Fixed settings by adding check for null at the beginning

apps/backlite/settings.js

@@ -1,20 +1,20 @@
 (function(back) {
   var FILE = "BackLite.settings.json";
-  // Load settings
-  var settings = Object.assign({
-      brightness: 0.3,
-  }, require('Storage').readJSON(FILE, true) || {});
+
+  // Load settings safely (avoid crashes on bad/missing JSON)
+  var settings = require("Storage").readJSON(FILE, 1) || {};
+  
+  if (!isFinite(settings.brightness)) settings.brightness = 0.3;
 
   function writeSettings() {
-    require('Storage').writeJSON(FILE, settings);
+    require("Storage").writeJSON(FILE, settings);
   }
 
-  // Show the menu
   E.showMenu({
     "" : { "title" : "BackLite" },
-    "< Back": back,
-    'Brightness': {
-      value: settings.brightness||0.3,  
+    "< Back": () => (back()), // fallback if run standalone
+    "Brightness": {
+      value: settings.brightness,
       min: 0.1, max: 1,
       step: 0.1,
       onchange: v => {
@@ -23,4 +23,4 @@
       }
     },
   });
-})
+});