I've been playing with custom policies for a while now and I have still have not figured out how to keep the user signed in. I have read this documentation through and through, and everytime I get to the authentication page, I have to set back my password (https://docs.microsoft.com/en-us/azure/active-directory-b2c/session-behavior?pivots=b2c-custom-policy).
I did set the UserJourneyBehavior
I am not using oidc prompt parameter.
My application is using open id to authenticate to B2C.
My interpretation is that when B2C sees that I have the authentication cookie, it should not prompt me for my password.