fix(frontend): edit grok oauth model mapping

frontend/src/components/account/EditAccountModal.vue

@@ -419,9 +419,9 @@
 
       </div>
 
-      <!-- OpenAI OAuth Model Mapping (OAuth 类型没有 apikey 容器，需要独立的模型映射区域) -->
+      <!-- OpenAI/Grok OAuth Model Mapping (OAuth 类型没有 apikey 容器，需要独立的模型映射区域) -->
       <div
-        v-if="account.platform === 'openai' && account.type === 'oauth'"
+        v-if="(account.platform === 'openai' || account.platform === 'grok') && account.type === 'oauth'"
         class="border-t border-gray-200 pt-4 dark:border-dark-600"
       >
         <label class="input-label">{{ t('admin.accounts.modelRestriction') }}</label>
@@ -3244,8 +3244,8 @@ const syncFormFromAccount = (newAccount: Account | null) => {
           : 'https://api.anthropic.com'
     editBaseUrl.value = platformDefaultUrl
 
-    // Load model mappings for OpenAI OAuth accounts
-    if (newAccount.platform === 'openai' && newAccount.credentials) {
+    // Load model mappings for OpenAI/Grok OAuth accounts
+    if ((newAccount.platform === 'openai' || newAccount.platform === 'grok') && newAccount.credentials) {
       const oauthCredentials = newAccount.credentials as Record<string, unknown>
       loadModelRestrictionFromMapping(oauthCredentials.model_mapping as Record<string, unknown> | undefined)
     } else {
@@ -3972,14 +3972,23 @@ const handleSubmit = async () => {
       updatePayload.credentials = newCredentials
     }
 
-    // OpenAI OAuth: persist model mapping to credentials
-    if (props.account.platform === 'openai' && props.account.type === 'oauth') {
+    // OpenAI/Grok OAuth: persist model mapping to credentials
+    if ((props.account.platform === 'openai' || props.account.platform === 'grok') && props.account.type === 'oauth') {
       const currentCredentials = isSparkShadow.value
         ? {}
         : (updatePayload.credentials as Record<string, unknown>) ||
           ((props.account.credentials as Record<string, unknown>) || {})
       const newCredentials: Record<string, unknown> = { ...currentCredentials }
-      applyOpenAIModelMappingCredentials(newCredentials)
+      if (props.account.platform === 'openai') {
+        applyOpenAIModelMappingCredentials(newCredentials)
+      } else {
+        const modelMapping = buildModelRestrictionMapping()
+        if (modelMapping) {
+          newCredentials.model_mapping = modelMapping
+        } else {
+          delete newCredentials.model_mapping
+        }
+      }
 
       updatePayload.credentials = newCredentials
     }

frontend/src/components/account/__tests__/EditAccountModal.spec.ts

@@ -241,6 +241,32 @@ function buildAntigravityAccount(projectId = 'configured-project') {
   } as any
 }
 
+function buildGrokOAuthAccount() {
+  return {
+    id: 5,
+    name: 'Grok OAuth',
+    notes: '',
+    platform: 'grok',
+    type: 'oauth',
+    credentials: {
+      refresh_token: 'grok-rt',
+      base_url: 'https://api.x.ai/v1',
+      model_mapping: {
+        'grok-latest': 'grok-4.3'
+      }
+    },
+    extra: {},
+    proxy_id: null,
+    concurrency: 1,
+    priority: 1,
+    rate_multiplier: 1,
+    status: 'active',
+    group_ids: [],
+    expires_at: null,
+    auto_pause_on_expired: false
+  } as any
+}
+
 function buildOpenAISetupTokenAccount() {
   return {
     ...buildAccount(),
@@ -357,6 +383,35 @@ describe('EditAccountModal', () => {
     })
   })
 
+  it('loads and submits Grok OAuth model mapping edits', async () => {
+    const account = buildGrokOAuthAccount()
+    updateAccountMock.mockReset()
+    checkMixedChannelRiskMock.mockReset()
+    checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+    updateAccountMock.mockResolvedValue(account)
+
+    const wrapper = mountModal(account)
+    expect(wrapper.text()).toContain('Imagine Image')
+    expect(wrapper.text()).toContain('Imagine Video')
+
+    const inputWithValue = (value: string) => {
+      const input = wrapper
+        .findAll('input')
+        .find((input) => (input.element as HTMLInputElement).value === value)
+      expect(input).toBeTruthy()
+      return input!
+    }
+
+    await inputWithValue('grok-latest').setValue('grok')
+    await inputWithValue('grok-4.3').setValue('grok-build-0.1')
+    await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+    expect(updateAccountMock).toHaveBeenCalledTimes(1)
+    expect(updateAccountMock.mock.calls[0]?.[1]?.credentials?.model_mapping).toEqual({
+      grok: 'grok-build-0.1'
+    })
+  })
+
   it('only submits model mapping credentials when saving an OpenAI spark shadow account', async () => {
     authIsSimpleMode.value = false
     const account = buildOpenAISparkShadowAccount()