feat: chat en tiempo real bidireccional funcionando con Reverb

routes/channels.php

@@ -1,17 +1,11 @@
 <?php
+
 use Illuminate\Support\Facades\Broadcast;
-use App\Models\Conversation;
 
 Broadcast::channel('App.Models.User.{id}', function ($user, $id) {
     return (int) $user->id === (int) $id;
 });
 
-Broadcast::channel('chat.{conversationId}', function ($user, $conversationId) {
-
-    return Conversation::where('id', $conversationId)
-        ->whereHas('users', function ($q) use ($user) {
-            $q->where('user_id', $user->id);
-        })
-        ->exists();
-
+Broadcast::channel('chat.{receiverId}', function ($user, $receiverId) {
+    return (int) $user->id === (int) $receiverId;
 });