feat: chat en tiempo real bidireccional funcionando con Reverb

app/Models/Friendship.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Friendship extends Model
+{
+    protected $fillable = [
+        'sender_id',
+        'receiver_id',
+        'status',
+    ];
+
+    public function sender()
+    {
+        return $this->belongsTo(User::class, 'sender_id');
+    }
+
+    public function receiver()
+    {
+        return $this->belongsTo(User::class, 'receiver_id');
+    }
+}