Вытащил солюшен на уровень выше, чтобы прощё было дотнетить

BlazorWebAssemblyVisaApiClient/Validation/VisaApplications/Models/VisaApplicationCreateRequestModel.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel.DataAnnotations;
+using VisaApiClient;
+
+namespace BlazorWebAssemblyVisaApiClient.Validation.VisaApplications.Models;
+
+/// Model for request for data annotations validation to work
+public class VisaApplicationCreateRequestModel
+{
+    [ValidateComplexType]
+    public ReentryPermitModel? ReentryPermit { get; set; } = default!;
+
+    [Required]
+    [MaxLength(ConfigurationConstraints.CountryNameLength)]
+    public string DestinationCountry { get; set; } = default!;
+
+    [Required]
+    public VisaCategoryModel VisaCategory { get; set; }
+
+    [Required]
+    public bool IsForGroup { get; set; }
+
+    [Required]
+    public RequestedNumberOfEntries RequestedNumberOfEntries { get; set; }
+
+    [Required]
+    [Range(0, ConfigurationConstraints.MaxValidDays)]
+    public int ValidDaysRequested { get; set; }
+
+    [ValidateComplexType]
+    public List<PastVisaModel> PastVisas { get; set; } = [];
+
+    [ValidateComplexType]
+    public PermissionToDestCountryModel? PermissionToDestCountry { get; set; } = default!;
+
+    [ValidateComplexType]
+    public List<PastVisitModel> PastVisits { get; set; } = [];
+}

BlazorWebAssemblyVisaApiClient/Validation/VisaApplications/Models/VisaCategoryModel.cs

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+using System.ComponentModel.DataAnnotations;
+
+namespace BlazorWebAssemblyVisaApiClient.Validation.VisaApplications.Models
+{
+    public enum VisaCategoryModel
+    {
+        Transit = 0,
+        [Display(Name = "Short dated")]
+        ShortDated = 1
+    }
+}