fix: disabled-state UI, settings shallow-merge, and popup save reliability

Co-authored-by: Cursor <cursoragent@cursor.com>

content/main.js

@@ -5,6 +5,7 @@
     const settings = await window.RedditTweaks.loadSettings();
     if (!settings.enabled) return;
 
+    document.documentElement.classList.add("rt-enabled");
     window.RedditTweaks.badgeTweak.apply(settings);
 
     browser.storage.onChanged.addListener(function (changes) {

content/styles/badges.css

@@ -1,6 +1,6 @@
 /* --- FOUC prevention: hide original elements immediately --- */
-.thing.link .tagline .subreddit,
-.thing.link .flat-list .comments {
+html.rt-enabled .thing.link .tagline .subreddit,
+html.rt-enabled .thing.link .flat-list .comments {
   display: none !important;
 }
 

lib/settings.js

@@ -21,7 +21,9 @@
 
   async function loadSettings() {
     const stored = await browser.storage.local.get(null);
-    return Object.assign({}, DEFAULTS, stored);
+    const merged = Object.assign({}, DEFAULTS, stored);
+    merged.subredditColors = Object.assign({}, merged.subredditColors);
+    return merged;
   }
 
   async function saveSettings(settings) {

popup/popup.js

@@ -115,7 +115,7 @@
     return overrides;
   }
 
-  function saveFromControls() {
+  async function saveFromControls() {
     const settings = {
       enabled: document.getElementById("enabled").checked,
       darkMode: document.getElementById("darkMode").value,
@@ -134,7 +134,11 @@
       }
     });
 
-    window.RedditTweaks.saveSettings(settings);
+    try {
+      await window.RedditTweaks.saveSettings(settings);
+    } catch (err) {
+      console.error("Reddit Tweaks: failed to save settings", err);
+    }
   }
 
   async function init() {