feat(registration): add birthdate & postcode

apps/web/src/routes/manage.$token.tsx

@@ -117,6 +117,8 @@ interface EditFormProps {
 		lastName: string;
 		email: string;
 		phone: string | null;
+		birthdate: string;
+		postcode: string;
 		registrationType: string;
 		artForm: string | null;
 		experience: string | null;
@@ -140,6 +142,8 @@ function EditForm({ token, initialData, onCancel, onSaved }: EditFormProps) {
 		lastName: initialData.lastName,
 		email: initialData.email,
 		phone: initialData.phone ?? "",
+		birthdate: initialData.birthdate ?? "",
+		postcode: initialData.postcode ?? "",
 		registrationType: initialType,
 		artForm: initialData.artForm ?? "",
 		experience: initialData.experience ?? "",
@@ -185,6 +189,8 @@ function EditForm({ token, initialData, onCancel, onSaved }: EditFormProps) {
 				? formData.experience.trim() || undefined
 				: undefined,
 			isOver16: performer ? formData.isOver16 : false,
+			birthdate: formData.birthdate.trim(),
+			postcode: formData.postcode.trim(),
 			guests: performer
 				? []
 				: formGuests.map((g) => ({
@@ -192,6 +198,8 @@ function EditForm({ token, initialData, onCancel, onSaved }: EditFormProps) {
 						lastName: g.lastName.trim(),
 						email: g.email.trim() || undefined,
 						phone: g.phone.trim() || undefined,
+						birthdate: g.birthdate.trim(),
+						postcode: g.postcode.trim(),
 					})),
 			extraQuestions: formData.extraQuestions.trim() || undefined,
 			giftAmount,
@@ -393,7 +401,14 @@ function EditForm({ token, initialData, onCancel, onSaved }: EditFormProps) {
 							if (formGuests.length >= 9) return;
 							setFormGuests((prev) => [
 								...prev,
-								{ firstName: "", lastName: "", email: "", phone: "" },
+								{
+									firstName: "",
+									lastName: "",
+									email: "",
+									phone: "",
+									birthdate: "",
+									postcode: "",
+								},
 							]);
 						}}
 						onRemove={(idx) =>