You mean UTF-32 if you want fixed width - 16 is still VLE because of surrogate pairs

*replaces your halting problem with a misbehaving DWC2 USB controller*

These things happen, the important part is you taking care of yourself

we would estimate if you did this though you're only looking at about $20 + shipping to prove it out of you insisted on this, and that's entirely doable and in budget

performance will measure a little low on the test board) and hook it up to a dummy load and measure - however we would strongly advise this is overkill to an absurd degree and just trust the filter sim instead 2/2

the usual way this is done though is much more practical: copy the supply designs to a new PCB and design and lay out a small cheap board to characterise the supplies on (can be 2 or 4 layer, just keep in mind performance will be *better* on the final higher layer count board, so noise 1/2