Symfony\Component\HttpKernel\Exception\BadRequestHttpException:
  Stripe webhook signature verification failed.

  at src/Controller/Webhook/StripeController.php:47
  at App\Controller\Webhook\StripeController->handleWebhook()
    (vendor/symfony/http-kernel/HttpKernel.php:163)

Fix: Verify STRIPE_WEBHOOK_SECRET in .env matches Stripe dashboard.
     Run: php bin/console app:stripe:verify-webhook

App\Exception\LicenseValidationException:
  Connection to license API timed out after 30s.

  at src/License/LicenseValidator.php:89

Fix: Check license API health at /api/health
     If persistent, increase timeout: LICENSE_API_TIMEOUT=60

App\Exception\ScaffoldTimeoutException:
  Billing module scaffolding exceeded 60s limit.
  Modules completed: core, auth
  Module failed: billing (at step: migrations)

  at src/Scaffolder/ModuleScaffolder.php:234

Fix: User should retry: shipfony scaffold --resume
     If persistent, check DB connectivity.

App\Security\RateLimitExceededException:
  IP 185.42.xxx.xxx exceeded 10 login attempts in 5 minutes.
  Account targeted: admin@shipfony.com
  Action: IP blocked for 15 minutes.

Fix: Review in Settings → Security → Blocked IPs
     Consider adding to permanent blocklist if pattern repeats.