Researchers from IMDEA Networks, in collaboration with Universidad Carlos III de Madrid, IMDEA Software Institute, and the University of Calgary, have conducted the first large-scale study — “Your Signal, Their Data: An Empirical Privacy Analysis of Wireless-scanning SDKs in Android” — on how certain Android mobile applications use a device’s WiFi and Bluetooth connections to...
sounds like you are looking for rethink
https://github.com/celzero/rethink-app
Would it be overkill to use that with my graphenOS phone, where I don’t do much browsing etc.?
i dont think so, it mostly stays out of the way once its set up anyway