feat(persons): add INVALID_PERSON_TYPE error code with i18n translations

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

backend/src/main/java/org/raddatz/familienarchiv/exception/ErrorCode.java

@@ -13,6 +13,8 @@ public enum ErrorCode {
     PERSON_NOT_FOUND,
     /** A person name alias with the given ID does not exist. 404 */
     ALIAS_NOT_FOUND,
+    /** The submitted personType value is not allowed (e.g. SKIP is import-only). 400 */
+    INVALID_PERSON_TYPE,
 
     // --- Documents ---
     /** A document with the given ID does not exist. 404 */

frontend/messages/de.json

@@ -536,6 +536,7 @@
 	"person_alias_delete_body": "Dieser Name wird aus der Suche entfernt.",
 	"person_alias_btn_delete": "Entfernen",
 	"error_alias_not_found": "Der Namensalias wurde nicht gefunden.",
+	"error_invalid_person_type": "Der angegebene Personentyp ist ungültig.",
 	"error_ocr_service_unavailable": "Der OCR-Dienst ist nicht verfügbar.",
 	"error_ocr_job_not_found": "Der OCR-Auftrag wurde nicht gefunden.",
 	"error_ocr_document_not_uploaded": "Das Dokument hat keine Datei — OCR ist nicht möglich.",

frontend/messages/en.json

@@ -536,6 +536,7 @@
 	"person_alias_delete_body": "This name will be removed from search results.",
 	"person_alias_btn_delete": "Remove",
 	"error_alias_not_found": "The name alias was not found.",
+	"error_invalid_person_type": "The specified person type is not valid.",
 	"error_ocr_service_unavailable": "The OCR service is not available.",
 	"error_ocr_job_not_found": "The OCR job was not found.",
 	"error_ocr_document_not_uploaded": "The document has no file — OCR is not possible.",

frontend/messages/es.json

@@ -536,6 +536,7 @@
 	"person_alias_delete_body": "Este nombre se eliminara de los resultados de busqueda.",
 	"person_alias_btn_delete": "Eliminar",
 	"error_alias_not_found": "No se encontro el alias de nombre.",
+	"error_invalid_person_type": "El tipo de persona especificado no es válido.",
 	"error_ocr_service_unavailable": "El servicio OCR no está disponible.",
 	"error_ocr_job_not_found": "No se encontró el trabajo OCR.",
 	"error_ocr_document_not_uploaded": "El documento no tiene archivo — OCR no es posible.",

frontend/src/lib/errors.ts

@@ -7,6 +7,7 @@ import * as m from '$lib/paraglide/messages.js';
 export type ErrorCode =
 	| 'PERSON_NOT_FOUND'
 	| 'ALIAS_NOT_FOUND'
+	| 'INVALID_PERSON_TYPE'
 	| 'DOCUMENT_NOT_FOUND'
 	| 'DOCUMENT_NO_FILE'
 	| 'FILE_NOT_FOUND'
@@ -73,6 +74,8 @@ export function getErrorMessage(code: ErrorCode | string | undefined): string {
 			return m.error_person_not_found();
 		case 'ALIAS_NOT_FOUND':
 			return m.error_alias_not_found();
+		case 'INVALID_PERSON_TYPE':
+			return m.error_invalid_person_type();
 		case 'DOCUMENT_NOT_FOUND':
 			return m.error_document_not_found();
 		case 'DOCUMENT_NO_FILE':