Add marketing demo toggle and tolerate string flags

tests/Feature/Marketing/DemoPageTest.php

@@ -30,6 +30,30 @@ class DemoPageTest extends TestCase
         );
     }
 
+    public function test_demo_page_accepts_string_demo_flags(): void
+    {
+        $eventA = Event::factory()->create([
+            'settings' => ['marketing_demo' => 'true'],
+        ]);
+
+        $eventB = Event::factory()->create([
+            'settings' => ['demo' => 'true'],
+        ]);
+
+        $joinToken = $eventB->joinTokens()->latest('id')->first();
+
+        $this->assertNotNull($eventA);
+        $this->assertNotNull($joinToken);
+
+        $response = $this->get('/de/demo');
+
+        $response->assertOk();
+        $response->assertInertia(fn (Assert $page) => $page
+            ->component('marketing/Demo')
+            ->where('demoToken', $joinToken->token)
+        );
+    }
+
     public function test_demo_page_renders_without_marketing_demo_event(): void
     {
         $response = $this->get('/de/demo');