Report from the front:
CPS is in.
TPMS is in-no scratches on the rim.
Excessive water was just that-water (condensation). Tech saw the same thing and used a litmus-type paper tester to check for coolant and it came back negative! Thank the Great Gazoo. After a pressure bleed down test overnight.
However, I'm waiting at my lab for an experiment to be completed to rush home and wash her. He assumed (correctly) that I would prefer to do it myself.
Good man.
They DID however, vacuum it out!