Phase 3 complete: - Zmieniono _csrf_token -> _token w OrdersController (1x), ShipmentController (2x) - Zmieniono name="_csrf_token" -> name="_token" w orders/show.php (1x), shipments/prepare.php (2x) - Usunięto concern z .paul/codebase/CONCERNS.md Co-Authored-By: Claude <noreply@anthropic.com>