atatkin

Slack treats private channels (Groups) differently from public channels (Channels) when getting usergroup details (https://api.slack.com/types/usergroup) storing them in two separate slices (prefs.channels and prefs.groups), but then treats them as a...

Looking at `IsActor`, it looks like it doesn't actually use the first `ctx` argument. If you want to simplify this and avoid passing a `context.Context` around, I think we could...