增加 清理心跳超时节点命令

app/Console/Commands/Cluster/CleanOffline.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Console\Commands\Cluster;
+
+use App\Support\ClusterSupport;
+use Illuminate\Console\Command;
+use Symfony\Component\Console\Command\Command as CommandAlias;
+
+class CleanOffline extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'cluster:clean-offline';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = '清理心跳超过 30 秒的节点。';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle(): int
+    {
+        $nodes = ClusterSupport::nodes();
+
+        foreach ($nodes as $node) {
+            $now = time();
+            if ($now - $node['last_heartbeat'] > 30) {
+                $this->info("节点 {$node['id']} 已离线，将被清理。");
+                ClusterSupport::removeNode($node['id']);
+            }
+        }
+
+        return CommandAlias::SUCCESS;
+    }
+}