{# Standalone-report HTML shell.
Used by templates that produce a full HTML document (vs. fragments).
Owns common content: title, design tokens (via _design_system.html),
and the Chart.js palette / typography bootstrap.
Standalone templates should:
{% if render_mode != 'fragment' %}
{% include "_standalone_shell.html" %}
{% endif %}
...content...
{% if render_mode != 'fragment' %}
{% endif %}
This shell does NOT load the Chart.js (or ECharts) library — the
recipe template is responsible for the pinned
{% endif %}