feat: 设置页新增模型卡片，支持为7种能力配置默认模型

tests/web/features/settings/SettingsPage.test.tsx

@@ -9,10 +9,15 @@ function mockSettingsResponse(theme = "system", compact = false): Response {
   return jsonResponse({ compact, theme });
 }
 
+function mockEmptyModelsResponse(): Response {
+  return jsonResponse({ items: [], page: 1, pageSize: 200, total: 0 });
+}
+
 describe("SettingsPage", () => {
   test("渲染主题卡片", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -24,6 +29,7 @@ describe("SettingsPage", () => {
   test("渲染主题模式 Radio.Group 选项", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -37,6 +43,7 @@ describe("SettingsPage", () => {
   test("渲染紧凑模式标签和开关", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -48,6 +55,7 @@ describe("SettingsPage", () => {
   test("渲染水平表单结构", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -60,6 +68,7 @@ describe("SettingsPage", () => {
   test("不再使用 Segmented", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -71,6 +80,7 @@ describe("SettingsPage", () => {
   test("不显示保存状态文本(已迁移到 toast)", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -92,4 +102,16 @@ describe("SettingsPage", () => {
       expect(radioGroup).not.toBeNull();
     });
   });
+
+  test("渲染模型卡片标题", () => {
+    installFetchMock((call) => {
+      if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
+      return jsonResponse({});
+    });
+
+    renderWithProviders(createElement(SettingsPage));
+
+    expect(screen.getByText("模型")).not.toBeNull();
+  });
 });