Get CPL revalidated, they used to take into account your previous experience for flight grading, now you just need to pass. So a few hours will help with that. Get a few years at CX RHS then decide if you want to work for a proper airline and join seniority and get command there, or stay in HKG.
Plan on living on base pay, which is all you get most of the time, and you'll do just fine. You get paid when you work, so no work means no pay. Sort of like a door to door guy selling toilet cleaning products.