Report stalled agent lanes and bound health lock waits

src/routes/hosts/[id]/+page.svelte

@@ -9,7 +9,7 @@
     import { page } from '$app/stores';
     import { goto } from '$app/navigation';
     import type { Host, CapacityCalibration } from '$lib/hosts.js';
-    import { hostAgentUpdateLabel, hostAgentUpdateMessage, hostAgentUpdatesEnabled, hostDeletionMessage, hostReadinessLabel } from '$lib/hosts.js';
+    import { hostAgentLaneLabel, hostAgentLaneState, hostAgentUpdateLabel, hostAgentUpdateMessage, hostAgentUpdatesEnabled, hostDeletionMessage, hostReadinessLabel } from '$lib/hosts.js';
     import SectionHeader from '$ui/components/primitives/SectionHeader.svelte';
     import Button from '$ui/components/primitives/Button.svelte';
     import DeleteHostDialog from '$ui/components/DeleteHostDialog.svelte';
@@ -85,6 +85,11 @@
         <div class="host-panel" id="host-panel" role="tabpanel" aria-labelledby={`host-tabs-${tab}`}>
         {#if tab === 'overview'}
             <div class="overview-actions"><Button onclick={() => changeTab('servers')}>View {instances.length} servers</Button></div>
+        <section class="panel"><h2>Agent workers</h2>
+            {#if host.inventory.agentLanes?.length}<dl>{#each host.inventory.agentLanes as lane (lane.name)}
+                <dt>{hostAgentLaneLabel(lane.name)}</dt><dd>{hostAgentLaneState(lane)}{#if !host.connected} (last reported){/if}<br />Last successful poll: {lane.lastPollAt ? new Date(lane.lastPollAt).toLocaleString() : 'Not yet reported'}</dd>
+            {/each}</dl>{:else}<p>This agent has not reported worker status yet.</p>{/if}
+        </section>
         <section class="panel"><h2>Inventory</h2><dl>
             <dt>Hostname</dt><dd>{host.hostname || 'Pending'}</dd><dt>Agent</dt><dd>{host.inventory.agentVersion ?? 'Unknown'}</dd><dt>Platform</dt><dd>{host.inventory.os ?? 'Unknown'} · {host.inventory.architecture ?? 'Unknown'}</dd><dt>CPU</dt><dd>{host.inventory.cpu ?? 'Unknown'} ({host.inventory.cpuCount ?? '?'} cores)</dd><dt>CPU usage</dt><dd title="Average across all cores since the previous inventory sample">{host.inventory.cpuUsagePercent === undefined ? 'Not reported' : `${host.inventory.cpuUsagePercent.toFixed(1)}%`}{#if !host.connected && host.inventory.cpuUsagePercent !== undefined} (last reported){/if}</dd><dt>Memory available / total</dt><dd>{bytes(host.inventory.memoryAvailable)} / {bytes(host.inventory.memoryTotal)}</dd><dt>Game storage available / total</dt><dd>{bytes(host.inventory.storageAvailable)} / {bytes(host.inventory.storageTotal)}</dd><dt>Docker</dt><dd>{host.inventory.dockerVersion ?? 'Unknown'} · {host.inventory.dockerRunning ? 'Running' : 'Unavailable'}</dd><dt>Current operation</dt><dd>{host.inventory.currentOperation ?? 'None reported'}</dd>
         </dl></section>        {#if calibration}<section class="panel"><h2>Learned server capacity</h2>