From 955c71a02ee8e09afc3f2d86843e884fb1142d03 Mon Sep 17 00:00:00 2001
From: Johannes Baumeister <jba@enwelo.de>
Date: Thu, 25 Jun 2026 10:01:23 +0200
Subject: [PATCH] fix: prevent cleanupLocalOwnerLayers from deleting the
 outline (Umriss) layer

---
 app.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app.js b/app.js
index dbf94c4..c85f8dd 100644
--- a/app.js
+++ b/app.js
@@ -1455,7 +1455,9 @@ document.addEventListener('DOMContentLoaded', async () => {
 
     function cleanupLocalOwnerLayers() {
         const localOwnerKeys = Object.keys(overlays).filter(k =>
-            k.toLowerCase().includes('eigentümer') && k !== 'Eigentümer (ALKIS DB)'
+            k.toLowerCase().includes('eigentümer') && 
+            k !== 'Eigentümer (ALKIS DB)' && 
+            !k.toLowerCase().includes('umriss')
         );
         localOwnerKeys.forEach(key => {
             console.log(`Entferne lokalen Layer "${key}" (wird durch ALKIS DB ersetzt).`);