feat(persons): add personType to PersonUpdateDTO and wire into createPerson

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/main/java/org/raddatz/familienarchiv/dto/PersonUpdateDTO.java

@@ -1,10 +1,14 @@
 package org.raddatz.familienarchiv.dto;
 
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
 import lombok.Data;
+import org.raddatz.familienarchiv.model.PersonType;
 
 @Data
 public class PersonUpdateDTO {
+    @NotNull
+    private PersonType personType;
     @Size(max = 50)
     private String title;
     @Size(max = 100)

backend/src/main/java/org/raddatz/familienarchiv/service/PersonService.java

@@ -111,6 +111,7 @@ public class PersonService {
     public Person createPerson(PersonUpdateDTO dto) {
         validateYears(dto.getBirthYear(), dto.getDeathYear());
         Person person = Person.builder()
+                .personType(dto.getPersonType())
                 .title(dto.getTitle() == null || dto.getTitle().isBlank() ? null : dto.getTitle().trim())
                 .firstName(dto.getFirstName())
                 .lastName(dto.getLastName())