Keycloak SSO and logout

Hello!
@david help me please, great man! ))))

I have successfully configured the Discourse + Keycloak SSO + SAML plugin + Openid Connect plugin bundle. There is only one thing that overshadows this beauty - it is logout.

I do a logout from the forum, the user is deauthorized, this part works fine.
Then I look at the open sessions on Keycloak - the session of the user who left the forum is not deleted.
I suspect this is due to the logout url settings. I just don’t know where - in Discourse or Keycloak.

My SAML settings on Keycloak:

My Openid Connect settings on Keycloak: