{#- chirp-ui: Thread reader layout
    Reader shell for forum and social threads with optional local navigation,
    attention/moderation rail, and composer region. Posts and ranking remain
    app-owned content.
-#}

{% def thread_reader_layout(label="Thread", cls="") %}
<section class="chirpui-thread-reader-layout{{ " " ~ cls if cls else "" }}" aria-label="{{ label }}">
    <div class="chirpui-thread-reader-layout__header">{% yield header %}</div>
    <nav class="chirpui-thread-reader-layout__nav" aria-label="{{ label }} sections">
        <p class="chirpui-thread-reader-layout__nav-title">Sections</p>
        <div class="chirpui-thread-reader-layout__nav-list">{% yield local_nav %}</div>
    </nav>
    <main class="chirpui-thread-reader-layout__posts">
        {% yield posts %}
    </main>
    <aside class="chirpui-thread-reader-layout__attention-nav" aria-label="{{ label }} attention">
        {% yield attention_nav %}
    </aside>
    <div class="chirpui-thread-reader-layout__composer">{% yield composer %}</div>
</section>
{% end %}