feat: enforce profile data completeness before entering booking flow

src/BusProNet/Model/Address.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace App\BusProNet\Model;
 
+use Symfony\Component\Validator\Constraints as Assert;
+
 /**
  * Represents a physical address with street, postal code, city, and country information.
  *
@@ -13,14 +15,18 @@ namespace App\BusProNet\Model;
  */
 class Address
 {
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
     public ?string $street = null;
 
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
     public ?string $postCode = null;
 
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
     public ?string $city = null;
 
     public ?string $district = null;
 
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
     public ?string $country = null;
 
     /**