refactor

redux/slices/database/polylines/polylineLayerVisibleSlice.js

@@ -0,0 +1,21 @@
+// /redux/slices/database7polylines/polylineLayerVisibleSlice.js
+import { createSlice } from "@reduxjs/toolkit";
+
+const initialState = {
+  visible: false, // oder Standardwert
+};
+
+const polylineLayerVisibleSlice = createSlice({
+  name: "polylineLayerVisible",
+  initialState,
+  reducers: {
+    setPolylineVisible: (state, action) => {
+      state.visible = action.payload;
+      localStorage.setItem("polylineVisible", action.payload);
+    },
+  },
+});
+
+export const { setPolylineVisible } = polylineLayerVisibleSlice.actions;
+export const selectPolylineVisible = (state) => state.polylineLayerVisible.visible;
+export default polylineLayerVisibleSlice.reducer;