I am trying to use external auth for non link events such as mentions, app mentions etc.
I saw example here:
https://api.slack.com/tutorials/tracks/oauth-tutorial

But this is using some form of hack method when instead of using external auth, they / you are creating link and then executing another workflow after. Which seem like massive pain.

I could probably handle whole oauth flow, but client.apps.auth.external.get does not expose refresh token, so manual refresh is not doable. I guess I can make custom webhook to capture whole oauth flow.

But before I do, that Id like to know, if there is really no way for me just running reaction events with oauth in place, with automatic token refresh mechanism, without constant recreation of links back/forth.