Show event freshness and device coverage

infra/debug-dashboard/templates/device.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 {% block title %}{{ report[0] }} - OC Sentinel{% endblock %}
 {% block content %}
-<section class="panel"><div class="panel-heading"><h2>{{ report[0] }}</h2><span class="state {{ report[6] }}">{{ report[6] }}</span></div></section>
+<section class="panel"><div class="panel-heading"><h2>{{ report[0] }}</h2><span class="state {{ report[6] }}">{{ report[6] }}</span>{% if report[8] %}<span class="state {{ 'current' if event.is_current else 'historic' }}">{{ 'aktuell' if event.is_current else 'historisch' }}: {{ event.label }}</span>{% endif %}</div></section>
 <section class="metrics compact-metrics"><article><span>Ereignisse</span><strong>{{ report[8] }}</strong></article><article><span>Quell-IPs</span><strong>{{ report[9] }}</strong></article><article><span>CVEs</span><strong>{{ report[10] }}</strong></article><article><span>Kritische CVEs</span><strong class="critical">{{ report[11] }}</strong></article></section>
 <section class="panel"><pre>{{ payload_pretty }}</pre></section>
 {% endblock %}