/** Local Edge acceptance. Non-local browser requests are intercepted, never sent. */
import assert from 'node:assert/strict';
import { createServer } from 'node:http';
import { spawn } from 'node:child_process';
import { readFile, stat, mkdir, writeFile } from 'node:fs/promises';
import { existsSync, readFileSync } from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { indexHtml } from './config.mjs';

const root = fileURLToPath(new URL('../', import.meta.url));
const run = path.join(root, 'work', `showcase-browser-${Date.now()}`);
await mkdir(run, { recursive: true });
const checks = [], errors = [], requests = [], forbidden = [], observations = [];
const mime = { '.html': 'text/html', '.js': 'text/javascript', '.mjs': 'text/javascript', '.json': 'application/json', '.png': 'image/png', '.svg': 'image/svg+xml', '.woff2': 'font/woff2' };
const mount = '/preview-test/';
let seedUnavailable = false;
const server = createServer(async (req, res) => {
  try {
    const url = new URL(req.url, 'http://localhost');
    const sub = url.pathname.startsWith(mount);
    const rel = decodeURIComponent(sub ? url.pathname.slice(mount.length) : url.pathname.slice(1));
    if (/^(?:api|parse)\//.test(rel)) { res.writeHead(451); res.end('No business proxy'); return; }
    if (seedUnavailable && rel === 'src/assets/showcase/preview-seed.json') { res.writeHead(503); res.end('sample unavailable'); return; }
    const file = path.resolve(root, rel || 'index.html');
    if (!file.startsWith(path.resolve(root) + path.sep)) { res.writeHead(403); res.end(); return; }
    let body;
    let ext = path.extname(file);
    if (ext === '.html' || !ext) { body = indexHtml(sub ? mount : '/', { dev: false }); ext = '.html'; }
    else { assert.ok((await stat(file)).isFile()); body = await readFile(file); }
    res.writeHead(200, { 'content-type': mime[ext] || 'application/octet-stream', 'cache-control': 'no-store' });
    res.end(body);
  } catch { res.writeHead(404); res.end('missing resource'); }
});
await new Promise((done) => server.listen(0, '127.0.0.1', done));
const origin = `http://127.0.0.1:${server.address().port}`;
const profile = path.join(run, 'profile');
await mkdir(profile);
const executable = process.env.CHROME_PATH || 'C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe';
assert.ok(existsSync(executable), 'Edge/Chromium executable required');
const browser = spawn(executable, ['--headless=new', '--disable-gpu', '--no-first-run', '--no-default-browser-check', '--disable-background-networking', '--remote-debugging-port=0', `--user-data-dir=${profile}`, 'about:blank'], { windowsHide: true, stdio: 'ignore' });
const pause = (ms) => new Promise((done) => setTimeout(done, ms));
let socket;
const check = (name, passed, detail) => { checks.push({ name, passed: Boolean(passed), ...(detail ? { detail } : {}) }); assert.ok(passed, name); };
try {
  let port;
  for (let i = 0; i < 100; i++) {
    try { port = Number(readFileSync(path.join(profile, 'DevToolsActivePort'), 'utf8').split('\n')[0]); } catch {}
    if (port) break;
    await pause(100);
  }
  assert.ok(port);
  const tabs = await (await fetch(`http://127.0.0.1:${port}/json/list`)).json();
  socket = new WebSocket(tabs.find((x) => x.type === 'page').webSocketDebuggerUrl);
  await new Promise((done, reject) => { socket.addEventListener('open', done, { once: true }); socket.addEventListener('error', reject, { once: true }); });
  let seq = 0;
  const pending = new Map();
  const cdp = (method, params = {}) => new Promise((resolve, reject) => {
    const id = ++seq;
    const timer = setTimeout(() => { pending.delete(id); reject(new Error(`${method} timeout`)); }, 15000);
    pending.set(id, { resolve, reject, timer });
    socket.send(JSON.stringify({ id, method, params }));
  });
  const evaluate = async (expression) => {
    const value = await cdp('Runtime.evaluate', { expression, returnByValue: true, awaitPromise: true });
    if (value.exceptionDetails) throw new Error(value.exceptionDetails.exception?.description || value.exceptionDetails.text);
    return value.result.value;
  };
  const fixture = { result: { ok: true, data: { project: [], artifact: [], insight: [], source: [], session: [], opportunity: [], asOf: '2026-11-03T00:00:00.000Z', nextCursor: null } } };
  fixture.result.data.artifact.push({ objectId: 'fixture-report', title: '原有报告回归', stageCode: 'S4', artifactType: 'competitor_report', report: { title: '原有报告回归', chapters: [{ id: 'scope', title: '核对原文', sections: [{ kind: 'para', text: '公开报告阅读回归正文。' }] }], evidence: {} } });
  for (const type of ['category_report', 'voc_report', 'pain_list', 'concept']) fixture.result.data.artifact.push({ objectId: 'fixture-' + type, artifactType: type, title: '中文标题完整显示与多行排版验证', stageCode: 'S1', rawText: '本机回放排版测试资料。', createdAt: '2026-11-03T00:00:00.000Z' });
  fixture.result.data.opportunity.push({ objectId: 'fixture-opportunity', title: '原有机会卡回归', status: 'candidate', linkedArtifacts: ['fixture-report'], scores: [], updatedAt: '2026-11-03T00:00:00.000Z' });
  const fixtureEmployee = { key: 'employee:' + 'a'.repeat(64), name: '测试成员甲', displayName: '测试昵称', organizationName: '测试企业', departmentNames: ['测试产品部'], position: '产品经理', source: 'wecom_directory', nameVerified: true, verifiedAt: '2026-11-03T00:00:00Z' };
  fixture.result.data.session.push(...['one', 'two'].map((id) => ({ objectId: 'identity-session-' + id, studentName: '旧占位身份', employee: fixtureEmployee, meta: { participantKey: 'workshop-participant-' + id } })));
  Object.assign(fixture.result.data.artifact[0], { ownerSession: 'identity-session-one', ownerName: '旧占位身份' });
  socket.addEventListener('message', ({ data }) => {
    const m = JSON.parse(data);
    if (m.id && pending.has(m.id)) {
      const p = pending.get(m.id); clearTimeout(p.timer); pending.delete(m.id);
      if (m.error) p.reject(new Error(m.error.message)); else p.resolve(m.result);
    }
    if (m.method === 'Runtime.exceptionThrown') errors.push(m.params.exceptionDetails.exception?.description || m.params.exceptionDetails.text);
    if (m.method === 'Network.requestWillBeSent') requests.push({ url: m.params.request.url, method: m.params.request.method, body: m.params.request.postData || '' });
    if (m.method === 'Fetch.requestPaused') {
      const { requestId, request } = m.params;
      if (request.url.startsWith(origin + '/')) cdp('Fetch.continueRequest', { requestId }).catch((e) => errors.push(e.message));
      else {
        forbidden.push({ url: request.url, method: request.method, body: request.postData || '' });
        const isPublicRead = request.postData?.includes('ksfGetPublicBoard');
        const isPreflight = request.method === 'OPTIONS';
        const action = request.postData ? JSON.parse(request.postData) : {};
        const isPublicAction = ['/ksfSetPublicOpportunityStatus', '/ksfRatePublicOpportunity'].includes(action.path);
        if (isPublicAction) {
          const opp = fixture.result.data.opportunity[0], params = action.params;
          opp.updatedAt = new Date().toISOString();
          if (action.path.includes('SetPublic')) opp.status = params.status;
          else opp.scores = [{ user: params.by, score: params.score, at: opp.updatedAt }];
        }
        cdp('Fetch.fulfillRequest', { requestId, responseCode: isPreflight ? 204 : isPublicRead || isPublicAction ? 200 : 451,
          responseHeaders: [{ name: 'Content-Type', value: 'application/json' }, { name: 'Access-Control-Allow-Origin', value: '*' }, { name: 'Access-Control-Allow-Headers', value: 'content-type,x-parse-application-id' }, { name: 'Access-Control-Allow-Methods', value: 'GET,POST,OPTIONS' }],
          body: Buffer.from(JSON.stringify(isPublicRead ? fixture : isPublicAction ? { result: { ok: true, data: { opportunity: fixture.result.data.opportunity[0] } } } : { error: 'No external traffic in acceptance' })).toString('base64'),
        }).catch((e) => errors.push(e.message));
      }
    }
  });
  await cdp('Page.enable'); await cdp('Runtime.enable'); await cdp('Network.enable');
  await cdp('Fetch.enable', { patterns: [{ urlPattern: '*' }] });
  await cdp('Page.addScriptToEvaluateOnNewDocument', { source: `const originalInterval=window.setInterval;window.setInterval=(fn,ms,...args)=>originalInterval(fn,ms===30000?100:ms,...args);` });
  const host = `document.querySelector('kf-app')?.shadowRoot?.querySelector('view-showcase')`;
  const shadow = `${host}?.shadowRoot`;
  const ready = async () => {
    for (let i = 0; i < 100; i++) { if (await evaluate(`Boolean(${host}?._model && !${host}?._busy)`)) return; await pause(100); }
    throw new Error('showcase did not load');
  };
  const go = async (route) => { await cdp('Page.navigate', { url: origin + route }); await ready(); await pause(150); };
  const shot = async (name, full = false) => {
    const params = { format: 'png', captureBeyondViewport: full };
    if (full) {
      const metrics = await cdp('Page.getLayoutMetrics');
      params.clip = { x: 0, y: 0, width: metrics.cssContentSize.width, height: metrics.cssContentSize.height, scale: 1 };
    }
    const result = await cdp('Page.captureScreenshot', params);
    await writeFile(path.join(run, name + '.png'), Buffer.from(result.data, 'base64'));
  };
  await cdp('Emulation.setDeviceMetricsOverride', { width: 1440, height: 1000, deviceScaleFactor: 1, mobile: false });
  for (const key of ['overview', 'leadership', 'research', 'collaboration', 'validation', 'classroom']) {
    const route = key === 'overview' ? '/showcase' : '/showcase/' + key;
    await go(route);
    const info = await evaluate(`(()=>{const el=${host},root=el.shadowRoot;return {system:el.system,total:el._model.total,title:root.querySelector('h1')?.textContent,counts:[...root.querySelectorAll('.count-grid dd')].map(x=>Number(x.textContent)),width:document.documentElement.scrollWidth,viewport:innerWidth,images:[...root.images||root.querySelectorAll('img')].map(x=>({loaded:x.complete&&x.naturalWidth>0,src:x.src})),pending:root.querySelector('.pending')?.textContent};})()`);
    check(`${key}: correct route, real totals and loaded image`, info.system === key && info.total === 334 && info.counts.length === 12 && info.images.every((x) => x.loaded));
    check(`${key}: no page horizontal overflow`, info.width <= info.viewport + 1);
    observations.push(info);
    await shot(`desktop-${key}`, key === 'overview' || key === 'classroom');
    await cdp('Page.reload', { ignoreCache: true }); await ready();
    check(`${key}: survives direct refresh`, await evaluate(`${host}.system===${JSON.stringify(key)}`));
  }
  await go('/showcase');
  await evaluate(`${shadow}.querySelector('a[href$="/showcase/research"]').click()`); await pause(200);
  check('Shadow DOM links navigate to the correct page', await evaluate(`location.pathname==='/showcase/research'&&${host}.system==='research'`));
  await evaluate(`${shadow}.querySelector('.image-button').click()`); await pause(100);
  check('preview opens in a real modal dialog', await evaluate(`${shadow}.querySelector('dialog').open`));
  await cdp('Input.dispatchKeyEvent', { type: 'keyDown', key: 'Escape', code: 'Escape', windowsVirtualKeyCode: 27 });
  await cdp('Input.dispatchKeyEvent', { type: 'keyUp', key: 'Escape', code: 'Escape', windowsVirtualKeyCode: 27 }); await pause(100);
  check('Escape closes preview', await evaluate(`!${shadow}.querySelector('dialog').open`));

  await go('/showcase?case=P01');
  for (let i = 0; i < 7; i++) {
    const observation = await evaluate(`(()=>{const el=${host};return {step:el._step,text:el.shadowRoot.querySelector('.story-body').textContent};})()`);
    check(`P01 step ${i + 1} displays its real record`, observation.step === i && observation.text.trim().length > 10);
    if (i < 6) await evaluate(`${shadow}.querySelector('.story-controls .primary').click()`);
    await pause(60);
  }
  check('P01 retains six questions after classroom completion', await evaluate(`${shadow}.querySelectorAll('.question-list li').length===6`));
  await go('/showcase/validation?case=P03');
  await evaluate(`${shadow}.querySelectorAll('.story-steps button')[1].click()`); await pause(80);
  check('P03 shows preparation conflict', await evaluate(`${shadow}.querySelector('.story-body').textContent.includes('无灶具')`));
  await evaluate(`${shadow}.querySelectorAll('.story-steps button')[2].click()`); await pause(80);
  check('P03 questions retain owners', await evaluate(`${shadow}.querySelectorAll('.question-list li').length===6&&${shadow}.querySelector('.question-list').textContent.includes('演示学员')`));
  await go('/showcase/validation?case=P10');
  await evaluate(`${shadow}.querySelectorAll('.story-steps button')[3].click()`); await pause(80);
  check('P10 does not fabricate missing validation tasks', await evaluate(`${shadow}.querySelector('.empty-inline').textContent.includes('尚无验证任务')`));

  for (const key of ['overview', 'leadership', 'research', 'collaboration', 'validation', 'classroom']) {
    await cdp('Emulation.setDeviceMetricsOverride', { width: 390, height: 844, deviceScaleFactor: 1, mobile: true });
    await go(key === 'overview' ? '/showcase' : '/showcase/' + key);
    check(`${key}: mobile has no horizontal page overflow`, await evaluate('document.documentElement.scrollWidth<=innerWidth+1'));
    if (key === 'overview' || key === 'research') await shot('mobile-' + key, true);
  }
  await go(mount + 'showcase/collaboration?case=P01');
  check('nested deployment preserves route and image URLs', await evaluate(`${host}.system==='collaboration'&&${shadow}.querySelector('img').src.includes('/preview-test/src/assets/showcase/')`));
  await evaluate(`${shadow}.querySelector('a[href$="/showcase/validation"]').click()`); await pause(150);
  check('nested navigation preserves base path', await evaluate(`location.pathname==='/preview-test/showcase/validation'`));
  const before = forbidden.length;
  await evaluate(`(()=>{const app=document.querySelector('kf-app');for(const type of ['refresh','status-change','score-submit','artifact-open'])app.dispatchEvent(new CustomEvent(type,{detail:{id:'DEMO-O01',status:'approved',by:'模拟'}}));})()`);
  await pause(500);
  check('sample shell ignores global live business events', forbidden.length === before);
  check('all introduction interactions made zero external business requests', forbidden.length === 0);

  const sampleHost = `document.querySelector('kf-app').shadowRoot.querySelector('sample-shell')`;
  const viewHost = `${sampleHost}.shadowRoot.querySelector('main').firstElementChild`;
  const viewRoot = `${viewHost}.shadowRoot`;
  const detailHost = `${sampleHost}.shadowRoot.querySelector('sample-detail')`;
  const detailRoot = `${detailHost}.shadowRoot`;
  const sampleReady = async () => {
    for (let i = 0; i < 160; i++) { if (await evaluate(`(()=>{const shell=document.querySelector('kf-app')?.shadowRoot?.querySelector('sample-shell');return Boolean(shell?._model && shell.shadowRoot?.querySelector('main')?.firstElementChild?.shadowRoot?.querySelector('h1'));})()`)) { await pause(100); return; } await pause(100); }
    throw new Error('sample did not load');
  };
  const sampleGo = async (route) => { await cdp('Page.navigate', { url: origin + route }); await sampleReady(); };
  const clickRecord = async (id) => { await evaluate(`${viewRoot}.querySelector('button[data-record="${id}"]').click()`); await pause(150); };
  const submit = async (action, fields) => {
    await evaluate(`(()=>{const form=${detailRoot}.querySelector('[data-action="${action}"]').closest('form');for(const [key,value] of Object.entries(${JSON.stringify(fields)}))form.elements.namedItem(key).value=value;form.requestSubmit();})()`);
    await pause(200);
  };
  await cdp('Emulation.setDeviceMetricsOverride', { width: 1440, height: 1000, deviceScaleFactor: 1, mobile: false });
  for (const name of ['cockpit', 'intel', 'coop', 'review', 'class']) {
    await sampleGo('/' + name);
    check(`${name}: independent sample shell and actual extension`, await evaluate(`${sampleHost}._model.baselineEntityCount===334&&${sampleHost}._model.extension.voices.length===12000`));
    check(`${name}: no page horizontal overflow`, await evaluate('document.documentElement.scrollWidth<=innerWidth+1'));
    await shot('demo-' + name);
    await cdp('Page.reload', { ignoreCache: true }); await sampleReady();
    check(`${name}: refresh preserves route`, await evaluate(`${sampleHost}.view===${JSON.stringify(name)}`));
  }
  await sampleGo('/cockpit?group=DEMO-G2');
  check('group filter scopes both project and report counts', await evaluate(`${viewHost}.filtered.projects.length===2&&${viewHost}.filtered.reports.every(r=>r.groupId==='DEMO-G2')`));
  await evaluate(`${viewRoot}.querySelector('[data-filter="group"]').value='';${viewRoot}.querySelector('[data-filter="group"]').dispatchEvent(new Event('change',{bubbles:true}));`); await pause(100);
  await evaluate(`${viewRoot}.querySelector('[data-filter="member"]').value='DEMO-M31';${viewRoot}.querySelector('[data-filter="member"]').dispatchEvent(new Event('change',{bubbles:true}));`); await pause(150);
  check('member selection filters owned and collaborating projects', await evaluate(`${viewHost}.filtered.projects.length<12&&${viewHost}.filtered.projects.some(p=>p.id==='DEMO-P10')`));
  await sampleGo('/intel');
  await evaluate(`${viewRoot}.querySelector('[data-filter="search"]').value='完全无此关键词XYZ';${viewRoot}.querySelector('[data-filter="search"]').dispatchEvent(new Event('change',{bubbles:true}));`); await pause(150);
  check('search has a real zero-result state', await evaluate(`${viewHost}.filtered.voices.length===0&&${viewRoot}.textContent.includes('没有符合条件')`));
  await cdp('Page.reload', { ignoreCache: true }); await sampleReady();
  check('search is preserved in URL after refresh', await evaluate(`${viewHost}.filters.search==='完全无此关键词XYZ'`));
  await sampleGo('/intel');
  await evaluate(`${viewRoot}.querySelector('[data-page="voicePage-next"]').click()`); await pause(150);
  check('pagination changes the visible voice records', await evaluate(`location.search.includes('voicePage=2')&&${viewRoot}.querySelector('[data-record^="SIM-VOICE"]').dataset.record==='SIM-VOICE-1-0011'`));
  await clickRecord('SIM-OBS-0001');
  check('product detail shows four distinct price snapshots', await evaluate(`${detailRoot}.querySelectorAll('tbody tr').length===4`));
  await cdp('Input.dispatchKeyEvent', { type: 'keyDown', key: 'Escape', code: 'Escape', windowsVirtualKeyCode: 27 });
  await cdp('Input.dispatchKeyEvent', { type: 'keyUp', key: 'Escape', code: 'Escape', windowsVirtualKeyCode: 27 }); await pause(150);
  check('Escape closes record detail and removes deep-link query', await evaluate(`!${detailRoot}.querySelector('dialog').open&&!location.search.includes('record=')`));

  await sampleGo('/coop');
  await evaluate(`localStorage.setItem('unrelated-demo-sentinel','preserve')`);
  await clickRecord('DEMO-O01');
  check('opportunity opens local dialog', await evaluate(`${detailRoot}.querySelector('dialog').open&&${detailHost}.recordId==='DEMO-O01'`));
  await submit('status', { user: '模拟甲', status: 'candidate' });
  check('status action mutates only sample state', await evaluate(`${sampleHost}._model.opportunitiesById['DEMO-O01'].status==='candidate'`));
  await submit('score', { user: '模拟甲', score: '80', comment: '先核制备条件' });
  await submit('score', { user: '模拟乙', score: '60' });
  await submit('score', { user: '模拟甲', score: '100' });
  check('two voters and same-name replacement produce correct average', await evaluate(`${sampleHost}._model.opportunitiesById['DEMO-O01'].stats.avg===80&&${sampleHost}._model.opportunitiesById['DEMO-O01'].stats.n===2`));
  await cdp('Page.reload', { ignoreCache: true }); await sampleReady();
  check('status, scores and open record survive refresh', await evaluate(`${sampleHost}._model.opportunitiesById['DEMO-O01'].status==='candidate'&&${sampleHost}._model.opportunitiesById['DEMO-O01'].stats.avg===80&&${detailRoot}.querySelector('dialog').open`));
  await evaluate(`${detailRoot}.querySelector('[data-record="DEMO-P01"]').click()`); await pause(150);
  await submit('comment', { user: '模拟甲', body: '请补复水与沥水条件。' });
  check('project comment is retained with its project', await evaluate(`${sampleHost}._model.comments['DEMO-P01'].some(c=>c.body==='请补复水与沥水条件。')`));
  await evaluate(`${detailRoot}.querySelector('[data-record="DEMO-R-P01-S3"]').click()`); await pause(150);
  check('report detail opens actual stage record and pending questions', await evaluate(`${detailHost}.recordId==='DEMO-R-P01-S3'&&${detailRoot}.textContent.includes('依据与适用边界')&&${detailRoot}.querySelectorAll('[data-record^="DEMO-Q01"]').length===6`));
  await evaluate(`${detailRoot}.querySelector('[data-record="DEMO-S01"]').click()`); await pause(150);
  check('report source opens original sample text', await evaluate(`${detailRoot}.querySelector('.raw').textContent.includes('中午只有热水')`));
  await sampleGo('/coop?detail=source&record=UNKNOWN');
  check('unknown sample detail shows local error with no production lookup', await evaluate(`${detailRoot}.textContent.includes('不会向线上接口补查')`));
  await sampleGo('/review?stage=S3');
  check('S3 does not fabricate later validation tasks', await evaluate(`${viewHost}.filtered.validationTasks.length===0&&${viewHost}.filtered.questions.length===12`));
  await sampleGo('/class'); await clickRecord('DEMO-A-DEMO-G1-2');
  check('class assignment resolves its own report references', await evaluate(`${detailRoot}.querySelectorAll('[data-record^="DEMO-R-"]').length===4`));
  for (const [key, count] of [['P01', 7], ['P03', 4], ['P10', 4]]) {
    await sampleGo(`/review?case=${key}&step=${count - 1}`);
    check(`${key}: clickable guided path resolves to local project records`, await evaluate(`${viewRoot}.querySelectorAll('.steps button').length===${count}&&${viewRoot}.querySelectorAll('.story-records [data-record]').length>0`));
  }
  await sampleGo('/coop');
  await evaluate(`${sampleHost}.shadowRoot.querySelector('.sample-strip button').click()`); await pause(200);
  check('reset restores statuses and removes local votes while preserving unrelated storage', await evaluate(`${sampleHost}._model.opportunitiesById['DEMO-O01'].status==='approved'&&${sampleHost}._model.opportunitiesById['DEMO-O01'].stats===null&&localStorage.getItem('unrelated-demo-sentinel')==='preserve'`));
  for (const name of ['cockpit', 'intel', 'coop', 'review', 'class']) {
    await cdp('Emulation.setDeviceMetricsOverride', { width: 390, height: 844, deviceScaleFactor: 1, mobile: true });
    await sampleGo('/' + name);
    check(`${name}: mobile layout permits table scrolling without page overflow`, await evaluate('document.documentElement.scrollWidth<=innerWidth+1'));
    if (name === 'coop') await shot('demo-mobile-coop');
  }
  await sampleGo(mount + 'coop?detail=opportunity&record=DEMO-O01');
  check('nested demo detail loads without production routing', await evaluate(`${detailHost}.recordId==='DEMO-O01'&&${detailRoot}.querySelector('dialog').open`));
  await evaluate(`${detailHost}.close()`); await pause(100);
  await evaluate(`(()=>{const app=document.querySelector('kf-app');for(const type of ['refresh','status-change','score-submit'])app.dispatchEvent(new CustomEvent(type,{detail:{id:'DEMO-O01',status:'approved'}}));})()`); await pause(350);
  check('five views and local operations made zero external business requests', forbidden.length === 0);

  // Existing live route regression uses a local interception fixture, never production.
  await evaluate(`import(${JSON.stringify(origin + mount + 'src/utils/router.js')}).then(m=>m.navigate('/'))`); await pause(600);
  check('existing live route resumes loading', forbidden.some((r) => r.body.includes('ksfGetPublicBoard')));
  check('existing navigation preserves its original scope without an extra demonstration entry', await evaluate(`(()=>{const root=document.querySelector('kf-app').shadowRoot.querySelector('kf-nav').shadowRoot;return !root.querySelector('a[data-path="/showcase"]')&&!root.querySelector('.showcase-entry')&&root.querySelectorAll('.tabbar a').length===5&&[...root.querySelectorAll('a[data-path]')].every(a=>a.href.includes('/preview-test/'));})()`));
  const legacyNavigate = async (route) => { await evaluate(`import(${JSON.stringify(origin + mount + 'src/utils/router.js')}).then(m=>m.navigate(${JSON.stringify(route)}))`); await pause(450); };
  for (const width of [1440, 390]) {
    await cdp('Emulation.setDeviceMetricsOverride', { width, height: 1000, deviceScaleFactor: 1, mobile: width < 768 });
    await legacyNavigate('/members');
    const identityInfo = await evaluate(`(()=>{const page=document.querySelector('kf-app').shadowRoot.querySelector('view-members');const rows=[...page.shadowRoot.querySelectorAll('[data-member]')];return {names:rows.map(r=>r.dataset.member),text:page.shadowRoot.textContent,width:document.documentElement.scrollWidth,viewport:innerWidth};})()`);
    check(`employee ${width}px: same member appears once across workshops, with available directory fields`, identityInfo.names.length === 1 && identityInfo.names[0] === '测试成员甲' && ['测试产品部', '产品经理', '企业微信通讯录姓名', '姓名同步于'].every((s) => identityInfo.text.includes(s)));
    check(`employee ${width}px: no page overflow or old identity label`, identityInfo.width <= identityInfo.viewport + 1 && !identityInfo.text.includes('旧占位身份'));
    await shot('employee-profile-' + width);
  }
  const measureTitles = async () => evaluate(`(()=>{
    const root=document.querySelector('kf-app').shadowRoot;
    const headings=[root.querySelector('kf-topbar').shadowRoot.querySelector('h1'),...root.querySelector('main').firstElementChild.shadowRoot.querySelectorAll('[data-type-card] h3,.head h2')];
    const canvas=document.createElement('canvas'),ctx=canvas.getContext('2d');
    return headings.map(el=>{const s=getComputedStyle(el),r=el.getBoundingClientRect();ctx.font=s.fontWeight+' '+s.fontSize+' '+s.fontFamily;const glyph=ctx.measureText(el.textContent);return {text:el.textContent,height:r.height,glyphHeight:glyph.actualBoundingBoxAscent+glyph.actualBoundingBoxDescent,trim:s.textBoxTrim,clipped:r.height+0.5<glyph.actualBoundingBoxAscent+glyph.actualBoundingBoxDescent};});
  })()`);
  for (const width of [2048, 1280, 1024, 768, 390]) {
    await cdp('Emulation.setDeviceMetricsOverride', { width, height: 1000, deviceScaleFactor: 1, mobile: width < 768 });
    await legacyNavigate('/reports');
    await evaluate('document.fonts.ready');
    const headings = await measureTitles(); observations.push({ reportWidth: width, headings });
    if (width === 2048 || width === 390) await shot('reports-typography-' + width);
    check(`reports ${width}px: Chinese heading boxes retain the complete glyph height`, headings.length === 6 && headings.every(x => !x.clipped), headings);
    check(`reports ${width}px: no page horizontal overflow`, await evaluate('document.documentElement.scrollWidth<=innerWidth+1'));
    await evaluate(`document.querySelector('kf-app').shadowRoot.querySelector('view-reports').shadowRoot.querySelector('[data-type-card="voc"]').click()`); await pause(250);
    const typeHeadings = await measureTitles();
    check(`report category ${width}px: heading and classification retain full glyphs`, typeHeadings.length === 2 && typeHeadings.every(x => !x.clipped), typeHeadings);
    check(`report category ${width}px: active tab is exposed correctly`, await evaluate(`document.querySelector('kf-app').shadowRoot.querySelector('view-report-type').shadowRoot.querySelector('.tab.cur').getAttribute('aria-current')==='page'`));
  }
  await cdp('Emulation.setDeviceMetricsOverride', { width: 1440, height: 1000, deviceScaleFactor: 1, mobile: false });
  await legacyNavigate('/pool/fixture-report');
  check('legacy wrong report link recovers to report route', await evaluate(`location.pathname==='/preview-test/report/fixture-report'&&Boolean(document.querySelector('kf-app').shadowRoot.querySelector('view-report'))`));
  await legacyNavigate('/pool/fixture-opportunity');
  const legacyDrawer = `document.querySelector('kf-app').shadowRoot.querySelector('kf-drawer').shadowRoot`;
  check('existing public opportunity drawer resolves its record', await evaluate(`${legacyDrawer}.textContent.includes('决策与状态')&&!${legacyDrawer}.textContent.includes('未找到这张机会卡')`));
  await evaluate(`${legacyDrawer}.querySelectorAll('.st-row button')[1].click()`); await pause(250);
  check('existing state button retains public function contract', forbidden.some((r) => r.body.includes('ksfSetPublicOpportunityStatus') && r.body.includes('fixture-opportunity')));
  await evaluate(`document.querySelector('kf-app').dispatchEvent(new CustomEvent('score-submit',{detail:{user:'回归访客',score:85,comment:'本机拦截回放'}}))`); await pause(250);
  check('existing rating retains public function contract', forbidden.some((r) => r.body.includes('ksfRatePublicOpportunity') && r.body.includes('fixture-opportunity')));
  await evaluate(`import(${JSON.stringify(origin + mount + 'src/utils/router.js')}).then(m=>m.navigate('/showcase'))`); await ready(); await pause(200);
  const afterLive = forbidden.length;
  await pause(500);
  check('returning to introduction stops accelerated live polling', forbidden.length === afterLive);

  seedUnavailable = true;
  await cdp('Page.navigate', { url: origin + '/showcase' });
  for (let i = 0; i < 60; i++) { if (await evaluate(`Boolean(${host}?._error)`)) break; await pause(100); }
  check('failed sample fetch shows error instead of live fallback', await evaluate(`${host}._error.includes('503')`));
  seedUnavailable = false;
  await evaluate(`${shadow}.querySelector('.loading button').click()`); await ready();
  check('retry recovers the local sample', await evaluate(`${host}._model.total===334`));
  check('no uncaught browser exceptions', errors.length === 0, errors);
  await writeFile(path.join(run, 'acceptance.json'), JSON.stringify({ ok: true, checks, observations, requests, interceptedExternalRequests: forbidden, errors, productionRequestsSent: 0, deployed: false }, null, 2));
  console.log(JSON.stringify({ ok: true, checks: checks.length, output: run, productionRequestsSent: 0 }));
} catch (error) {
  await writeFile(path.join(run, 'acceptance.json'), JSON.stringify({ ok: false, error: error.stack, checks, observations, requests, interceptedExternalRequests: forbidden, errors, deployed: false }, null, 2));
  console.error(error);
  console.error(`Evidence: ${run}`);
  process.exitCode = 1;
} finally {
  socket?.close(); browser.kill(); server.closeAllConnections(); server.close();
}