fix(billing): 默认关闭 OpenAI 长上下文计费

frontend/src/components/account/CreateAccountModal.vue

@@ -2840,7 +2840,7 @@
             data-testid="openai-long-context-billing-toggle"
             role="switch"
             :aria-checked="openAILongContextBillingEnabled"
-            @click="openAILongContextBillingEnabled = !openAILongContextBillingEnabled"
+            @click="toggleOpenAILongContextBilling"
             :class="[
               'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
               openAILongContextBillingEnabled ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
@@ -3708,7 +3708,8 @@ const fillHeaderOverrideTemplate = () => {
 const interceptWarmupRequests = ref(false)
 const autoPauseOnExpired = ref(true)
 const openaiPassthroughEnabled = ref(false)
-const openAILongContextBillingEnabled = ref(true)
+const openAILongContextBillingEnabled = ref(false)
+const openAILongContextBillingTouched = ref(false)
 const openAICompactMode = ref<OpenAICompactMode>('auto')
 const openAIResponsesMode = ref<OpenAIResponsesMode>('auto')
 const openAIEndpointCapabilities = ref<OpenAIEndpointCapability[]>(['chat_completions', 'embeddings'])
@@ -3721,6 +3722,11 @@ const anthropicPassthroughEnabled = ref(false)
 const anthropicAPIKeyAuthScheme = ref<AnthropicAPIKeyAuthScheme>('x_api_key')
 const webSearchEmulationMode = ref('default')
 const webSearchGlobalEnabled = ref(false)
+
+const toggleOpenAILongContextBilling = () => {
+  openAILongContextBillingEnabled.value = !openAILongContextBillingEnabled.value
+  openAILongContextBillingTouched.value = true
+}
 const {
   globalEnabled: quotaNotifyGlobalEnabled,
   state: quotaNotifyState,
@@ -4563,7 +4569,8 @@ const resetForm = () => {
   interceptWarmupRequests.value = false
   autoPauseOnExpired.value = true
   openaiPassthroughEnabled.value = false
-  openAILongContextBillingEnabled.value = true
+  openAILongContextBillingEnabled.value = false
+  openAILongContextBillingTouched.value = false
   openAICompactMode.value = 'auto'
   openAIResponsesMode.value = 'auto'
   openAIEndpointCapabilities.value = ['chat_completions', 'embeddings']
@@ -4687,7 +4694,9 @@ const buildOpenAICodexImportExtra = (): Record<string, unknown> | undefined => {
   if (!extra) {
     return undefined
   }
-  delete extra.openai_long_context_billing_enabled
+  if (!openAILongContextBillingTouched.value) {
+    delete extra.openai_long_context_billing_enabled
+  }
   return Object.keys(extra).length > 0 ? extra : undefined
 }
 

frontend/src/components/account/EditAccountModal.vue

@@ -1786,9 +1786,9 @@
         />
       </div>
 
-      <!-- OpenAI OAuth Codex 官方客户端限制开关 -->
+      <!-- OpenAI API 长上下文计费开关 -->
       <div
-        v-if="account?.platform === 'openai' && (account?.type === 'oauth' || account?.type === 'setup-token' || account?.type === 'apikey')"
+        v-if="account?.platform === 'openai' && !isSparkShadow && (account?.type === 'oauth' || account?.type === 'setup-token' || account?.type === 'apikey')"
         class="border-t border-gray-200 pt-4 dark:border-dark-600"
       >
         <div class="flex items-center justify-between gap-4">
@@ -2815,7 +2815,7 @@ const customBaseUrl = ref('')
 
 // OpenAI 自动透传开关（OAuth/API Key）
 const openaiPassthroughEnabled = ref(false)
-const openAILongContextBillingEnabled = ref(true)
+const openAILongContextBillingEnabled = ref(false)
 // OpenAI 订阅档位（Plus/Pro/Free）手动覆盖值,存于 credentials.plan_type;'' 表示清空/自动识别
 const editPlanType = ref<string>('')
 const openAICompactMode = ref<OpenAICompactMode>('auto')
@@ -3249,7 +3249,7 @@ const syncFormFromAccount = (newAccount: Account | null) => {
 
   // Load OpenAI passthrough toggle (OpenAI OAuth/SetupToken/API Key)
   openaiPassthroughEnabled.value = false
-  openAILongContextBillingEnabled.value = true
+  openAILongContextBillingEnabled.value = false
   editPlanType.value = ''
   openAICompactMode.value = 'auto'
   openAIResponsesMode.value = 'auto'
@@ -3266,7 +3266,7 @@ const syncFormFromAccount = (newAccount: Account | null) => {
   if (newAccount.platform === 'openai' && (newAccount.type === 'oauth' || newAccount.type === 'setup-token' || newAccount.type === 'apikey')) {
     openaiPassthroughEnabled.value = extra?.openai_passthrough === true || extra?.openai_oauth_passthrough === true
     const longContextBillingValue = extra?.openai_long_context_billing_enabled
-    openAILongContextBillingEnabled.value = longContextBillingValue === undefined || longContextBillingValue === true
+    openAILongContextBillingEnabled.value = longContextBillingValue === true
     // plan_type 手动覆盖仅 OAuth 有实际调度语义(IsOpenAIChatGPTSubscription 要求 oauth),故只对 oauth 回填
     editPlanType.value = newAccount.type === 'oauth'
       ? readPlanType(newAccount.credentials as Record<string, unknown> | undefined)
@@ -4437,7 +4437,11 @@ const handleSubmit = async () => {
         delete newExtra.openai_passthrough
         delete newExtra.openai_oauth_passthrough
       }
-      newExtra.openai_long_context_billing_enabled = openAILongContextBillingEnabled.value
+      if (isSparkShadow.value) {
+        delete newExtra.openai_long_context_billing_enabled
+      } else {
+        newExtra.openai_long_context_billing_enabled = openAILongContextBillingEnabled.value
+      }
       if (openAICompactMode.value === 'auto') {
         delete newExtra.openai_compact_mode
       } else {

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

@@ -100,7 +100,7 @@ async function selectButtonByText(wrapper: ReturnType<typeof mountModal>, text:
   await button?.trigger('click')
 }
 
-async function submitApiKeyAccount(platform: 'openai' | 'anthropic', disableLongContextBilling = false) {
+async function submitApiKeyAccount(platform: 'openai' | 'anthropic', enableLongContextBilling = false) {
   const wrapper = mountModal()
   await selectButtonByText(wrapper, platform === 'openai' ? 'OpenAI' : 'admin.accounts.claudeConsole')
   if (platform === 'openai') {
@@ -108,16 +108,19 @@ async function submitApiKeyAccount(platform: 'openai' | 'anthropic', disableLong
   }
   await wrapper.get('form#create-account-form input[type="text"]').setValue(`${platform} account`)
   await wrapper.get('form#create-account-form input[type="password"]').setValue('test-api-key')
-  if (disableLongContextBilling) {
+  if (enableLongContextBilling) {
     await wrapper.get('[data-testid="openai-long-context-billing-toggle"]').trigger('click')
   }
   await wrapper.get('form#create-account-form').trigger('submit.prevent')
   await flushPromises()
 }
 
-async function openCodexImportStep() {
+async function openCodexImportStep(toggleClicks = 0) {
   const wrapper = mountModal()
   await selectButtonByText(wrapper, 'OpenAI')
+  for (let click = 0; click < toggleClicks; click += 1) {
+    await wrapper.get('[data-testid="openai-long-context-billing-toggle"]').trigger('click')
+  }
   await wrapper.get('form#create-account-form input[type="text"]').setValue('Codex import')
   await wrapper.get('form#create-account-form').trigger('submit.prevent')
   return wrapper
@@ -137,18 +140,18 @@ describe('CreateAccountModal OpenAI long-context billing', () => {
     createOpenAICodexPATMock.mockReset().mockResolvedValue({})
   })
 
-  it('sends true explicitly for normal OpenAI account creation by default', async () => {
+  it('sends false explicitly for normal OpenAI account creation by default', async () => {
     await submitApiKeyAccount('openai')
 
     expect(createAccountMock).toHaveBeenCalledTimes(1)
-    expect(createAccountMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(true)
+    expect(createAccountMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(false)
   })
 
-  it('sends false explicitly when OpenAI long-context billing is disabled', async () => {
+  it('sends true explicitly when OpenAI long-context billing is enabled', async () => {
     await submitApiKeyAccount('openai', true)
 
     expect(createAccountMock).toHaveBeenCalledTimes(1)
-    expect(createAccountMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(false)
+    expect(createAccountMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(true)
   })
 
   it('omits the OpenAI setting for non-OpenAI account creation', async () => {
@@ -175,4 +178,36 @@ describe('CreateAccountModal OpenAI long-context billing', () => {
     expect(createOpenAICodexPATMock).toHaveBeenCalledTimes(1)
     expect(createOpenAICodexPATMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBeUndefined()
   })
+
+  it('sends explicit true for Codex session import after the toggle is enabled', async () => {
+    const wrapper = await openCodexImportStep(1)
+    await wrapper.get('[data-testid="import-codex-session"]').trigger('click')
+    await flushPromises()
+
+    expect(importCodexSessionMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(true)
+  })
+
+  it('sends explicit false for Codex session import after the toggle is changed back', async () => {
+    const wrapper = await openCodexImportStep(2)
+    await wrapper.get('[data-testid="import-codex-session"]').trigger('click')
+    await flushPromises()
+
+    expect(importCodexSessionMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(false)
+  })
+
+  it('sends explicit true for Codex PAT import after the toggle is enabled', async () => {
+    const wrapper = await openCodexImportStep(1)
+    await wrapper.get('[data-testid="import-codex-pat"]').trigger('click')
+    await flushPromises()
+
+    expect(createOpenAICodexPATMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(true)
+  })
+
+  it('sends explicit false for Codex PAT import after the toggle is changed back', async () => {
+    const wrapper = await openCodexImportStep(2)
+    await wrapper.get('[data-testid="import-codex-pat"]').trigger('click')
+    await flushPromises()
+
+    expect(createOpenAICodexPATMock.mock.calls[0]?.[0]?.extra?.openai_long_context_billing_enabled).toBe(false)
+  })
 })

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

@@ -416,7 +416,7 @@ describe('EditAccountModal', () => {
     expect(updateAccountMock.mock.calls[0]?.[1]?.extra?.openai_long_context_billing_enabled).toBe(false)
   })
 
-  it('defaults legacy OpenAI accounts to long-context billing enabled', async () => {
+  it('defaults legacy OpenAI accounts to long-context billing disabled', async () => {
     const account = buildAccount()
     updateAccountMock.mockReset()
     checkMixedChannelRiskMock.mockReset()
@@ -425,12 +425,33 @@ describe('EditAccountModal', () => {
 
     const wrapper = mountModal(account)
     const toggle = wrapper.get('[data-testid="openai-long-context-billing-toggle"]')
-    expect(toggle.attributes('aria-checked')).toBe('true')
+    expect(toggle.attributes('aria-checked')).toBe('false')
 
     await wrapper.get('form#edit-account-form').trigger('submit.prevent')
 
     expect(updateAccountMock).toHaveBeenCalledTimes(1)
-    expect(updateAccountMock.mock.calls[0]?.[1]?.extra?.openai_long_context_billing_enabled).toBe(true)
+    expect(updateAccountMock.mock.calls[0]?.[1]?.extra?.openai_long_context_billing_enabled).toBe(false)
+  })
+
+  it('does not render or submit the long-context billing toggle for Spark shadow accounts', async () => {
+    const account = buildOpenAISparkShadowAccount()
+    account.extra = {
+      openai_long_context_billing_enabled: false
+    }
+    updateAccountMock.mockReset()
+    checkMixedChannelRiskMock.mockReset()
+    checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+    updateAccountMock.mockResolvedValue(account)
+    const wrapper = mountModal(account)
+
+    expect(wrapper.find('[data-testid="openai-long-context-billing-toggle"]').exists()).toBe(false)
+
+    await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+    expect(updateAccountMock).toHaveBeenCalledTimes(1)
+    expect(updateAccountMock.mock.calls[0]?.[1]?.extra).not.toHaveProperty(
+      'openai_long_context_billing_enabled'
+    )
   })
 
   it('preserves an explicit OpenAI long-context billing opt-out', async () => {

frontend/src/i18n/locales/en/admin/accounts.ts

@@ -404,7 +404,7 @@ export default {
           'When enabled, this OpenAI account uses automatic passthrough: the gateway forwards request/response as-is and only swaps auth, while keeping billing/concurrency/audit and necessary safety filtering.',
         longContextBilling: 'API long-context pricing',
         longContextBillingDesc:
-          'Enabled by default. Disable only when this account\'s upstream does not charge OpenAI API long-context rates above the model threshold.',
+          'Disabled by default. Enable only when this account\'s upstream charges OpenAI API long-context rates above the model threshold.',
         responsesWebsocketsV2: 'Responses WebSocket v2',
         responsesWebsocketsV2Desc:
           'Disabled by default. Enable to allow responses_websockets_v2 capability (still gated by global and account-type switches).',

frontend/src/i18n/locales/zh/admin/accounts.ts

@@ -506,7 +506,7 @@ export default {
         oauthPassthroughDesc:
           '开启后，该 OpenAI 账号将自动透传请求与响应，仅替换认证并保留计费/并发/审计及必要安全过滤；如遇兼容性问题可随时关闭回滚。',
         longContextBilling: 'API 长上下文计费',
-        longContextBillingDesc: '默认开启。仅当该账号的上游不会按模型阈值收取 OpenAI API 长上下文费率时关闭。',
+        longContextBillingDesc: '默认关闭。仅当该账号的上游会按模型阈值收取 OpenAI API 长上下文费率时开启。',
         responsesWebsocketsV2: 'Responses WebSocket v2',
         responsesWebsocketsV2Desc:
           '默认关闭。开启后可启用 responses_websockets_v2 协议能力（受网关全局开关与账号类型开关约束）。',