feat(social): show friend presence and require online listening

services/api/internal/social/handler.go

@@ -44,6 +44,9 @@ func (h *Handler) GetSocial(ctx context.Context, _ gen.GetSocialRequestObject) (
 	if e != nil {
 		return nil, e
 	}
+	if e = h.store.markPresent(ctx, id); e != nil {
+		return nil, e
+	}
 	v, e := h.store.inbox(ctx, id)
 	return gen.GetSocial200JSONResponse(v), e
 }