diff --git a/frontend/src/components/account/CreateAccountModal.vue b/frontend/src/components/account/CreateAccountModal.vue
index 206c1f1494..e5b29be95c 100644
--- a/frontend/src/components/account/CreateAccountModal.vue
+++ b/frontend/src/components/account/CreateAccountModal.vue
@@ -296,7 +296,7 @@
       <!-- Account Type Selection (OpenAI) -->
       <div v-if="form.platform === 'openai'">
         <label class="input-label">{{ t('admin.accounts.accountType') }}</label>
-        <div class="mt-2 grid grid-cols-2 gap-3" data-tour="account-form-type">
+        <div class="mt-2 grid grid-cols-1 gap-3 sm:grid-cols-2" data-tour="account-form-type">
           <button
             type="button"
             @click="accountCategory = 'oauth-based'"
@@ -323,6 +323,60 @@
             </div>
           </button>
 
+          <button
+            type="button"
+            data-testid="openai-account-type-agent-identity"
+            @click="accountCategory = 'agent-identity'"
+            :class="[
+              'flex items-center gap-3 rounded-lg border-2 p-3 text-left transition-all',
+              accountCategory === 'agent-identity'
+                ? 'border-emerald-500 bg-emerald-50 dark:bg-emerald-900/20'
+                : 'border-gray-200 hover:border-emerald-300 dark:border-dark-600 dark:hover:border-emerald-700'
+            ]"
+          >
+            <div
+              :class="[
+                'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg',
+                accountCategory === 'agent-identity'
+                  ? 'bg-emerald-500 text-white'
+                  : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
+              ]"
+            >
+              <Icon name="shield" size="sm" />
+            </div>
+            <div>
+              <span class="block text-sm font-medium text-gray-900 dark:text-white">Agent Identity</span>
+              <span class="text-xs text-gray-500 dark:text-gray-400">{{ t('admin.accounts.types.agentIdentity') }}</span>
+            </div>
+          </button>
+
+          <button
+            type="button"
+            data-testid="openai-account-type-codex-pat"
+            @click="accountCategory = 'codex-pat'"
+            :class="[
+              'flex items-center gap-3 rounded-lg border-2 p-3 text-left transition-all',
+              accountCategory === 'codex-pat'
+                ? 'border-cyan-500 bg-cyan-50 dark:bg-cyan-900/20'
+                : 'border-gray-200 hover:border-cyan-300 dark:border-dark-600 dark:hover:border-cyan-700'
+            ]"
+          >
+            <div
+              :class="[
+                'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg',
+                accountCategory === 'codex-pat'
+                  ? 'bg-cyan-500 text-white'
+                  : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
+              ]"
+            >
+              <Icon name="key" size="sm" />
+            </div>
+            <div>
+              <span class="block text-sm font-medium text-gray-900 dark:text-white">Codex PAT</span>
+              <span class="text-xs text-gray-500 dark:text-gray-400">{{ t('admin.accounts.types.codexPat') }}</span>
+            </div>
+          </button>
+
           <button
             type="button"
             @click="accountCategory = 'apikey'"
@@ -3112,15 +3166,17 @@
         :show-proxy-warning="form.platform !== 'openai' && form.platform !== 'grok' && !!form.proxy_id"
         :allow-multiple="form.platform === 'anthropic'"
         :show-cookie-option="form.platform === 'anthropic'"
-        :show-refresh-token-option="form.platform === 'openai' || form.platform === 'antigravity' || form.platform === 'grok'"
-        :show-mobile-refresh-token-option="form.platform === 'openai'"
+        :show-refresh-token-option="(form.platform === 'openai' && accountCategory === 'oauth-based') || form.platform === 'antigravity' || form.platform === 'grok'"
+        :show-mobile-refresh-token-option="form.platform === 'openai' && accountCategory === 'oauth-based'"
         :show-session-token-option="false"
         :show-access-token-option="false"
-        :show-codex-session-import-option="form.platform === 'openai'"
-        :show-codex-pat-option="form.platform === 'openai'"
+        :show-codex-session-import-option="form.platform === 'openai' && (accountCategory === 'oauth-based' || accountCategory === 'agent-identity')"
+        :show-codex-pat-option="form.platform === 'openai' && accountCategory === 'codex-pat'"
         :show-sso-option="form.platform === 'grok'"
-        :show-manual-option="true"
-        :initial-input-method="'manual'"
+        :show-manual-option="form.platform !== 'openai' || accountCategory === 'oauth-based'"
+        :initial-input-method="openAIInitialInputMethod"
+        :title-override="oauthStepTitle"
+        :agent-identity-only="form.platform === 'openai' && accountCategory === 'agent-identity'"
         :platform="form.platform"
         :show-project-id="geminiOAuthType === 'code_assist'"
         @generate-url="handleGenerateUrl"
@@ -3537,6 +3593,8 @@ const { t } = useI18n()
 const authStore = useAuthStore()
 
 const oauthStepTitle = computed(() => {
+  if (form.platform === 'openai' && accountCategory.value === 'agent-identity') return 'Agent Identity'
+  if (form.platform === 'openai' && accountCategory.value === 'codex-pat') return 'Codex PAT'
   if (form.platform === 'openai') return t('admin.accounts.oauth.openai.title')
   if (form.platform === 'gemini') return t('admin.accounts.oauth.gemini.title')
   if (form.platform === 'antigravity') return t('admin.accounts.oauth.antigravity.title')
@@ -3632,7 +3690,7 @@ interface TempUnschedRuleForm {
 // State
 const step = ref(1)
 const submitting = ref(false)
-const accountCategory = ref<'oauth-based' | 'apikey' | 'bedrock' | 'service_account'>('oauth-based') // UI selection for account category
+const accountCategory = ref<'oauth-based' | 'agent-identity' | 'codex-pat' | 'apikey' | 'bedrock' | 'service_account'>('oauth-based') // UI selection for account category
 const addMethod = ref<AddMethod>('oauth') // For oauth-based: 'oauth' or 'setup-token'
 const apiKeyBaseUrl = ref('https://api.anthropic.com')
 const apiKeyValue = ref('')
@@ -4017,7 +4075,14 @@ const isOAuthFlow = computed(() => {
   if (form.platform === 'anthropic' && accountCategory.value === 'bedrock') {
     return false
   }
-  return accountCategory.value === 'oauth-based'
+  return accountCategory.value === 'oauth-based' || accountCategory.value === 'agent-identity' || accountCategory.value === 'codex-pat'
+})
+
+const openAIInitialInputMethod = computed<AuthInputMethod>(() => {
+  if (form.platform !== 'openai') return 'manual'
+  if (accountCategory.value === 'agent-identity') return 'codex_session'
+  if (accountCategory.value === 'codex-pat') return 'codex_pat'
+  return 'manual'
 })
 
 const isGrokSSOInputMethod = computed(() => form.platform === 'grok' && oauthFlowRef.value?.inputMethod === 'sso_cookie')
@@ -4095,7 +4160,7 @@ watch(
     }
     if ((form.platform === 'gemini' || form.platform === 'anthropic') && category === 'service_account') {
       form.type = 'service_account' as AccountType
-    } else if (category === 'oauth-based') {
+    } else if (category === 'oauth-based' || category === 'agent-identity' || category === 'codex-pat') {
       form.type = form.platform === 'anthropic' ? method as AccountType : 'oauth'
     } else {
       form.type = 'apikey'
@@ -4196,7 +4261,7 @@ watch(
 watch(
   [accountCategory, () => form.platform],
   ([category, platform]) => {
-    if (platform === 'openai' && category !== 'oauth-based') {
+    if (platform === 'openai' && category !== 'oauth-based' && category !== 'agent-identity' && category !== 'codex-pat') {
       codexCLIOnlyEnabled.value = false
       codexCLIOnlyAppServerEnabled.value = false
     }
@@ -5445,6 +5510,27 @@ const formatCodexImportMessages = (messages?: CodexSessionImportMessage[]) => {
     .join('\n')
 }
 
+const isAgentIdentityImportContent = (content: string) => {
+  const isAgentIdentityValue = (value: unknown): boolean => {
+    if (Array.isArray(value)) return value.length > 0 && value.every(isAgentIdentityValue)
+    if (!value || typeof value !== 'object') return false
+    const record = value as Record<string, unknown>
+    return record.auth_mode === 'agentIdentity' && !!record.agent_identity && typeof record.agent_identity === 'object'
+  }
+
+  try {
+    return isAgentIdentityValue(JSON.parse(content))
+  } catch {
+    const lines = content.split('\n').map((line) => line.trim()).filter(Boolean)
+    if (lines.length === 0) return false
+    try {
+      return lines.every((line) => isAgentIdentityValue(JSON.parse(line)))
+    } catch {
+      return false
+    }
+  }
+}
+
 const handleOpenAIImportCodexSession = async (content: string) => {
   const oauthClient = openaiOAuth
   const trimmed = content.trim()
@@ -5452,6 +5538,10 @@ const handleOpenAIImportCodexSession = async (content: string) => {
     oauthClient.error.value = t('admin.accounts.oauth.openai.codexSessionEmpty')
     return
   }
+  if (accountCategory.value === 'agent-identity' && !isAgentIdentityImportContent(trimmed)) {
+    oauthClient.error.value = t('admin.accounts.oauth.openai.agentIdentityInvalid')
+    return
+  }
 
   const credentialExtras = buildOpenAICodexImportCredentialExtras()
   if (credentialExtras === null) {
diff --git a/frontend/src/components/account/OAuthAuthorizationFlow.vue b/frontend/src/components/account/OAuthAuthorizationFlow.vue
index 395b4ae923..6932c607f8 100644
--- a/frontend/src/components/account/OAuthAuthorizationFlow.vue
+++ b/frontend/src/components/account/OAuthAuthorizationFlow.vue
@@ -282,7 +282,7 @@
             class="rounded-lg border border-blue-300 bg-white/80 p-4 dark:border-blue-600 dark:bg-gray-800/80"
           >
             <p class="mb-3 text-sm text-blue-700 dark:text-blue-300">
-              {{ t('admin.accounts.oauth.openai.codexSessionDesc') }}
+              {{ t(agentIdentityOnly ? 'admin.accounts.oauth.openai.agentIdentityDesc' : 'admin.accounts.oauth.openai.codexSessionDesc') }}
             </p>
 
             <div class="mb-4">
@@ -290,7 +290,7 @@
                 class="mb-2 flex items-center gap-2 text-sm font-semibold text-gray-700 dark:text-gray-300"
               >
                 <Icon name="key" size="sm" class="text-blue-500" />
-                {{ t('admin.accounts.oauth.openai.codexSessionInputLabel') }}
+                {{ t(agentIdentityOnly ? 'admin.accounts.oauth.openai.agentIdentityInputLabel' : 'admin.accounts.oauth.openai.codexSessionInputLabel') }}
                 <span
                   v-if="parsedCodexSessionCount > 1"
                   class="rounded-full bg-blue-500 px-2 py-0.5 text-xs text-white"
@@ -302,11 +302,11 @@
                 v-model="codexSessionInput"
                 rows="8"
                 class="input w-full resize-y font-mono text-sm"
-                :placeholder="t('admin.accounts.oauth.openai.codexSessionPlaceholder')"
+                :placeholder="t(agentIdentityOnly ? 'admin.accounts.oauth.openai.agentIdentityPlaceholder' : 'admin.accounts.oauth.openai.codexSessionPlaceholder')"
                 spellcheck="false"
               ></textarea>
               <p class="mt-1 text-xs text-blue-600 dark:text-blue-400">
-                {{ t('admin.accounts.oauth.openai.codexSessionHint') }}
+                {{ t(agentIdentityOnly ? 'admin.accounts.oauth.openai.agentIdentityHint' : 'admin.accounts.oauth.openai.codexSessionHint') }}
               </p>
             </div>
 
@@ -828,6 +828,8 @@ interface Props {
   initialInputMethod?: AuthInputMethod
   platform?: AccountPlatform // Platform type for different UI/text
   showProjectId?: boolean // New prop to control project ID visibility
+  titleOverride?: string
+  agentIdentityOnly?: boolean
 }
 
 const props = withDefaults(defineProps<Props>(), {
@@ -850,7 +852,9 @@ const props = withDefaults(defineProps<Props>(), {
   showManualOption: true,
   initialInputMethod: 'manual',
   platform: 'anthropic',
-  showProjectId: true
+  showProjectId: true,
+  titleOverride: '',
+  agentIdentityOnly: false
 })
 
 const emit = defineEmits<{
@@ -881,7 +885,7 @@ const getOAuthKey = (key: string) => {
 }
 
 // Computed translations for current platform
-const oauthTitle = computed(() => t(getOAuthKey('title')))
+const oauthTitle = computed(() => props.titleOverride || t(getOAuthKey('title')))
 const oauthFollowSteps = computed(() => t(getOAuthKey('followSteps')))
 const oauthStep1GenerateUrl = computed(() => t(getOAuthKey('step1GenerateUrl')))
 const oauthGenerateAuthUrl = computed(() => t(getOAuthKey('generateAuthUrl')))
diff --git a/frontend/src/components/account/__tests__/CreateAccountModal.spec.ts b/frontend/src/components/account/__tests__/CreateAccountModal.spec.ts
index 62c97d35a4..dcd34c0902 100644
--- a/frontend/src/components/account/__tests__/CreateAccountModal.spec.ts
+++ b/frontend/src/components/account/__tests__/CreateAccountModal.spec.ts
@@ -64,6 +64,14 @@ const BaseDialogStub = defineComponent({
 
 const OAuthAuthorizationFlowStub = defineComponent({
   name: 'OAuthAuthorizationFlow',
+  props: {
+    showManualOption: Boolean,
+    showCodexSessionImportOption: Boolean,
+    showCodexPatOption: Boolean,
+    initialInputMethod: String,
+    agentIdentityOnly: Boolean,
+    titleOverride: String,
+  },
   emits: ['import-codex-session', 'import-codex-pat'],
   template: `
     <div>
@@ -147,6 +155,38 @@ describe('CreateAccountModal OpenAI long-context billing', () => {
     expect(createAccountMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(false)
   })
 
+  it('shows Agent Identity as a separate OpenAI account type', async () => {
+    const wrapper = mountModal()
+    await selectButtonByText(wrapper, 'OpenAI')
+    await wrapper.get('[data-testid="openai-account-type-agent-identity"]').trigger('click')
+    await wrapper.get('form#create-account-form input[type="text"]').setValue('Agent Identity')
+    await wrapper.get('form#create-account-form').trigger('submit.prevent')
+
+    const flow = wrapper.getComponent(OAuthAuthorizationFlowStub)
+    expect(flow.props('showManualOption')).toBe(false)
+    expect(flow.props('showCodexSessionImportOption')).toBe(true)
+    expect(flow.props('showCodexPatOption')).toBe(false)
+    expect(flow.props('initialInputMethod')).toBe('codex_session')
+    expect(flow.props('agentIdentityOnly')).toBe(true)
+    expect(flow.props('titleOverride')).toBe('Agent Identity')
+  })
+
+  it('shows Codex PAT as a separate OpenAI account type', async () => {
+    const wrapper = mountModal()
+    await selectButtonByText(wrapper, 'OpenAI')
+    await wrapper.get('[data-testid="openai-account-type-codex-pat"]').trigger('click')
+    await wrapper.get('form#create-account-form input[type="text"]').setValue('Codex PAT')
+    await wrapper.get('form#create-account-form').trigger('submit.prevent')
+
+    const flow = wrapper.getComponent(OAuthAuthorizationFlowStub)
+    expect(flow.props('showManualOption')).toBe(false)
+    expect(flow.props('showCodexSessionImportOption')).toBe(false)
+    expect(flow.props('showCodexPatOption')).toBe(true)
+    expect(flow.props('initialInputMethod')).toBe('codex_pat')
+    expect(flow.props('agentIdentityOnly')).toBe(false)
+    expect(flow.props('titleOverride')).toBe('Codex PAT')
+  })
+
   it('sends true explicitly when OpenAI long-context billing is enabled', async () => {
     await submitApiKeyAccount('openai', true)
 
diff --git a/frontend/src/i18n/locales/en/admin/accounts.ts b/frontend/src/i18n/locales/en/admin/accounts.ts
index 6b0fa554f9..14233f1f6a 100644
--- a/frontend/src/i18n/locales/en/admin/accounts.ts
+++ b/frontend/src/i18n/locales/en/admin/accounts.ts
@@ -108,6 +108,8 @@ export default {
       types: {
         oauth: 'OAuth',
         chatgptOauth: 'ChatGPT OAuth',
+        agentIdentity: 'Import Codex auth.json',
+        codexPat: 'Personal access token',
         responsesApi: 'Responses API',
         googleOauth: 'Google OAuth',
         codeAssist: 'Code Assist',
@@ -825,16 +827,21 @@ export default {
           refreshTokenAuth: 'Manual RT Input',
           refreshTokenDesc: 'Enter your existing OpenAI Refresh Token(s). Supports batch input (one per line). The system will automatically validate and create accounts.',
           refreshTokenPlaceholder: 'Paste your OpenAI Refresh Token...\nSupports multiple, one per line',
-          codexSessionAuth: 'Codex auth.json / AT Import',
-          codexSessionDesc: 'Paste a Codex auth.json (OAuth or Agent Identity) or an accessToken. Accounts use the step 1 settings.',
-          codexSessionInputLabel: 'Codex auth.json or accessToken',
+          codexSessionAuth: 'Codex OAuth auth.json / AT Import',
+          codexSessionDesc: 'Paste a Codex OAuth auth.json or an accessToken. Accounts use the step 1 settings.',
+          codexSessionInputLabel: 'Codex OAuth auth.json or accessToken',
           codexSessionPlaceholder: 'Multiple lines supported, one token or auth.json object per line',
-          codexSessionHint: 'Agent Identity keeps no OAuth token and signs each upstream request dynamically. Session/access-token imports retain their existing expiration behavior.',
+          codexSessionHint: 'OAuth session/access-token imports retain their existing expiration behavior.',
           codexSessionImportAndCreate: 'Import & Create Account',
           codexSessionEmpty: 'Please enter a Codex auth.json or accessToken',
           codexSessionImportFailed: 'Failed to import Codex account',
           codexSessionImportSuccess: 'Import completed: created {created}, updated {updated}, skipped {skipped}',
           codexSessionImportPartial: 'Partial success: created {created}, updated {updated}, skipped {skipped}, failed {failed}',
+          agentIdentityDesc: 'Import a Codex Agent Identity auth.json. No OAuth access or refresh token is stored.',
+          agentIdentityInputLabel: 'Agent Identity auth.json',
+          agentIdentityPlaceholder: 'Paste one Agent Identity auth.json object',
+          agentIdentityHint: 'The file must use auth_mode=agentIdentity. Upstream requests are signed dynamically.',
+          agentIdentityInvalid: 'Use a Codex auth.json with auth_mode=agentIdentity.',
           codexPatAuth: 'Codex Personal Access Token',
           codexPatDesc: 'Enter a Codex at- personal access token. The system validates it with OpenAI whoami before creating the account.',
           codexPatInputLabel: 'Codex PAT',
diff --git a/frontend/src/i18n/locales/zh/admin/accounts.ts b/frontend/src/i18n/locales/zh/admin/accounts.ts
index bb6b309123..c873edc861 100644
--- a/frontend/src/i18n/locales/zh/admin/accounts.ts
+++ b/frontend/src/i18n/locales/zh/admin/accounts.ts
@@ -227,6 +227,8 @@ export default {
       types: {
         oauth: 'OAuth',
         chatgptOauth: 'ChatGPT OAuth',
+        agentIdentity: '导入 Codex auth.json',
+        codexPat: '个人访问令牌',
         responsesApi: 'Responses API',
         googleOauth: 'Google OAuth',
         codeAssist: 'Code Assist',
@@ -912,16 +914,21 @@ export default {
           refreshTokenAuth: '手动输入 RT',
           refreshTokenDesc: '输入您已有的 OpenAI Refresh Token，支持批量输入（每行一个），系统将自动验证并创建账号。',
           refreshTokenPlaceholder: '粘贴您的 OpenAI Refresh Token...\n支持多个，每行一个',
-          codexSessionAuth: 'Codex auth.json / AT 导入',
-          codexSessionDesc: '粘贴 Codex auth.json（OAuth 或 Agent Identity）或 accessToken，按第一步配置创建账号。',
-          codexSessionInputLabel: 'Codex auth.json 或 accessToken',
+          codexSessionAuth: 'Codex OAuth auth.json / AT 导入',
+          codexSessionDesc: '粘贴 Codex OAuth auth.json 或 accessToken，按第一步配置创建账号。',
+          codexSessionInputLabel: 'Codex OAuth auth.json 或 accessToken',
           codexSessionPlaceholder: '支持多行，每行一个 token 或 auth.json 对象',
-          codexSessionHint: 'Agent Identity 不保存 OAuth token，并为每次上游请求动态签名；session/accessToken 导入继续沿用原有过期规则。',
+          codexSessionHint: 'OAuth session/accessToken 导入继续沿用原有过期规则。',
           codexSessionImportAndCreate: '导入并创建账号',
           codexSessionEmpty: '请输入 Codex auth.json 或 accessToken',
           codexSessionImportFailed: 'Codex 账号导入失败',
           codexSessionImportSuccess: '导入完成：新增 {created}，更新 {updated}，跳过 {skipped}',
           codexSessionImportPartial: '部分成功：新增 {created}，更新 {updated}，跳过 {skipped}，失败 {failed}',
+          agentIdentityDesc: '导入 Codex Agent Identity auth.json，不保存 OAuth access token 或 refresh token。',
+          agentIdentityInputLabel: 'Agent Identity auth.json',
+          agentIdentityPlaceholder: '粘贴一个 Agent Identity auth.json 对象',
+          agentIdentityHint: '文件必须使用 auth_mode=agentIdentity；每次上游请求都会动态签名。',
+          agentIdentityInvalid: '请选择 auth_mode=agentIdentity 的 Codex auth.json。',
           codexPatAuth: 'Codex Personal Access Token',
           codexPatDesc: '输入 Codex at- Personal Access Token，系统会先调用 OpenAI whoami 校验后再创建账号。',
           codexPatInputLabel: 'Codex PAT',