{% extends "base.html" %}

{#
Adds the SEO/discoverability metadata that the `social` plugin does NOT emit.
The social plugin already injects og:* and twitter:* tags + the card image, so
here we only add: keyword hints, the Google Search Console verification tag, and
schema.org structured data (WebSite + SearchAction → Google sitelinks search box).
`extrahead` is the empty block Material reserves for user additions, so this is
purely additive and does not collide with the theme's own head tags.
#}
{% block extrahead %}
<meta name="keywords"
  content="RAG, Retrieval-Augmented Generation, production RAG, RAG in production, vector database, embeddings, reranking, retrieval, LLM, large language models, semantic search, RAG evaluation, RAG observability, RAGOps, LangChain, LlamaIndex, awesome list, MLOps">

<!-- Google Search Console verification. Replace the token below with the value
       from Search Console → "HTML tag" verification, then redeploy and click Verify. -->
<meta name="google-site-verification" content="W9V_HNV7Tk7qsjhzOyziGFz7q80kqs4q89sKdJuF5ew" />

<!-- Structured data: WebSite + SearchAction (enables Google's sitelinks search box). -->
<script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "WebSite",
    "name": {{ config.site_name | tojson }},
    "url": {{ config.site_url | tojson }},
    "description": {{ config.site_description | tojson }},
    "inLanguage": "en",
    "author": {
      "@type": "Person",
      "name": {{ config.site_author | tojson }}
    },
    "potentialAction": {
      "@type": "SearchAction",
      "target": {{ (config.site_url ~ "?q={search_term_string}") | tojson }},
      "query-input": "required name=search_term_string"
    }
  }
  </script>
{% endblock %}