feat: add Inbucket mailbox support and enhance password management in side panel

content/mail-163.js

@@ -20,19 +20,27 @@ if (!isTopFrame) {
 // Track codes we've already seen — persisted in chrome.storage.session to survive script re-injection
 let seenCodes = new Set();
 
-// Load previously seen codes on startup
-(async () => {
+async function loadSeenCodes() {
   try {
     const data = await chrome.storage.session.get('seenCodes');
     if (data.seenCodes && Array.isArray(data.seenCodes)) {
       seenCodes = new Set(data.seenCodes);
       console.log(MAIL163_PREFIX, `Loaded ${seenCodes.size} previously seen codes`);
     }
-  } catch {}
-})();
+  } catch (err) {
+    console.warn(MAIL163_PREFIX, 'Session storage unavailable, using in-memory seen codes:', err?.message || err);
+  }
+}
+
+// Load previously seen codes on startup
+loadSeenCodes();
 
 async function persistSeenCodes() {
-  await chrome.storage.session.set({ seenCodes: [...seenCodes] });
+  try {
+    await chrome.storage.session.set({ seenCodes: [...seenCodes] });
+  } catch (err) {
+    console.warn(MAIL163_PREFIX, 'Could not persist seen codes, continuing in-memory only:', err?.message || err);
+  }
 }
 
 // ============================================================