feat(grok): 补齐管理端模型映射设置

frontend/src/api/admin/settings.ts

@@ -556,6 +556,8 @@ export interface SystemSettings {
   fallback_model_openai: string;
   fallback_model_gemini: string;
   fallback_model_antigravity: string;
+  grok_default_text_model: string;
+  grok_cross_client_model_map_enabled: boolean;
 
   // Identity patch configuration (Claude -> Gemini)
   enable_identity_patch: boolean;
@@ -872,6 +874,8 @@ export interface UpdateSettingsRequest {
   fallback_model_openai?: string;
   fallback_model_gemini?: string;
   fallback_model_antigravity?: string;
+  grok_default_text_model?: string;
+  grok_cross_client_model_map_enabled?: boolean;
   enable_identity_patch?: boolean;
   identity_patch_prompt?: string;
   ops_monitoring_enabled?: boolean;

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

@@ -436,6 +436,10 @@ export default {
       gatewayForwarding: {
         title: 'Request Forwarding',
         description: 'Control how requests are forwarded to upstream OAuth accounts',
+        grokDefaultTextModel: 'Default Grok text model',
+        grokDefaultTextModelHint: 'Used for empty model values and, only when the switch is enabled, requests from other client model namespaces. Custom Grok model IDs are accepted.',
+        grokCrossClientMap: 'Map other clients to Grok',
+        grokCrossClientMapHint: 'Disabled by default. When enabled, GPT, Codex, o-series, and Claude model IDs are routed to the default Grok text model above.',
         fingerprintUnification: 'Fingerprint Unification',
         fingerprintUnificationHint: 'Unify X-Stainless-* headers across users sharing the same OAuth account. Disabling passes through each client\'s original headers.',
         metadataPassthrough: 'Metadata Passthrough',

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

@@ -429,6 +429,10 @@ export default {
       gatewayForwarding: {
         title: '请求转发行为',
         description: '控制请求转发到上游 OAuth 账号时的行为',
+        grokDefaultTextModel: '默认 Grok 文本模型',
+        grokDefaultTextModelHint: '用于空模型值；仅在右侧开关开启时也用于其他客户端模型命名空间。允许填写自定义 Grok 模型 ID。',
+        grokCrossClientMap: '映射其他客户端模型到 Grok',
+        grokCrossClientMapHint: '默认关闭。开启后，GPT、Codex、o 系列和 Claude 模型 ID 会路由到左侧默认 Grok 文本模型。',
         fingerprintUnification: '指纹统一化',
         fingerprintUnificationHint: '统一共享同一 OAuth 账号的用户的 X-Stainless-* 请求头。关闭后透传客户端原始请求头。',
         metadataPassthrough: 'Metadata 透传',

frontend/src/views/admin/SettingsView.vue

@@ -5066,6 +5066,48 @@
               </p>
             </div>
             <div class="space-y-5 p-6">
+              <div class="grid gap-5 border-b border-gray-100 pb-5 dark:border-dark-700 md:grid-cols-[minmax(0,1fr)_auto] md:items-end">
+                <div>
+                  <label
+                    for="grok-default-text-model"
+                    class="text-sm font-medium text-gray-700 dark:text-gray-300"
+                  >
+                    {{ t("admin.settings.gatewayForwarding.grokDefaultTextModel") }}
+                  </label>
+                  <input
+                    id="grok-default-text-model"
+                    v-model.trim="form.grok_default_text_model"
+                    type="text"
+                    class="input mt-2 w-full"
+                    list="grok-default-text-model-options"
+                    data-testid="grok-default-text-model"
+                    placeholder="grok-4.5"
+                  />
+                  <datalist id="grok-default-text-model-options">
+                    <option value="grok-4.5" />
+                    <option value="grok-4.1-fast" />
+                    <option value="grok-4" />
+                  </datalist>
+                  <p class="mt-1.5 text-xs text-gray-500 dark:text-gray-400">
+                    {{ t("admin.settings.gatewayForwarding.grokDefaultTextModelHint") }}
+                  </p>
+                </div>
+                <div class="flex items-center justify-between gap-5 md:min-w-72">
+                  <div>
+                    <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                      {{ t("admin.settings.gatewayForwarding.grokCrossClientMap") }}
+                    </label>
+                    <p class="mt-0.5 max-w-sm text-xs text-gray-500 dark:text-gray-400">
+                      {{ t("admin.settings.gatewayForwarding.grokCrossClientMapHint") }}
+                    </p>
+                  </div>
+                  <Toggle
+                    v-model="form.grok_cross_client_model_map_enabled"
+                    data-testid="grok-cross-client-model-map-toggle"
+                  />
+                </div>
+              </div>
+
               <!-- Fingerprint Unification -->
               <div class="flex items-center justify-between">
                 <div>
@@ -9397,6 +9439,8 @@ const form = reactive<SettingsForm>({
   fallback_model_openai: "gpt-4o",
   fallback_model_gemini: "gemini-2.5-pro",
   fallback_model_antigravity: "gemini-2.5-pro",
+  grok_default_text_model: "grok-4.5",
+  grok_cross_client_model_map_enabled: false,
   // Identity patch (Claude -> Gemini)
   enable_identity_patch: true,
   identity_patch_prompt: "",
@@ -10972,6 +11016,10 @@ async function saveSettings() {
       fallback_model_openai: form.fallback_model_openai,
       fallback_model_gemini: form.fallback_model_gemini,
       fallback_model_antigravity: form.fallback_model_antigravity,
+      grok_default_text_model:
+        form.grok_default_text_model.trim() || "grok-4.5",
+      grok_cross_client_model_map_enabled:
+        form.grok_cross_client_model_map_enabled,
       enable_identity_patch: form.enable_identity_patch,
       identity_patch_prompt: form.identity_patch_prompt,
       min_claude_code_version: form.min_claude_code_version,

frontend/src/views/admin/__tests__/SettingsView.spec.ts

@@ -444,6 +444,8 @@ const baseSettingsResponse = {
   fallback_model_openai: "",
   fallback_model_gemini: "",
   fallback_model_antigravity: "",
+  grok_default_text_model: "grok-4.5",
+  grok_cross_client_model_map_enabled: false,
   enable_identity_patch: false,
   identity_patch_prompt: "",
   ops_monitoring_enabled: false,
@@ -1265,6 +1267,34 @@ describe("admin SettingsView payment visible method controls", () => {
     expect(showSuccess).toHaveBeenCalledWith("上游倍率自动探测设置已保存");
   });
 
+  it("loads and saves configurable Grok cross-client model mapping", async () => {
+    getSettings.mockResolvedValueOnce({
+      ...baseSettingsResponse,
+      grok_default_text_model: "grok-4.1-fast",
+      grok_cross_client_model_map_enabled: true,
+    });
+    const wrapper = mountView();
+
+    await flushPromises();
+    await openGatewayTab(wrapper);
+
+    const modelInput = wrapper.get('[data-testid="grok-default-text-model"]');
+    const mappingToggle = wrapper.get(
+      '[data-testid="grok-cross-client-model-map-toggle"]',
+    );
+    expect((modelInput.element as HTMLInputElement).value).toBe("grok-4.1-fast");
+    expect((mappingToggle.element as HTMLInputElement).checked).toBe(true);
+
+    await modelInput.setValue("grok-custom-text");
+    await mappingToggle.setValue(false);
+    await wrapper.find("form").trigger("submit.prevent");
+    await flushPromises();
+
+    const payload = updateSettings.mock.calls.at(-1)?.[0] as Record<string, unknown>;
+    expect(payload.grok_default_text_model).toBe("grok-custom-text");
+    expect(payload.grok_cross_client_model_map_enabled).toBe(false);
+  });
+
   it("loads fail-safe-off Ollama Cloud usage refresh settings and saves an explicit opt-in", async () => {
     const wrapper = mountView();