<%#
App shell: sidebar (brand + nav slot + footer) · topbar · content slot.
Slots are pre-rendered HTML locals — `nav` (sidebar tree, see nav-tree partial),
`actions` (topbar buttons), `body` (page content). Text locals: `title`, `brand`,
`user`, `breadcrumbs`. Real `user`/branding arrive with §4 auth / §2 menu config.
%><%
const title = locals.title || "Plainpages";
const brand = locals.brand || { name: "Plainpages" };
const user = locals.user || { name: "Guest", initials: "G", email: "" };
const breadcrumbs = locals.breadcrumbs || [];
const nav = locals.nav || "";
const actions = locals.actions || "";
const body = locals.body || "";
%>
<%= title %>
<%- include("icons") %>
<% if (breadcrumbs.length) { %>
<% } %>
<%- actions %>
<%- body %>