{% extends "base.html" %}
{% import "_cards.html" as cards with context %}
{% block title %}Health — Cairn Dashboard{% endblock %}
{% block content %}
<section class="panel">
  <h1>Health</h1>
  <p class="muted">
    Probes the same graph-layer helpers as <code>cairn doctor</code> on:
    <code>{{ db_path }}</code>
  </p>
  <div class="card-grid">
    {% call cards.card('Database') %}
    <p class="card-value">{{ health.db_size_bytes | filesize }}</p>
    {% endcall %}
    {% call cards.card('Retention') %}
      {% if health.tool_metrics_rows is none %}
      <p class="card-value">unknown</p>
      <p class="muted">no tool_metrics table</p>
      {% else %}
      <p class="card-value">{{ health.tool_metrics_rows }} rows</p>
      {% if health.tool_metrics_rows > health.tool_metrics_max_rows %}
      <span class="badge badge-warn">over cap</span>
      {% endif %}
      {% endif %}
      <p class="muted">
        tool_metrics cap {{ health.tool_metrics_max_rows }} rows ·
        events ≤ {{ health.events_max_rows }} ·
        build_runs ≤ {{ health.build_runs_max_rows }}
      </p>
      {% if health.tool_metrics_max_age_seconds is none %}
      <p class="muted">no age bound</p>
      {% else %}
      <p class="muted">age bound {{ health.tool_metrics_max_age_seconds }}s</p>
      {% endif %}
    {% endcall %}
    {% call cards.card('Index freshness') %}
      {% if health.last_build_age %}
      <p class="card-value">{{ health.last_build_age }}</p>
      <p class="muted">last build {{ health.last_build_at | isots }}</p>
      {% else %}
      <p class="card-value">never</p>
      <p class="muted">no build_runs recorded</p>
      {% endif %}
    {% endcall %}
    {% call cards.card('Embedding backend') %}
    <p class="card-value">{{ health.embed_backend }}</p>
      {% if health.hash_fallback %}
      <span class="badge badge-warn">hash fallback</span>
      {% else %}
      <span class="badge badge-ok">model backend</span>
      {% endif %}
    {% endcall %}
    {% call cards.card('Vector index') %}
    <p class="card-value">{{ health.ann_configured }}{% if not health.ann_backend_enabled %} (unavailable){% endif %}</p>
    <p class="muted">{{ health.ann_embedding_rows }} embeddings · model {{ health.ann_model }}</p>
      {% if health.ann_index_exists is none %}
      <p class="muted">no embeddings to index yet</p>
      {% elif health.ann_index_exists %}
      {#- index_row_count is defensive: a read failure (e.g. the vector
          extension not loadable) returns None — report that honestly
          instead of the literal "None rows". -#}
      {% if health.ann_index_rows is none %}
      <p class="muted">vec0 index present — row count unavailable</p>
      {% else %}
      <p class="muted">vec0 index: {{ health.ann_index_rows }} rows</p>
      {% endif %}
      {% else %}
      <p class="muted">no vec0 index built</p>
      {% endif %}
    {% endcall %}
    {% call cards.card('Reranker') %}
      {% if health.reranker_available %}
      <p class="card-value"><span class="badge badge-ok">available</span></p>
      {% else %}
      <p class="card-value"><span class="badge badge-warn">unavailable</span></p>
      {% endif %}
    {% endcall %}
  </div>
</section>
{% endblock %}