There's plenty of crisps and chips out there which might not labeled as vegan, but are still nonetheless made without animal products.
To me, it's salted dry fruits and nuts all the way in the situation you described. I do some farming and salted peanuts and toasted salted cashews are my favourites. Although cashews are quite on the nose more expensive, so I sprinkle them amongst the peanuts.
Pair me that with some lemonade in a thermos and I'm good to keep going.
I used to snack sandwiches, but that just made me feel like going to lie down after munching on them.
But like I said, there are chips too.
They want everyone's private data to be accessible and actionable. It's not even about avoiding the hassle. It's about you not being able to avoid them.
Now, think about how much they could use this to crush dissidence and prevent assemblies of protests or worse, jail people because they criticise the government.
I got nothing to hide. By today's standards. If it changes, and criticising my country's government becomes a legal offense, then I would be a criminal. So would most people I know.
This is about control. Surveillance is always about control. It's disguised as a necessity through the paranoia that those in power help veiling over us.