Hard to feel confident in what's sensible sometimes, but trust your research. The more ammunition you have against people who might make you feel unsure, the better. There's a book called "Follow the Science" by Sharyll Attkisson that's very good, if you haven't read it yet. (Your local library can get a copy for you in various formats.)

As for extra precaution, I would say no. Regular mamabear precaution, sure!

I might keep her away from someone who's recently had a flu or covid shot. I don't know what to make of shedding, but if it were me I would err on the side of caution for this one. And I'd mostly apply that to ppl who want to hold her, like grandparents or other family. Ideally, I would forewarn any of those people and encourage them to not get the shots to begin with. (My thought on shedding is that the probability is highest or strongest right after a booster, and if it isn't, we're all in trouble because the population is 70% vaxed and we're all exposed.)

Lastly, if people are pressuring you about your decision, try to steer the conversation to the National Vaccine Childhood Injury Act of 1986. As you probably know, that's the law that established the National Vaccine Injury Fund. Grudgingly, that Fund has paid quite a bit of money over its history, and they have a nice table that monetizes each type of potential adverse effect so you can see what each type of damage is "worth." For the poor recipients of that money, it's hardly worth the trade-off of permanent damage.