This is a mod that prevent any mechanic that forcing a game to end.(like planet-killer or some random mods)
If the attempt failed(or turn off this attempt in setting) ,an autosave should occur right away.(save name: "RecoveredSave_NoRandomGameEnding")
You can keep playing on that save theoricallly.
You can export a log to see if any mod have potential game ending mechanics in mod setting after click the button
(It should be rare though)
Can add/remove at any time.
2025/9/6 Update:
Now give a letter (and warning log) after successfully stopped a force ending.It also contains some infos about which mod trigger this.