Complete dashboard loose ends and reconcile blocked pilot work

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0e394-2a69-7df0-8980-22a0ebe55216

vergabe_teilnahme/templates/ausschreibungen/dashboard.html

@@ -98,5 +98,19 @@
     {% endif %}
   </div>
 
+  <div class="card">
+    <div class="flex items-center justify-between mb-3">
+      <h2 class="text-sm font-semibold text-slate-700">Ablaufende Nachweise (60 Tage)</h2>
+      <span class="text-sm">{{ ablaufende_nachweise|length }}</span>
+    </div>
+    {% for n in ablaufende_nachweise %}
+    <div class="flex items-center justify-between py-1 text-sm">
+      <a href="{% url 'bibliothek:nachweis_detail' pk=n.pk %}" class="text-brand-700 hover:underline">{{ n.titel }}</a>
+      <span class="{% if n.gueltig_bis < today %}text-red-600{% else %}text-amber-600{% endif %}">{{ n.gueltig_bis|date:"d.m.Y" }}</span>
+    </div>
+    {% empty %}
+    <p class="text-slate-400 text-sm">Keine ablaufenden Nachweise.</p>
+    {% endfor %}
+  </div>
 </div>
 {% endblock %}