From 4d111f83df09575122e144a263a05e930a6f5b02 Mon Sep 17 00:00:00 2001
From: Johannes Baumeister <jba@enwelo.de>
Date: Fri, 29 May 2026 11:18:11 +0200
Subject: [PATCH] fix: Verhindere doppeltes Puffern von Leitungen durch
 Bereinigung und Puffer-Ausschluss

---
 app.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/app.js b/app.js
index df3121b..a9e1fea 100644
--- a/app.js
+++ b/app.js
@@ -1035,7 +1035,7 @@ document.addEventListener('DOMContentLoaded', async () => {
             layerControl.addOverlay(layer, layerName);
 
             // NEU: 50m Puffer für Freileitungen
-            if (layerName.toLowerCase().includes('freileitung')) {
+            if (layerName.toLowerCase().includes('freileitung') && !layerName.toLowerCase().includes('puffer')) {
                 try {
                     const bufferedGeojson = turf.buffer(geojson, 0.05, {units: 'kilometers'});
                     const bufferLayer = L.geoJSON(bufferedGeojson, {
@@ -1214,9 +1214,10 @@ document.addEventListener('DOMContentLoaded', async () => {
                 console.log(`Leitungsverläufe API: ${data.features ? data.features.length : 0} Features erhalten.`);
 
                 // Alte lokale Layer aufräumen
-                const localLtgKeys = Object.keys(overlays).filter(k => 
-                    (k.toLowerCase().includes('freileitung') || k.toLowerCase().includes('wasserstoff') || k.toLowerCase().includes('leitung')) && !k.includes('(db)')
-                );
+                const localLtgKeys = Object.keys(overlays).filter(k => {
+                    const low = k.toLowerCase();
+                    return low.includes('freileitung') || low.includes('wasserstoff') || low === 'leitung' || low.startsWith('leitung ');
+                });
                 localLtgKeys.forEach(key => {
                     console.log(`Entferne lokalen Leitungs-Layer "${key}" (wird durch DB ersetzt).`);
                     if (state.map.hasLayer(overlays[key])) {
@@ -2496,7 +2497,7 @@ function loadBakedLayers(bakedLayers, state, overlays, layerControl, statusEl) {
         state.bakedData[name] = entry;
 
         // NEU: 50m Puffer für Freileitungen (Standalone Mode)
-        if (name.toLowerCase().includes('freileitung')) {
+        if (name.toLowerCase().includes('freileitung') && !name.toLowerCase().includes('puffer')) {
             try {
                 const bufferedGeojson = turf.buffer(entry.data, 0.05, {units: 'kilometers'});
                 const bufferLayer = L.geoJSON(bufferedGeojson, {