Can an Arcane Archer’s choose to activate arcane shot after it gets deflected?

Inspired by Can I use deflect missile if I get an ally to shoot me? and Can a monk catch and throw an Arcane Archer's active Arcane Shot back at them with Deflect Missiles?, can a (friendly) Arcane Archer choose not to activate their Arcane Shot when it hits their ally, but then activate it when it hits the new target?

Once per turn when you fire an arrow from a shortbow or longbow as part of the Attack action, you can apply one of your Arcane Shot options to that arrow. You decide to use the option when the arrow hits a creature, unless the option doesn’t involve an attack roll.

Emphasis mine.

So in this scenario, the Monica the Monk runs on ahead, in a position where she can see Edwin the enemy mage. Archie the Archer does not have line of sight to the enemy caster. He fires his arrow at Monica the Monk, who uses her reaction to deflect it successfully.

If you catch a missile in this way, you can spend 1 ki point to make a ranged attack with the weapon or piece of ammunition you just caught, as part of the same reaction.

Let’s say the arrow (thrown as an attack by Monica the monk) now hits Edwin the enemy mage, can Archie the Arcane Archer then activate the Arcane Shot to try and affect Edwin the enemy mage with it?

Is a missile deflected by a Monk/Rogue’s Deflect Missiles eligible for Sneak Attack?

Is the ranged attack resulting from a monk/rogue’s Deflect Missiles eligible to add sneak attack damage? For example, if the creature who made the initial ranged attack is engaged in melee as per the rules of Sneak Attack, or if the Monk/Rogue were to somehow have advantage on the roll, for example by way of a spent inspiration point.

I haven’t come across anything that seems to openly rule it out, but the idea of throwing somebody’s crossbow bolt back at them and doing 1d8 +3d6 damage (at Monk 14/ Rogue 6) seems a little broken to me.

Compass needle deflected when near off smartphone

It puzzles me that a compass needle is deflected when I bring it near (~ 2 cm above the screen) my turned off Android smartphone, which can only mean there is still a electric current inside it. Surprisingly, the deflection is the same with the phone turned on. What may be the reason behind it?

I could yet not verify whether the same happens with other mobile phones.