#561385
As I read "actions - required", mandatory actions do not need to be taken immediately -- for instance, moving your ship with Cytherians already on it does not have to be the first action you take in your turn, and you don't have to attempt Samaritan Snare immediately -- even though most people play it that way, the Glossary is pretty clear on this. (Relevant text: "You may not end your execute orders step until all your ships and personnel have completed all actions they are required and able to complete.")
When encountered, Cytherians will end the current attempt because the ship "must do nothing but" move, and attempting a mission is something other than moving. So the attempt ends right away, but you don't have to move it immediately, just sometime before the end of your execute orders step. What's happening rules-wise is that the fourth paragraph of "actions - required" essentially says text like "must do nothing but move" also implies the text "attempt ends" which appears explicitly on some other dilemmas.
Paxan is less clear to me. The "actions - required" entry is mainly written about mandatory actions affecting you on your turn (must move, must attempt, etc.), but Paxan is an action affecting your opponent. I see a few ways to spin this -- I don't have a strong opinion (yet), but here are some possibilities:
-It falls under "actions - required"... but by the letter of this section all that means is that you have to do it before the end of your execute orders step (which may be a while if it isn't your turn yet!) This sounds odd, and furthermore it doesn't follow the usual wording of required actions ("must" or "must do nothing but"), so perhaps this is not the right reading.
-There is an implied "may," so it is a voluntary action and you have to wait until your turn. I find this unlikely.
-It is a continuous effect, like attribute modifiers or special skills that unconditionally nullify things like Goran'Agar (see "use (skills)", second paragraph), because there is no "may" text. In this case, Paxan's text automatically applies at any time -- just like how your Goran'Agar will nullify the Hippocratic Oath I'm encountering if he's on the same planet, even though it's not your turn -- outside of the normal action timing. In this case the relocation is immediate, as soon as there is no android on your ship, the text applies and I can move it. The odd thing here is that I'm using Glossary text about using skills on personnel and applying it to mission gametext.
The third option feels most right to me, but I'm not super confident. Maybe there are other possibilities.