Fix critical dbId sync bug causing stale map layers and broken clicks

index.html

@@ -2790,7 +2790,7 @@
                 }
 
                 const payload = {
-                    id: v.id,
+                    id: v.dbId,
                     geometry: {
                         type: "LineString",
                         coordinates: latLngs.map(p => [p.lng, p.lat])
@@ -2817,7 +2817,7 @@
                 
                 const result = await response.json();
                 if (result.success && result.id) {
-                    v.id = result.id; // Sync the database ID back to the state
+                    v.dbId = result.id; // Store dbId separately to maintain internal UI references
                 }
                 console.log("Speichern in Datenbank erfolgreich!");
             } catch (err) {