nicer package layout, also in checkout step 1, fixed missing registration language strings, registration error handling, email verification redirect, email verification error handling and messaging,

app/Http/Middleware/HandleInertiaRequests.php

@@ -69,6 +69,9 @@ class HandleInertiaRequests extends Middleware
                 'profile' => __('profile'),
                 'dashboard' => __('dashboard'),
             ],
+            'flash' => [
+                'verification' => fn () => $request->session()->get('verification'),
+            ],
         ];
     }
 }

app/Http/Middleware/NormalizeSignedUrlParameters.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+
+class NormalizeSignedUrlParameters
+{
+    public function handle(Request $request, Closure $next)
+    {
+        $queryString = $request->server->get('QUERY_STRING');
+
+        if (is_string($queryString) && str_contains($queryString, '&amp;')) {
+            $normalized = str_replace('&amp;', '&', $queryString);
+
+            if ($normalized !== $queryString) {
+                $request->server->set('QUERY_STRING', $normalized);
+                parse_str($normalized, $params);
+
+                if (is_array($params) && ! empty($params)) {
+                    $request->query->replace(array_merge($request->query->all(), $params));
+                }
+            }
+        }
+
+        return $next($request);
+    }
+}

app/Http/Middleware/ValidateSignature.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Routing\Exceptions\InvalidSignatureException;
+use Illuminate\Routing\Middleware\ValidateSignature as BaseValidateSignature;
+
+class ValidateSignature extends BaseValidateSignature
+{
+    public function handle($request, Closure $next, ...$args)
+    {
+        try {
+            return parent::handle($request, $next, ...$args);
+        } catch (InvalidSignatureException $exception) {
+            if ($request->expectsJson()) {
+                throw $exception;
+            }
+
+            if ($request->routeIs('verification.verify')) {
+                $request->session()->flash('verification', [
+                    'status' => 'error',
+                    'title' => __('auth.verification.expired_title'),
+                    'message' => __('auth.verification.expired_message'),
+                ]);
+
+                return redirect()->route('verification.notice');
+            }
+
+            throw $exception;
+        }
+    }
+}