incr/routes/auth.php

<?php

use App\Http\Controllers\Auth\RegisteredUserController;
use Illuminate\Support\Facades\Route;

// First-run setup only — gated by User::exists() in the controller
Route::get('register', [RegisteredUserController::class, 'create'])->name('register');
Route::post('register', [RegisteredUserController::class, 'store']);