Same. Luckily (recently?) iOS added support to using Chrome’s keychain to fill in passwords. It seems you still have to open the chrome app from time to time to sync passwords, however.
Also, iOS 17 adds using your third-party password manager for using (signing challenges with) passkeys.
The only issue I can find is that you can't select two or more third-party password/passkey filling apps, unless one is "iCloud Passwords & Keychain". So if your setup is 1Password for passwords and iOS for most of your Passkeys, you can do that, but hopefully you use the same third-party passkey and password implementation.
