{#- chirp-ui: Follow-up / suggestion chips
    Suggestion chips for chat empty-states and post-stream follow-ups.
    mode='prefill' fills the composer (focus, no send); mode='send' submits.
    Dedupe by stable key so an OOB refresh never double-renders a suggestion.
-#}

{% from "chirpui/chip_group.html" import chip_group %}

{% def suggestion_chips(suggestions, mode="prefill", target=".chirpui-composer",
                        label="Suggestions", id="follow-ups", cls="") %}
{% set _mode = mode | validate_variant(("prefill", "send"), "prefill") %}
{% set _seen = [] %}
<div class="chirpui-follow-ups{{ " " ~ cls if cls else "" }}" id="{{ id }}">
  {% call chip_group(label=label) %}
    {% for item in suggestions %}
      {% set _key = item.get("key") or item.get("prompt") or "" %}
      {% if _key and _key not in _seen %}
        {% set _ = _seen.append(_key) %}
        <button type="button"
                class="chirpui-chip chirpui-chip--suggestion"
                data-prompt="{{ item.get('prompt') | default('') | e }}"
                @click="$dispatch('chirpui:suggestion', {prompt: $el.dataset.prompt, mode: '{{ _mode }}'})">
          {{ item.get("label") or item.get("prompt") | default("") }}
        </button>
      {% end %}
    {% endfor %}
  {% end %}
</div>
{% end %}