fix: handle 401 in PendingActionBanner — show 'session expired' instead of raw error

Root cause: when JWT expires, upgrade API returns 'Missing authorization
token' which was displayed as ownership error. Now detects 401 and shows
a clear 'reconnect wallet' message.

Author: CloudLobster

web/src/pages/Dashboard.tsx

@@ -2695,6 +2695,12 @@ function PendingActionBanner({
             window.location.href = '/dashboard';
             return;
           }
+          // Auth expired → prompt reconnect
+          if (upgradeRes.status === 401) {
+            setError('Session expired. Please disconnect and reconnect your wallet.');
+            setChecking(false);
+            return;
+          }
           const errData = await upgradeRes.json().catch(() => ({}));
           // If "already has Basename handle" — user already upgraded
           if (errData.error?.includes('already has')) {
@@ -2725,6 +2731,11 @@ function PendingActionBanner({
               window.location.href = '/dashboard';
               return;
             }
+            if (upgradeRes.status === 401) {
+              setError('Session expired. Please disconnect and reconnect your wallet.');
+              setChecking(false);
+              return;
+            }
             const upgradeErr = await upgradeRes.json().catch(() => ({}));
             if (upgradeErr.error?.includes('already has')) {
               window.location.href = '/dashboard';