I understand your concern. Support for third party wallets are incoming for Eth with wallets like Frame.sh and Zerion. For Electrum, it will take some more time since we have to port our SDK from JS to Python and support PSBT with HWI. Message signing is also only available for Eth right now.
Let us know when you implement some important changes.
Instead of making Cypherock compatible with Electrum, maybe it's going to be easier and faster to do it with other open source wallets like Sparrow and Specter.
This two wallets are already supporting most hardware wallets and signing devices available in the market, and they are open for cooperation with others:
https://sparrowwallet.com/https://specter.solutions/desktop/