feat(overview): add bilingual executive scorecard

中文：新增双语高管推理总览评分页。

Author: edwingao28

packages/app/cypress/e2e/overview.cy.ts

@@ -0,0 +1,55 @@
+describe('Executive overview', () => {
+  it('shows every active model without selectors', () => {
+    cy.visit('/overview');
+    cy.get('[data-testid="overview-scorecard"]').should('be.visible');
+    for (const model of ['DeepSeek V4 Pro', 'Kimi', 'MiniMax M3', 'GLM5.2', 'Qwen3.5']) {
+      cy.get('[data-testid="overview-scorecard"]').should('contain.text', model);
+    }
+    cy.get('select').should('not.exist');
+    cy.contains('30 tok/s/user').should('exist');
+    cy.contains('100 tok/s/user').should('exist');
+    cy.contains('tr', 'DeepSeek V4 Pro').within(() => {
+      cy.contains('Best').should('exist');
+      cy.contains('1,200').should('exist');
+      cy.contains('+25%').should('exist');
+    });
+  });
+
+  it('shows a truthful empty state and a tracked detail link', () => {
+    cy.visit('/overview');
+    cy.contains('tr', 'GLM5.2').should('contain.text', 'No 8K/1K single-turn data');
+    cy.contains('tr', 'Qwen3.5')
+      .find('a[href^="/inference?"]')
+      .should('have.attr', 'href')
+      .and('include', 'i_seq=8k%2F1k');
+    cy.contains('tr', 'Qwen3.5').should('contain.text', 'Standard decode fallback');
+    cy.get('[data-testid="overview-scorecard"]').should('contain.text', '—');
+    cy.get('[data-testid="overview-scorecard"]').should('contain.text', '†');
+    cy.get('[data-testid="overview-scorecard"] time').first().should('have.attr', 'datetime');
+  });
+
+  it('keeps the sticky model column usable while the mobile scorecard scrolls', () => {
+    cy.viewport(375, 812);
+    cy.visit('/overview');
+    cy.get('[data-testid="overview-scorecard-scroll"]').then(($region) => {
+      expect($region[0].scrollWidth).to.be.greaterThan($region[0].clientWidth);
+      $region[0].scrollLeft = 500;
+    });
+    cy.contains('th[scope="row"]', 'DeepSeek V4 Pro').then(($cell) => {
+      const before = $cell[0].getBoundingClientRect().left;
+      cy.get('[data-testid="overview-scorecard-scroll"]').scrollTo('right');
+      cy.wrap($cell).then(($scrolledCell) => {
+        expect($scrolledCell[0].getBoundingClientRect().left).to.be.closeTo(before, 2);
+      });
+    });
+  });
+
+  it('renders the Chinese sibling and language toggle', () => {
+    cy.visit('/zh/overview');
+    cy.contains('h1', 'AI 推理高管总览').should('exist');
+    cy.get('[data-testid="language-toggle"]').should('have.attr', 'href', '/overview');
+    cy.contains('tr', 'GLM5.2').should('contain.text', '暂无 8K/1K 单轮基准测试数据');
+    cy.contains('加权评分').should('exist');
+    cy.contains('第一名').should('exist');
+  });
+});

packages/app/src/app/overview/page.tsx

@@ -0,0 +1,40 @@
+import type { Metadata } from 'next';
+
+import { SITE_NAME, SITE_URL } from '@semianalysisai/inferencex-constants';
+
+import { ExecutiveOverviewPage } from '@/components/overview/overview-page';
+import { enAlternates } from '@/lib/i18n';
+import { getOverviewPageData } from '@/lib/overview-data.server';
+
+export const dynamic = 'force-dynamic';
+
+const DESCRIPTION =
+  'Compare the best official AI inference serving platforms at a fixed single-turn 8K input / 1K output workload, with weighted scores and operating-point throughput.';
+
+export const metadata: Metadata = {
+  title: 'AI Inference Executive Overview',
+  description: DESCRIPTION,
+  alternates: enAlternates('/overview'),
+  openGraph: {
+    title: `AI Inference Executive Overview | ${SITE_NAME}`,
+    description: DESCRIPTION,
+    url: `${SITE_URL}/overview`,
+    type: 'website',
+  },
+  twitter: {
+    card: 'summary_large_image',
+    title: `AI Inference Executive Overview | ${SITE_NAME}`,
+    description: DESCRIPTION,
+  },
+};
+
+export default async function OverviewPage() {
+  const data = await getOverviewPageData();
+  return (
+    <main className="relative">
+      <div className="container mx-auto px-4 lg:px-8 pb-8">
+        <ExecutiveOverviewPage data={data} locale="en" />
+      </div>
+    </main>
+  );
+}

packages/app/src/app/sitemap.ts

@@ -58,6 +58,11 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
 
   return [
     ...localizedPair('/', { lastModified: now, changeFrequency: 'daily', priority: 1 }),
+    ...localizedPair('/overview', {
+      lastModified: now,
+      changeFrequency: 'daily',
+      priority: 0.9,
+    }),
     ...TABS.flatMap((tab) =>
       localizedPair(`/${tab}`, {
         lastModified: now,

packages/app/src/app/zh/overview/page.tsx

@@ -0,0 +1,41 @@
+import type { Metadata } from 'next';
+
+import { SITE_NAME, SITE_URL } from '@semianalysisai/inferencex-constants';
+
+import { ExecutiveOverviewPage } from '@/components/overview/overview-page';
+import { ZH_OG_LOCALE, zhAlternates } from '@/lib/i18n';
+import { getOverviewPageData } from '@/lib/overview-data.server';
+
+export const dynamic = 'force-dynamic';
+
+const DESCRIPTION =
+  '以固定单轮 8K 输入 / 1K 输出负载，对比表现最佳的官方 AI 推理服务平台，并查看加权评分与各档位吞吐量。';
+
+export const metadata: Metadata = {
+  title: 'AI 推理高管总览',
+  description: DESCRIPTION,
+  alternates: zhAlternates('/overview'),
+  openGraph: {
+    title: `AI 推理高管总览 | ${SITE_NAME}`,
+    description: DESCRIPTION,
+    url: `${SITE_URL}/zh/overview`,
+    type: 'website',
+    locale: ZH_OG_LOCALE,
+  },
+  twitter: {
+    card: 'summary_large_image',
+    title: `AI 推理高管总览 | ${SITE_NAME}`,
+    description: DESCRIPTION,
+  },
+};
+
+export default async function ZhOverviewPage() {
+  const data = await getOverviewPageData();
+  return (
+    <main className="relative">
+      <div className="container mx-auto px-4 lg:px-8 pb-8">
+        <ExecutiveOverviewPage data={data} locale="zh" />
+      </div>
+    </main>
+  );
+}

packages/app/src/components/overview/overview-detail-link.tsx

@@ -0,0 +1,31 @@
+'use client';
+
+import { ArrowRight } from 'lucide-react';
+import Link from 'next/link';
+import type { ReactNode } from 'react';
+
+import { track } from '@/lib/analytics';
+
+export function OverviewDetailLink({
+  href,
+  model,
+  children,
+}: {
+  href: string;
+  model: string;
+  children: ReactNode;
+}) {
+  return (
+    <Link
+      href={href}
+      className="group inline-flex items-center gap-1 whitespace-nowrap rounded-sm font-medium text-foreground underline decoration-brand/50 underline-offset-4 transition-colors hover:decoration-brand focus-visible:outline-none focus-visible:ring-[3px] focus-visible:ring-ring/50 motion-reduce:transition-none"
+      onClick={() => track('overview_model_detail_clicked', { model })}
+    >
+      {children}
+      <ArrowRight
+        aria-hidden="true"
+        className="size-4 transition-transform group-hover:translate-x-0.5 motion-reduce:transition-none"
+      />
+    </Link>
+  );
+}