There is not going to be a solution that will automatically work when the cam has so much overlap.
I'd suggest reducing ECM 12480 and increasing ECM 12470. You can find these by searching in the navigation bar.
I can't even make all setups drive OK with stock narrow bands. You got to remember a stock o2 sensor isn't meant to report back its 5% rich.. It just reports a rich/lean and how often its rich or lean drives the fuel trims up or down. For that reason there is no nuance between what the o2 sensor thinks is correct and what is correct.
If this was a standalone system with a wideband you could make the idle 15.3:1 and the cruise 14.4:1 and the wideband would chase that with fuel trims and that might make the car drive perfect... You can't do that with a OEM system.