Good question, I’ll have to address it on the side panel.

In the future state of Lemmy when they implement a flair system I think it’ll be appropriate to flair items as “tour spoilers”.

For now, I think using the spoiler text setting would suffice. For me it’s the little triangle with the exclamation point, looks like /!.

In markdown you can use it like:

::: spoiler spoiler
___
:::