orderBy("created_at", "desc")->get(); } public function findById(int $id): ?Permission { return Permission::find($id); } public function findByScope(string $scope): ?Permission { return Permission::where("scope", $scope)->first(); } public function create(array $data): Permission { return Permission::create($data); } public function update(int $id, array $data): ?Permission { $model = $this->findById($id); if (!$model) { return null; } $model->update($data); return $model->fresh(); } public function delete(int $id): bool { $model = $this->findById($id); if (!$model) { return false; } return $model->delete(); } // Add custom business logic methods here }