diff --git a/sitecompanion/content.js b/sitecompanion/content.js
index 4fdd162..9ab02ef 100644
--- a/sitecompanion/content.js
+++ b/sitecompanion/content.js
@@ -459,7 +459,12 @@ function createToolbar(shortcuts, position = "bottom-right", themeMode = "light"
         box-shadow: 0 8px 20px ${tokens.glow};
       `;
       btn.addEventListener("click", () => {
-        chrome.runtime.sendMessage({ type: "RUN_SHORTCUT", shortcutId: shortcut.id });
+        chrome.runtime.sendMessage(
+          { type: "RUN_SHORTCUT", shortcutId: shortcut.id },
+          () => {
+            void chrome.runtime.lastError;
+          }
+        );
       });
       toolbar.appendChild(btn);
     }
@@ -571,6 +576,11 @@ const observer = new MutationObserver(() => {
 
 observer.observe(document.documentElement, { childList: true, subtree: true });
 
+chrome.storage.onChanged.addListener(() => {
+  if (suppressObserver) return;
+  scheduleToolbarRefresh();
+});
+
 chrome.runtime.onMessage.addListener((message, _sender, sendResponse) => {
   if (!message || typeof message !== "object") return;
   if (message.type === "FIND_SCOPE") {
diff --git a/sitecompanion/manifest.json b/sitecompanion/manifest.json
index c7f27e9..e39b611 100644
--- a/sitecompanion/manifest.json
+++ b/sitecompanion/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "SiteCompanion",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "AI companion for site-bound text extraction and tasks.",
   "permissions": ["storage", "activeTab"],
   "host_permissions": ["<all_urls>"],