feat: Doing more polishing (M8b)

web/js/save/storage.js

@@ -88,7 +88,7 @@ export function readSave(store, key) {
 
 // ---- Settings ----
 
-const DEFAULT_SETTINGS = { lang: null, slow: false };
+const DEFAULT_SETTINGS = { lang: null, slow: false, sound: true, volume: 0.6 };
 
 export function loadSettings(store) {
   try {
@@ -96,6 +96,8 @@ export function loadSettings(store) {
     return {
       lang: s.lang === "en" || s.lang === "fr" ? s.lang : DEFAULT_SETTINGS.lang,
       slow: s.slow === true,
+      sound: s.sound !== false,
+      volume: typeof s.volume === "number" && s.volume >= 0 && s.volume <= 1 ? s.volume : DEFAULT_SETTINGS.volume,
     };
   } catch {
     return { ...DEFAULT_SETTINGS };