{# _bud_invite_panel.html — bud btn + slide-out for the gatekeeper #}
{# game-invite flow on room.html. Server returns {brief, #}
{# recipient_display} — no line_text (no Post to append a Line to). JS #}
{# just shows the Brief banner. Caller must pass `room` in context. #}
{% include "apps/billboard/_partials/_bud_apparatus.html" with aria_label="Invite a friend" include_suggestions=True %}