So that's 10 months from now is your ideal timeline.
You can't hold it back in the NVC since its a K-1. Maybe take your time showing some documents?
The wait for the embassy in the Philippines is only 2 months.
But one thing is once she gets the visa it allows up to 6 months later you entering the US. Ie its valid for 6 months after.
So really you're talking about an extra 2-3 months more. Might be able to stall at NVC and try get a later embassy appointment date and also waiting just before the visa expires to go. Should be able to pull it off! But others may be able to advise better than me.