person who "shall have done the most or the best work for fraternity between nations, for the abolition or reduction of standing armies and for the holding and promotion of peace congresses" during the preceding year.

I think any fair assessment would be that Trump had everything to do with this. This was a ceasefire that came about because of his bullying and threats to both Hamas and Netanyahu. He created the pressure (and the permission structure) for Netanyahu to take hostages being returned for an answer; he created the pressure and the incentives on the other countries in the region to tell Hamas that their time was up.