over naar uuids, policies, predefined mutations aan kunnen passen

app/Models/Mutation.php

@@ -50,6 +50,10 @@ class Mutation extends Model
 
     protected static function booted(): void
     {
+        static::creating(function ($model) {
+            $model->uuid = (string) \Illuminate\Support\Str::uuid();
+        });
+
         static::created(function (Mutation $mutation) {
             $mutation->chat()->create([]);
 
@@ -87,4 +91,9 @@ class Mutation extends Model
             broadcast(new \App\Events\MessageSent($dynamicMsg));
         });
     }
+
+    public function getRouteKeyName()
+    {
+        return 'uuid';
+    }
 }