its functionning

src/managers/stores/useWorldSettingsStore.ts

@@ -1,4 +1,5 @@
 import { create } from "zustand";
+import { persist } from "zustand/middleware";
 import { CLOUD_DEFAULTS, type CloudState } from "@/data/world/cloudConfig";
 import { FOG_CONFIG, type FogState } from "@/data/world/fogConfig";
 import { WIND_DEFAULTS, type WindState } from "@/data/world/windConfig";
@@ -46,7 +47,9 @@ const DEFAULT_STATE: WorldSettingsState = {
   graphics: { ...GRAPHICS_DEFAULTS },
 };
 
-export const useWorldSettingsStore = create<WorldSettingsStore>()((set) => ({
+export const useWorldSettingsStore = create<WorldSettingsStore>()(
+  persist(
+    (set) => ({
   ...DEFAULT_STATE,
 
   setClouds: (cloudsUpdate) =>
@@ -115,4 +118,12 @@ export const useWorldSettingsStore = create<WorldSettingsStore>()((set) => ({
     })),
 
   resetToDefaults: () => set(DEFAULT_STATE),
-}));
+    }),
+    {
+      name: "la-fabrik-world-settings",
+      // Persist only graphics settings (preset + options) — fog/wind/clouds
+      // reset to defaults on each session.
+      partialize: (state) => ({ graphics: state.graphics }),
+    },
+  ),
+);