{#
  Primary SEO Meta Include (templates/seo/_meta.html)

  Usage in any Jinja2 page template:
    {% block meta %}
      {% include "seo/_meta.html" with context %}
    {% endblock %}

  Expected Context Dictionary ('seo'):
    - seo.canonical_url (str): Absolute canonical URL.
    - seo.seo_title (str): Specific SEO title.
    - seo.seo_description (str): Page meta description text.
    - seo.site_logo_url (str): Absolute URL to site preview image.
    - seo.og_type (str): Open Graph page type (default: 'website').
    - seo.schema_type (str): Schema.org JSON-LD type (default: 'WebPage').
#}
{% if seo and seo.canonical_url %}
<link rel="canonical" href="{{ seo.canonical_url }}">
{% endif %}
{% include "seo/_open_graph.html" with context %}
{% include "seo/_json_ld.html" with context %}