So let's assume it goes forward, what are my options to maintain privacy?
any serious answer to that question would need more context, and will have to wait until after the bill passes to see how companies/services react.
Don’t use Canadian or 14 eyes products. Keep your cell on an airplane mode most or all times. Use cash as much as possible. That however is a technical response to a political one, which usually won’t last long or it will be ineffective or even illegal, a proper political response is the right way.
https://bitchat.free/ is one, if you can convince any of your friends to use it.
GrapheneOS for phone
Signal for messaging
Ente Photos
NotesNook for notes
A good VPN: https://www.privacyguides.org/en/vpn/
If you need other replacements lmk.