fix: shuffleArray bug + Playwright多轮对话测试 + 初学者考核脚本

- 修复 shuffleArray 返回新数组但调用处用 const 未接收返回值（3处）
- 新增 test-multiround.mjs Playwright 多轮对话测试（简答+追问全流程）
- 新增 do-assessment.mjs / check-result.mjs 考核体验脚本
- CLAUDE.md 增加 AI 工作流指令规则
- package.json 添加 playwright 依赖

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

check-result.mjs

@@ -0,0 +1,156 @@
+import { chromium } from 'playwright';
+
+const BASE = 'http://localhost:13001';
+
+async function run() {
+  const browser = await chromium.launch({ headless: true });
+  const page = await browser.newPage({ viewport: { width: 1440, height: 900 } });
+
+  // 登录
+  await page.goto(`${BASE}/login`, { waitUntil: 'networkidle' });
+  await page.waitForTimeout(1000);
+  await page.locator('input[type="text"]').first().fill('admin');
+  await page.locator('input[type="password"]').first().fill('admin123');
+  await page.locator('button[type="submit"]').click();
+  await page.waitForURL('**/');
+
+  // 进入考核页（首页会显示历史记录侧栏）
+  await page.goto(`${BASE}/assessment`, { waitUntil: 'networkidle' });
+  await page.waitForTimeout(3000);
+
+  // 截图1：首页（含历史记录侧栏）
+  await page.screenshot({ path: 'assessment-overview.png', fullPage: true });
+  console.log('📸 1/5 首页截图（含历史侧栏）保存');
+
+  // 看看历史记录里有什么
+  const historyInfo = await page.evaluate(() => {
+    const items = Array.from(document.querySelectorAll('.w-80 div.space-y-3 > div'));
+    return items.map(el => ({
+      text: (el.textContent || '').replace(/\s+/g, ' ').trim(),
+    }));
+  });
+  console.log('\n📋 历史记录:');
+  historyInfo.forEach((h, i) => console.log(`  [${i+1}] ${h.text}`));
+
+  if (historyInfo.length === 0) {
+    console.log('  没有历史记录，可能是空状态');
+    await browser.close();
+    return;
+  }
+
+  // 点击第一条历史记录查看详情（选分数最高的那条）
+  // 找分数最高的：解析数字
+  let bestIdx = 0;
+  let bestScore = -1;
+  historyInfo.forEach((h, i) => {
+    const m = h.text.match(/([\d.]+)\/10/);
+    if (m) {
+      const s = parseFloat(m[1]);
+      if (s > bestScore) { bestScore = s; bestIdx = i; }
+    }
+  });
+  console.log(`\n🔍 选择分数最高的记录 #${bestIdx+1} (${bestScore}/10)`);
+
+  // 历史记录在右侧边栏，每条记录最右边有个查看按钮（FileText图标）
+  const histButtons = page.locator('.w-80 div.space-y-3 > div button');
+  const btnCount = await histButtons.count();
+  console.log(`  右侧历史栏共有 ${btnCount} 个按钮`);
+
+  // 每条记录有2个按钮（删除+查看），查看按钮在最后
+  // 第N条记录的查看按钮索引 = (N * 2 + 1) （从0开始）
+  const viewBtnIdx = bestIdx * 2 + 1;
+  if (viewBtnIdx < btnCount) {
+    await histButtons.nth(viewBtnIdx).click();
+    await new Promise(r => setTimeout(r, 3000));
+
+    // 截图2：历史考核详情页
+    await page.screenshot({ path: 'assessment-history-detail.png', fullPage: true });
+    console.log('📸 2/5 考核详情页截图');
+
+    // 看看详情页有什么内容
+    const detailInfo = await page.evaluate(() => {
+      const body = document.body.textContent || '';
+      const scoreMatch = body.match(/([\d.]+)\/10/g);
+      const levelMatch = body.match(/(?:LEVEL|等级)[：:]\s*(\w+)/i);
+      const reportSection = body.includes('综合报告') || body.includes('comprehensive');
+      const detailSection = body.includes('每题详情') || body.includes('details');
+      const hasPassed = body.includes('合格') || body.includes('VERIFIED');
+
+      // 按钮文字
+      const btns = Array.from(document.querySelectorAll('button'))
+        .map(b => (b.textContent || '').trim())
+        .filter(Boolean);
+
+      return { scores: scoreMatch, level: levelMatch?.[1], reportSection, detailSection, hasPassed, btns };
+    });
+
+    console.log(`\n📊 得分列表: ${detailInfo.scores?.join(', ') || '无'}`);
+    console.log(`🏆 等级: ${detailInfo.level || '未显示'}`);
+    console.log(`✅ 合格: ${detailInfo.hasPassed ? '是' : '否'}`);
+    console.log(`📋 每题详情: ${detailInfo.detailSection ? '✅ 有' : '❌ 无'}`);
+    console.log(`📝 综合报告: ${detailInfo.reportSection ? '✅ 有' : '❌ 无'}`);
+    console.log(`\n🔘 按钮列表:`);
+    detailInfo.btns.forEach(b => console.log(`   - ${b}`));
+
+    // 找"查看证书"按钮
+    const certBtnText = detailInfo.btns.find(b =>
+      b.includes('证书') || b.includes('Certificate') || b.includes('certificate')
+    );
+    console.log(`\n🔖 证书按钮: ${certBtnText || '没找到'}`);
+
+    // 如果有证书按钮，点击它
+    if (certBtnText) {
+      const certBtn = page.locator('button', { hasText: /证书|Certificate|certificate/ });
+      if (await certBtn.isVisible().catch(() => false)) {
+        await certBtn.click();
+        await new Promise(r => setTimeout(r, 2000));
+
+        // 截图3：证书弹窗
+        await page.screenshot({ path: 'assessment-certificate-modal.png', fullPage: true });
+        console.log('📸 3/5 证书弹窗截图');
+
+        // 读取证书弹窗内容
+        const certData = await page.evaluate(() => {
+          // 找 portal（弹窗在 document.body 最下层）
+          const modal = document.querySelector('.fixed.inset-0.z-\\[1000\\]');
+          if (!modal) return { found: false };
+
+          const text = modal.textContent || '';
+          const level = text.match(/(\w+)/)?.[1] || '';
+          const totalScore = text.match(/([\d.]+)\/10/)?.[1] || '';
+          const dimScores = Array.from(text.matchAll(/(\w+)\s*([\d.]+)\/10/g))
+            .map(m => `${m[1]}: ${m[2]}/10`);
+          const questionCount = text.match(/题目列表[\s\S]*?#(\d+)/)?.[1] || '';
+
+          return {
+            found: true,
+            text: text.substring(0, 500),
+            level, totalScore, dimScores, questionCount,
+          };
+        });
+
+        if (certData.found) {
+          console.log(`\n📜 证书内容:`);
+          console.log(`  等级: ${certData.level}`);
+          console.log(`  总分: ${certData.totalScore}/10`);
+          console.log(`  维度得分: ${certData.dimScores.join(', ') || '无'}`);
+          console.log(`  题目数: ${certData.questionCount || '未知'}`);
+        }
+
+        // 关掉弹窗
+        await page.keyboard.press('Escape');
+        await new Promise(r => setTimeout(r, 500));
+      }
+    }
+
+    // 看 PDF 和 Excel 导出
+    const hasPdf = detailInfo.btns.some(b => b.includes('PDF'));
+    const hasExcel = detailInfo.btns.some(b => b.includes('Excel') || b.includes('excel'));
+    console.log(`\n📄 PDF下载: ${hasPdf ? '✅ 有' : '❌ 无'}`);
+    console.log(`📊 Excel导出: ${hasExcel ? '✅ 有' : '❌ 无'}`);
+  }
+
+  await browser.close();
+  console.log('\n=== 完成 ===');
+}
+run().catch(e => { console.error('❌', e.message); process.exit(1); });