fix(grok): 移除账号类型页 SSO 卡片入口

SSO 仅作为 OAuth 流程内的输入方式，避免与 OAuth/API Key 卡片风格冲突。

frontend/src/components/account/CreateAccountModal.vue

@@ -50,7 +50,7 @@
         <input
           v-model="form.name"
           type="text"
-          :required="!isGrokSSOImport"
+          :required="!isGrokSSOInputMethod"
           class="input"
           :placeholder="t('admin.accounts.enterAccountName')"
           data-tour="account-form-name"
@@ -355,7 +355,7 @@
       <!-- Account Type Selection (Grok) -->
       <div v-if="form.platform === 'grok'">
         <label class="input-label">{{ t('admin.accounts.accountType') }}</label>
-        <div class="mt-2 grid grid-cols-1 gap-3 sm:grid-cols-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'"
@@ -382,36 +382,6 @@
             </div>
           </button>
 
-          <button
-            type="button"
-            @click="accountCategory = 'sso_cookie'"
-            :class="[
-              'flex items-center gap-3 rounded-lg border-2 p-3 text-left transition-all',
-              accountCategory === 'sso_cookie'
-                ? 'border-teal-500 bg-teal-50 dark:bg-teal-900/20'
-                : 'border-gray-200 hover:border-teal-300 dark:border-dark-600 dark:hover:border-teal-700'
-            ]"
-          >
-            <div
-              :class="[
-                'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg',
-                accountCategory === 'sso_cookie'
-                  ? 'bg-teal-500 text-white'
-                  : 'bg-gray-100 text-gray-500 dark:bg-dark-600 dark:text-gray-400'
-              ]"
-            >
-              <Icon name="link" size="sm" />
-            </div>
-            <div>
-              <span class="block text-sm font-medium text-gray-900 dark:text-white">
-                {{ t('admin.accounts.oauth.grok.ssoCookieAuth') }}
-              </span>
-              <span class="text-xs text-gray-500 dark:text-gray-400">
-                {{ t('admin.accounts.oauth.grok.ssoCookieHint') }}
-              </span>
-            </div>
-          </button>
-
           <button
             type="button"
             data-testid="grok-account-type-api-key"
@@ -3110,15 +3080,15 @@
         :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' && !isGrokSSOImport)"
+        :show-refresh-token-option="form.platform === 'openai' || form.platform === 'antigravity' || form.platform === 'grok'"
         :show-mobile-refresh-token-option="form.platform === 'openai'"
         :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-sso-option="form.platform === 'grok'"
-        :show-manual-option="!isGrokSSOImport"
-        :initial-input-method="initialOAuthInputMethod"
+        :show-manual-option="true"
+        :initial-input-method="'manual'"
         :platform="form.platform"
         :show-project-id="geminiOAuthType === 'code_assist'"
         @generate-url="handleGenerateUrl"
@@ -3630,7 +3600,7 @@ interface TempUnschedRuleForm {
 // State
 const step = ref(1)
 const submitting = ref(false)
-const accountCategory = ref<'oauth-based' | 'apikey' | 'bedrock' | 'service_account' | 'sso_cookie'>('oauth-based') // UI selection for account category
+const accountCategory = ref<'oauth-based' | '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('')
@@ -4008,12 +3978,10 @@ const isOAuthFlow = computed(() => {
   if (form.platform === 'anthropic' && accountCategory.value === 'bedrock') {
     return false
   }
-  return accountCategory.value === 'oauth-based' || (form.platform === 'grok' && accountCategory.value === 'sso_cookie')
+  return accountCategory.value === 'oauth-based'
 })
 
-const isGrokSSOImport = computed(() => form.platform === 'grok' && accountCategory.value === 'sso_cookie')
-
-const initialOAuthInputMethod = computed<AuthInputMethod>(() => isGrokSSOImport.value ? 'sso_cookie' : 'manual')
+const isGrokSSOInputMethod = computed(() => form.platform === 'grok' && oauthFlowRef.value?.inputMethod === 'sso_cookie')
 
 const isManualInputMethod = computed(() => {
   return oauthFlowRef.value?.inputMethod === 'manual'
@@ -4088,7 +4056,7 @@ watch(
     }
     if ((form.platform === 'gemini' || form.platform === 'anthropic') && category === 'service_account') {
       form.type = 'service_account' as AccountType
-    } else if (category === 'oauth-based' || (form.platform === 'grok' && category === 'sso_cookie')) {
+    } else if (category === 'oauth-based') {
       form.type = form.platform === 'anthropic' ? method as AccountType : 'oauth'
     } else {
       form.type = 'apikey'
@@ -4142,9 +4110,6 @@ watch(
     if (newPlatform !== 'anthropic' && accountCategory.value === 'bedrock') {
       accountCategory.value = 'oauth-based'
     }
-    if (newPlatform !== 'grok' && accountCategory.value === 'sso_cookie') {
-      accountCategory.value = 'oauth-based'
-    }
     // Reset Bedrock fields when switching platforms
     bedrockAccessKeyId.value = ''
     bedrockSecretAccessKey.value = ''
@@ -4808,7 +4773,7 @@ const handleVertexServiceAccountDrop = async (event: DragEvent) => {
 const handleSubmit = async () => {
   // For OAuth-based type, handle OAuth flow (goes to step 2)
   if (isOAuthFlow.value) {
-    if (!isGrokSSOImport.value && !form.name.trim()) {
+    if (!isGrokSSOInputMethod.value && !form.name.trim()) {
       appStore.showError(t('admin.accounts.pleaseEnterAccountName'))
       return
     }