fix: swallow rejections on the tab-open and menu-registration paths

background/background.js

@@ -52,6 +52,7 @@ async function readSelection() {
 }
 
 async function openChatGpt(query) {
+  try {
     const settings = await load();
     const url = buildChatGptUrl(settings, query);
 
@@ -65,6 +66,10 @@ async function openChatGpt(query) {
     }
 
     await browser.tabs.create({ url, active: settings.openIn !== "background-tab" });
+  } catch {
+    // Silence rejections silently — the user expects either a tab to open or
+    // nothing, not an error log. Every failure path must degrade gracefully.
+  }
 }
 
 // removeAll() first, so a background event page waking up and re-running this
@@ -96,4 +101,7 @@ if (browser.commands) {
   });
 }
 
-registerMenu();
+registerMenu().catch(() => {
+  // Silence rejections from menus.removeAll() — it cannot prevent menu creation
+  // on retry, so degrade gracefully with no unhandled rejection logged.
+});