@engineer said:

Therefore, what I'm wondering about is a strategy to ease the switch from FAO to glucose oxidation.

Hi, your analyze if fine but it won't do the job whenever you stress. I can develop if needed (adrenalin => cortisol => no glycolysis allowed).
Of, course your body must be accustomed to lipolysis and ketosis. It takes time (progressively improved). If you don't manage this staple very well, your brain is going to slow carburation down.
When going out of a real fast (3-4 days), the return must be very progressive with carbs.
It seems you've got problems too to manage insulin spike, if I decode well. It won't function well if ....