♻️ Refactor: cleanupMarkers util eingeführt für alle Marker-Typen + ✨ Feature: Heap-Memory-Monitoring über Redux-Slice mit Auto-Reload bei >8GB

redux/slices/heapMonitorSlice.js

@@ -0,0 +1,22 @@
+import { createSlice } from "@reduxjs/toolkit";
+
+const initialState = {
+  heapBytes: 0,
+  heapMB: 0,
+  lastUpdated: null,
+};
+
+export const heapMonitorSlice = createSlice({
+  name: "heapMonitor",
+  initialState,
+  reducers: {
+    updateHeap(state, action) {
+      state.heapBytes = action.payload;
+      state.heapMB = +(action.payload / 1024 / 1024).toFixed(2);
+      state.lastUpdated = new Date().toISOString();
+    },
+  },
+});
+
+export const { updateHeap } = heapMonitorSlice.actions;
+export default heapMonitorSlice.reducer;