Ahh thanks to those who chimed in. I guess I'll have to wait and see or better yet KA can release a 2nd F seat on the PEK flight and I can switch us to F for the PEK flight for free now that US and AA have merged their mileage programs and make this a none issue.
Worst case is we're forced to check out other lounges at HKG (I've only been in The Wing so probably a good thing but the gf is a fan of the champagne bar so don't want to disappoint)