Addon-Kauf im Event admin korrigiert.

tests/Feature/Tenant/EventAddonWebhookTest.php

@@ -80,4 +80,73 @@ class EventAddonWebhookTest extends TenantTestCase
 
         Notification::assertSentTimes(AddonPurchaseReceipt::class, 1);
     }
+
+    public function test_webhook_uses_stored_increments_over_catalog(): void
+    {
+        Notification::fake();
+
+        Config::set('package-addons.extra_guests', [
+            'label' => 'Guests 50',
+            'increments' => ['extra_guests' => 50],
+            'price_id' => 'pri_guests',
+        ]);
+
+        $package = Package::factory()->endcustomer()->create([
+            'max_guests' => 50,
+        ]);
+
+        $event = Event::factory()->for($this->tenant)->create([
+            'status' => 'published',
+        ]);
+
+        $eventPackage = EventPackage::create([
+            'event_id' => $event->id,
+            'package_id' => $package->id,
+            'purchased_price' => $package->price,
+            'purchased_at' => now(),
+            'used_photos' => 0,
+            'used_guests' => 0,
+            'gallery_expires_at' => now()->addDays(7),
+        ]);
+
+        $addon = EventPackageAddon::create([
+            'event_package_id' => $eventPackage->id,
+            'event_id' => $event->id,
+            'tenant_id' => $this->tenant->id,
+            'addon_key' => 'extra_guests',
+            'quantity' => 2,
+            'extra_guests' => 400,
+            'status' => 'pending',
+            'metadata' => [
+                'addon_intent' => 'intent-456',
+                'increments' => ['extra_guests' => 200],
+            ],
+        ]);
+
+        $payload = [
+            'event_type' => 'transaction.completed',
+            'data' => [
+                'id' => 'txn_addon_2',
+                'custom_data' => [
+                    'addon_intent' => 'intent-456',
+                    'addon_key' => 'extra_guests',
+                ],
+            ],
+        ];
+
+        $handler = app(EventAddonWebhookService::class);
+
+        $handled = $handler->handle($payload);
+
+        $this->assertTrue($handled);
+
+        $addon->refresh();
+        $eventPackage->refresh();
+
+        $this->assertSame('completed', $addon->status);
+        $this->assertSame('txn_addon_2', $addon->transaction_id);
+        $this->assertSame(400, $eventPackage->extra_guests);
+
+        Notification::assertSentTimes(AddonPurchaseReceipt::class, 1);
+    }
 }