@mytec: iter4 ready for test

frontend/src/store/settings.ts

@@ -6,8 +6,10 @@ type Theme = 'light' | 'dark' | 'system';
 interface SettingsState {
   theme: Theme;
   showTerrain: boolean;
+  terrainOpacity: number;
   setTheme: (theme: Theme) => void;
   setShowTerrain: (show: boolean) => void;
+  setTerrainOpacity: (opacity: number) => void;
 }
 
 function applyTheme(theme: Theme) {
@@ -26,11 +28,13 @@ export const useSettingsStore = create<SettingsState>()(
     (set) => ({
       theme: 'system' as Theme,
       showTerrain: false,
+      terrainOpacity: 0.5,
       setTheme: (theme: Theme) => {
         set({ theme });
         applyTheme(theme);
       },
       setShowTerrain: (show: boolean) => set({ showTerrain: show }),
+      setTerrainOpacity: (opacity: number) => set({ terrainOpacity: opacity }),
     }),
     {
       name: 'rfcp-settings',