Initial commit

app/Events/UserPresenceUpdated.php

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+<?php
+
+// 5. Event Broadcasting for Real-time Updates
+namespace App\Events;
+
+use Illuminate\Broadcasting\Channel;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Broadcasting\PresenceChannel;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class UserPresenceUpdated implements ShouldBroadcast
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    public $user;
+    public $guard;
+    public $status; // 'online' or 'offline'
+
+    public function __construct($user, $guard, $status = 'online')
+    {
+        $this->user = $user;
+        $this->guard = $guard;
+        $this->status = $status;
+    }
+
+    public function broadcastOn()
+    {
+        return new PresenceChannel("presence-{$this->guard}-users");
+    }
+
+    public function broadcastWith()
+    {
+        return [
+            'user' => [
+                'id' => $this->user->id,
+                'name' => $this->user->name,
+                'avatar' => $this->user->avatar ?? null,
+            ],
+            'guard' => $this->guard,
+            'status' => $this->status,
+            'timestamp' => now(),
+        ];
+    }
+}