Dashboard cards, backup last-seen

frontend/src/views/Dashboard.vue

@@ -7,6 +7,12 @@
     <div v-if="loading" class="loading">Loading...</div>
 
     <template v-else>
+      <!-- What needs a person, before the totals that are true every day.
+           Cards are declared by plugins (get_dashboard_widgets) and rendered
+           generically; an empty or failed card hides itself. See
+           docs/proposals/dashboard-live-fleet.md. -->
+      <DashboardCards />
+
       <!-- Main Stats -->
       <div class="dashboard-grid">
         <div class="stat-card">
@@ -92,6 +98,7 @@
 </template>
 
 <script setup>
+import DashboardCards from '@/components/DashboardCards.vue'
 import { ref, onMounted } from 'vue'
 import { dashboardApi, assetsApi, printersApi } from '../api'