feat(persons): normalize SKIP→UNKNOWN in edit-route load function

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

frontend/src/routes/persons/[id]/edit/+page.server.ts

@@ -22,7 +22,9 @@ export async function load({ params, fetch, locals }) {
 		throw error(result.response.status, getErrorMessage(code));
 	}
 
-	return { person: result.data!, aliases: aliasesResult.data ?? [] };
+	const person = result.data!;
+	const personType = person.personType === 'SKIP' ? 'UNKNOWN' : person.personType;
+	return { person: { ...person, personType }, aliases: aliasesResult.data ?? [] };
 }
 
 export const actions = {