Wouldn't be smart that instead of trying to come up with endless rules for all those sites on the internet, just copy the OTP value to the clipboard and that you can paste it in the otp field yourself...
Because the nature of how works OTP this isn't perse a security risk.
Because you already have notifications enabled by 0.8.5 you can even pop a message :-).
Maybe it should be a setting, open for discussion on that.
1Password Version: Not Provided
Extension Version: 0.8.5
OS Version: Not Provided
Sync Type: Not Provided