Add Codex auth preservation setting

src/components/settings/CodexAuthSettings.tsx

@@ -0,0 +1,35 @@
+import { useTranslation } from "react-i18next";
+import { KeyRound } from "lucide-react";
+import type { SettingsFormState } from "@/hooks/useSettings";
+import { ToggleRow } from "@/components/ui/toggle-row";
+
+interface CodexAuthSettingsProps {
+  settings: SettingsFormState;
+  onChange: (updates: Partial<SettingsFormState>) => void;
+}
+
+export function CodexAuthSettings({
+  settings,
+  onChange,
+}: CodexAuthSettingsProps) {
+  const { t } = useTranslation();
+
+  return (
+    <section className="space-y-4">
+      <div className="flex items-center gap-2 pb-2 border-b border-border/40">
+        <KeyRound className="h-4 w-4 text-primary" />
+        <h3 className="text-sm font-medium">{t("settings.codexAuth")}</h3>
+      </div>
+
+      <ToggleRow
+        icon={<KeyRound className="h-4 w-4 text-emerald-500" />}
+        title={t("settings.preserveCodexOfficialAuthOnSwitch")}
+        description={t("settings.preserveCodexOfficialAuthOnSwitchDescription")}
+        checked={settings.preserveCodexOfficialAuthOnSwitch ?? true}
+        onCheckedChange={(value) =>
+          onChange({ preserveCodexOfficialAuthOnSwitch: value })
+        }
+      />
+    </section>
+  );
+}

src/components/settings/SettingsPage.tsx

@@ -44,6 +44,7 @@ import { ModelTestConfigPanel } from "@/components/usage/ModelTestConfigPanel";
 import { UsageDashboard } from "@/components/usage/UsageDashboard";
 import { LogConfigPanel } from "@/components/settings/LogConfigPanel";
 import { AuthCenterPanel } from "@/components/settings/AuthCenterPanel";
+import { CodexAuthSettings } from "@/components/settings/CodexAuthSettings";
 import { useInstalledSkills } from "@/hooks/useSkills";
 import { useSettings } from "@/hooks/useSettings";
 import { useImportExport } from "@/hooks/useImportExport";
@@ -245,6 +246,10 @@ export function SettingsPage({
                       settings={settings}
                       onChange={handleAutoSave}
                     />
+                    <CodexAuthSettings
+                      settings={settings}
+                      onChange={handleAutoSave}
+                    />
                     <TerminalSettings
                       value={settings.preferredTerminal}
                       onChange={(terminal) =>