Renders the dashboard layout with stats bar, navigation, and content.

Attributes

• stats (:map) (required)
• current_tab (:atom) (required)
• prefix (:string) - Defaults to "/arcana".
• flash (:map) - Defaults to %{}.

Slots

• inner_block (required)

Filters a list of collection maps (anything with a :name key) down to the allowed set. :all passes everything through untouched.