fix: oidc, global default, and remember me issues

src/ui/desktop/apps/admin/tabs/GeneralSettingsTab.tsx

@@ -88,8 +88,12 @@ export function GeneralSettingsTab({
             metricsInterval: newMetrics,
           });
           toast.success(t("admin.globalSettingsSaved"));
-        } catch {
-          toast.error(t("admin.failedToSaveGlobalSettings"));
+        } catch (error) {
+          const errorMessage =
+            error instanceof Error
+              ? error.message
+              : t("admin.failedToSaveGlobalSettings");
+          toast.error(errorMessage);
         } finally {
           setMonitoringLoading(false);
         }

src/ui/desktop/authentication/Auth.tsx

@@ -104,7 +104,14 @@ export function Auth({
   const [localUsername, setLocalUsername] = useState("");
   const [password, setPassword] = useState("");
   const [signupConfirmPassword, setSignupConfirmPassword] = useState("");
-  const [rememberMe, setRememberMe] = useState(false);
+  const [rememberMe, setRememberMe] = useState(() => {
+    try {
+      const saved = localStorage.getItem("rememberMe");
+      return saved === "true";
+    } catch {
+      return false;
+    }
+  });
   const [loading, setLoading] = useState(false);
   const [oidcLoading, setOidcLoading] = useState(false);
   const [internalLoggedIn, setInternalLoggedIn] = useState(false);
@@ -175,6 +182,14 @@ export function Auth({
     }
   }, [totpRequired]);
 
+  useEffect(() => {
+    try {
+      localStorage.setItem("rememberMe", rememberMe.toString());
+    } catch {
+      // expected - localStorage might not be available
+    }
+  }, [rememberMe]);
+
   useEffect(() => {
     getRegistrationAllowed().then((res) => {
       setRegistrationAllowed(res.allowed);