step 1, 2 and 3 of the implementation plan

bootstrap/app.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 use Illuminate\Foundation\Application;
 use Illuminate\Foundation\Configuration\Exceptions;
 use Illuminate\Foundation\Configuration\Middleware;
@@ -11,7 +13,9 @@
         health: '/up',
     )
     ->withMiddleware(function (Middleware $middleware): void {
-        //
+        $middleware->web(append: [
+            \App\Http\Middleware\HandleInertiaRequests::class,
+        ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
         //