feat: execution failure reports, auto-printer for WMT, UTC timezone fix for all timestamps

templates/wmt/devices.html

@@ -36,10 +36,10 @@
             <td>{{ d.hostname or '—' }}</td>
             <td>{{ d.device_ip or '—' }}</td>
             <td class="text-muted small">
-              {{ d.last_seen.strftime('%Y-%m-%d %H:%M') if d.last_seen else 'Never' }}
+              {{ d.last_seen | local_dt if d.last_seen else 'Never' }}
             </td>
             <td class="text-muted small">
-              {{ d.config_updated_at.strftime('%Y-%m-%d %H:%M') if d.config_updated_at else '—' }}
+              {{ d.config_updated_at | local_dt if d.config_updated_at else '—' }}
             </td>
             <td class="text-end">
               <a href="{{ url_for('wmt_web.device_edit', device_id=d.id) }}"