Improvements to finding idle nodes, last_session actually only shows the last time the remote polled us

resources/views/echoarea/addedit.blade.php

@@ -1,3 +1,5 @@
+@use(App\Models\Domain)
+
 @extends('layouts.app')
 
 @section('htmlheader_title')
@@ -20,7 +22,7 @@
 								<span class="input-group-text"><i class="bi bi-tag-fill"></i></span>
 								<select class="form-select @error('domain_id') is-invalid @enderror" id="domain" name="domain_id" required @cannot('admin',$o)disabled @endcannot>
 									<option value="">&nbsp;</option>
-									@foreach (\App\Models\Domain::active()->orderBy('name')->cursor() as $oo)
+									@foreach (Domain::active()->orderBy('name')->cursor() as $oo)
 										<option value="{{ $oo->id }}" @if(old('domain_id',$o->domain_id)==$oo->id)selected @endif>{{ $oo->name }}</option>
 									@endforeach
 								</select>
@@ -180,7 +182,7 @@
 								<tr>
 									<td><a href="{{ url('system/addedit',[$ao->system_id]) }}">{{ $ao->system->full_name($ao) }}</a> @auth<span class="float-end"><small>@if($ao->is_hosted)<sup>{{ $ao->is_default ? '**' : '*' }}</sup>@elseif($ao->system->setup)<sup class="success">+</sup>@endif[{{ $ao->system_id }}]</small></span>@endauth</td>
 									<td>{{ $ao->ftn_3d }}</td>
-									<td>{{ $ao->system->last_session ? $ao->system->last_session->format('Y-m-d H:i') : '-' }}</td>
+									<td>{{ $ao->system->last_seen?->format('Y-m-d H:i') ?: '-' }}</td>
 									<td>{{ ($x=$o->waiting($ao))->count() ? $x->first()->datetime->format('Y-m-d H:i') : '-' }}</td>
 									<td class="text-end">{{ number_format($x->count()) }}</td>
 								</tr>