feat: add Codex image tool strip policy

frontend/src/components/account/EditAccountModal.vue

@@ -1430,6 +1430,58 @@
         </div>
       </div>
 
+      <!-- OpenAI Codex 显式 image_generation tool 策略 -->
+      <div
+        v-if="account?.platform === 'openai' && (account?.type === 'oauth' || account?.type === 'setup-token' || account?.type === 'apikey')"
+        class="border-t border-gray-200 pt-4 dark:border-dark-600"
+      >
+        <div class="overflow-hidden rounded-lg border border-gray-200 bg-white shadow-sm dark:border-dark-600 dark:bg-dark-800">
+          <div class="flex items-start gap-3 px-4 py-3">
+            <div class="mt-0.5 flex h-9 w-9 shrink-0 items-center justify-center rounded-md bg-gray-50 text-slate-600 ring-1 ring-gray-200 dark:bg-dark-700 dark:text-slate-300 dark:ring-dark-600">
+              <Icon name="filter" size="sm" />
+            </div>
+            <div class="min-w-0 flex-1">
+              <label class="input-label mb-0">{{ t('admin.accounts.openai.codexImageToolPolicy') }}</label>
+              <p class="mt-1 text-xs leading-5 text-slate-600 dark:text-slate-300">
+                {{ t('admin.accounts.openai.codexImageToolPolicyDesc') }}
+              </p>
+            </div>
+          </div>
+          <div class="border-t border-gray-200 bg-gray-50/70 p-2 dark:border-dark-600 dark:bg-dark-700/50">
+            <div class="grid grid-cols-1 gap-2 sm:grid-cols-2">
+              <button
+                v-for="option in codexImageToolPolicyOptions"
+                :key="option.value"
+                type="button"
+                :data-testid="`codex-image-tool-policy-${option.value}`"
+                @click="codexImageToolPolicyMode = option.value"
+                :class="[
+                  'group flex min-h-[62px] items-start gap-2 rounded-md border px-3 py-2 text-left transition-all',
+                  codexImageToolPolicyMode === option.value
+                    ? 'border-slate-300 bg-white text-slate-900 shadow-sm ring-1 ring-slate-200 dark:border-slate-600 dark:bg-dark-800 dark:text-slate-100 dark:ring-dark-500'
+                    : 'border-transparent bg-transparent text-slate-600 hover:border-gray-200 hover:bg-white dark:text-slate-300 dark:hover:border-dark-500 dark:hover:bg-dark-800'
+                ]"
+              >
+                <span
+                  :class="[
+                    'mt-0.5 flex h-5 w-5 shrink-0 items-center justify-center rounded-full border transition-colors',
+                    codexImageToolPolicyMode === option.value
+                      ? 'border-slate-600 bg-slate-700 text-white dark:border-slate-400 dark:bg-slate-500'
+                      : 'border-gray-300 text-transparent group-hover:border-gray-400 dark:border-dark-500'
+                  ]"
+                >
+                  <Icon name="check" size="xs" :stroke-width="2" />
+                </span>
+                <span class="min-w-0">
+                  <span class="block text-sm font-medium">{{ option.label }}</span>
+                  <span class="mt-0.5 block text-xs leading-4 text-slate-500 dark:text-slate-400">{{ option.description }}</span>
+                </span>
+              </button>
+            </div>
+          </div>
+        </div>
+      </div>
+
       <!-- OpenAI WS Mode 三态（off/ctx_pool/passthrough） -->
       <div
         v-if="account?.platform === 'openai' && (account?.type === 'oauth' || account?.type === 'setup-token' || account?.type === 'apikey')"
@@ -2629,6 +2681,8 @@ const codexCLIOnlyEnabled = ref(false)
 const codexCLIOnlyAppServerEnabled = ref(false)
 type CodexImageGenerationBridgeMode = 'inherit' | 'enabled' | 'disabled'
 const codexImageGenerationBridgeMode = ref<CodexImageGenerationBridgeMode>('inherit')
+type CodexImageToolPolicyMode = 'allow' | 'strip'
+const codexImageToolPolicyMode = ref<CodexImageToolPolicyMode>('allow')
 type AnthropicAPIKeyAuthScheme = 'x_api_key' | 'authorization_bearer'
 const anthropicPassthroughEnabled = ref(false)
 const anthropicAPIKeyAuthScheme = ref<AnthropicAPIKeyAuthScheme>('x_api_key')
@@ -2703,6 +2757,22 @@ const codexImageGenerationBridgeOptions = computed<Array<{
     description: t('admin.accounts.openai.codexImageGenerationBridgeDisabledDesc')
   }
 ])
+const codexImageToolPolicyOptions = computed<Array<{
+  value: CodexImageToolPolicyMode
+  label: string
+  description: string
+}>>(() => [
+  {
+    value: 'allow',
+    label: t('admin.accounts.openai.codexImageToolPolicyAllow'),
+    description: t('admin.accounts.openai.codexImageToolPolicyAllowDesc')
+  },
+  {
+    value: 'strip',
+    label: t('admin.accounts.openai.codexImageToolPolicyStrip'),
+    description: t('admin.accounts.openai.codexImageToolPolicyStripDesc')
+  }
+])
 const codexImageGenerationBridgeBadgeLabel = computed(() => {
   switch (codexImageGenerationBridgeMode.value) {
     case 'enabled':
@@ -3036,6 +3106,7 @@ const syncFormFromAccount = (newAccount: Account | null) => {
   codexCLIOnlyEnabled.value = false
   codexCLIOnlyAppServerEnabled.value = false
   codexImageGenerationBridgeMode.value = 'inherit'
+  codexImageToolPolicyMode.value = 'allow'
   anthropicPassthroughEnabled.value = false
   anthropicAPIKeyAuthScheme.value = 'x_api_key'
   webSearchEmulationMode.value = 'default'
@@ -3059,6 +3130,9 @@ const syncFormFromAccount = (newAccount: Account | null) => {
     } else if (codexImageGenerationBridgeValue === false) {
       codexImageGenerationBridgeMode.value = 'disabled'
     }
+    codexImageToolPolicyMode.value = extra?.codex_image_generation_explicit_tool_policy === 'strip'
+      ? 'strip'
+      : 'allow'
     openaiOAuthResponsesWebSocketV2Mode.value = resolveOpenAIWSModeFromExtra(extra, {
       modeKey: 'openai_oauth_responses_websockets_v2_mode',
       enabledKey: 'openai_oauth_responses_websockets_v2_enabled',
@@ -4199,6 +4273,11 @@ const handleSubmit = async () => {
       } else {
         newExtra.codex_image_generation_bridge = codexImageGenerationBridgeMode.value === 'enabled'
       }
+      if (codexImageToolPolicyMode.value === 'strip') {
+        newExtra.codex_image_generation_explicit_tool_policy = 'strip'
+      } else {
+        delete newExtra.codex_image_generation_explicit_tool_policy
+      }
 
       if (props.account.type === 'oauth' || props.account.type === 'setup-token') {
         if (codexCLIOnlyEnabled.value) {

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

@@ -577,6 +577,41 @@ describe('EditAccountModal', () => {
     expect(updateAccountMock.mock.calls[0]?.[1]?.extra).not.toHaveProperty('codex_image_generation_bridge_enabled')
   })
 
+  it('submits account-level Codex image_generation tool strip policy', async () => {
+    const account = buildAccount()
+    updateAccountMock.mockReset()
+    checkMixedChannelRiskMock.mockReset()
+    checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+    updateAccountMock.mockResolvedValue(account)
+
+    const wrapper = mountModal(account)
+
+    await wrapper.get('button[data-testid="codex-image-tool-policy-strip"]').trigger('click')
+    await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+    expect(updateAccountMock).toHaveBeenCalledTimes(1)
+    expect(updateAccountMock.mock.calls[0]?.[1]?.extra?.codex_image_generation_explicit_tool_policy).toBe('strip')
+  })
+
+  it('keeps account-level Codex image_generation tool policy unset when allowing', async () => {
+    const account = buildAccount()
+    account.extra = {
+      codex_image_generation_explicit_tool_policy: 'strip'
+    }
+    updateAccountMock.mockReset()
+    checkMixedChannelRiskMock.mockReset()
+    checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+    updateAccountMock.mockResolvedValue(account)
+
+    const wrapper = mountModal(account)
+
+    await wrapper.get('button[data-testid="codex-image-tool-policy-allow"]').trigger('click')
+    await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+    expect(updateAccountMock).toHaveBeenCalledTimes(1)
+    expect(updateAccountMock.mock.calls[0]?.[1]?.extra).not.toHaveProperty('codex_image_generation_explicit_tool_policy')
+  })
+
   it('setup-token account can select and submit OAuth WS mode', async () => {
     const account = buildOpenAISetupTokenAccount()
     updateAccountMock.mockReset()

frontend/src/i18n/locales/en.ts

@@ -3569,6 +3569,13 @@ export default {
         codexImageGenerationBridgeBadgeInherit: 'Channel policy',
         codexImageGenerationBridgeBadgeEnabled: 'Account on',
         codexImageGenerationBridgeBadgeDisabled: 'Account off',
+        codexImageToolPolicy: 'Codex image tool forwarding',
+        codexImageToolPolicyDesc:
+          'Only applies to client-provided image_generation tools in Codex /responses text requests; standalone image-generation endpoints are unaffected.',
+        codexImageToolPolicyAllow: 'Allow',
+        codexImageToolPolicyAllowDesc: 'Default behavior. Keep client-provided image_generation tools.',
+        codexImageToolPolicyStrip: 'Remove',
+        codexImageToolPolicyStripDesc: 'Delete image_generation tools and matching tool_choice before forwarding.',
         compactMode: 'Compact mode',
         compactModeDesc:
           'Controls how this account participates in /responses/compact routing. Auto follows probe results, Force On always allows, Force Off always excludes.',

frontend/src/i18n/locales/zh.ts

@@ -3742,6 +3742,12 @@ export default {
         codexImageGenerationBridgeBadgeInherit: '渠道策略',
         codexImageGenerationBridgeBadgeEnabled: '账号开启',
         codexImageGenerationBridgeBadgeDisabled: '账号关闭',
+        codexImageToolPolicy: 'Codex 图片工具传递策略',
+        codexImageToolPolicyDesc: '仅作用于 Codex /responses 文本端点中客户端显式携带的 image_generation tool；不影响独立图片生成接口。',
+        codexImageToolPolicyAllow: '放行',
+        codexImageToolPolicyAllowDesc: '默认行为，保留客户端显式发送的 image_generation tool。',
+        codexImageToolPolicyStrip: '移除',
+        codexImageToolPolicyStripDesc: '转发前删除 image_generation tool 和指向它的 tool_choice。',
         compactMode: 'Compact 模式',
         compactModeDesc:
           '控制本账号在 /responses/compact 调度中的参与方式。Auto 跟随探测结果，Force On 强制允许，Force Off 强制排除。',