well, if you actually use those rules, Spell resistance is fully useless, as the entire point of having the forego your saving throw rules originally was so that getting spell resistance wasnt slightly less effective then deciding to target yourself with a Headman's chop.
Standard of obtaining Outsider type is getting Extraplanar as a subtype. because the monk capstone does not specify any subtypes (which is a huge problem), the game's auto assumptions apply. Planetouched are the exception, not the rule.
RAI, the monk capstone changes you to being Outsider, and grants you the subtypes (Lawful, Native). It doesnt say anything beyond becoming an outsider