// 外壳：导航、待审批徽标、404、标签页标题与 favicon、后台提醒、⌘K 命令面板、
// ? 快捷键说明、主题快速切换、连接遥测、离线横幅、启动页。
//
// 这些都是每一屏都在的东西，坏了没有哪一页的检查会替它说话：徽标指向一个找不到
// 待办的列表、打错地址看到白板、后端没起时启动页永远「正在连接」、命令面板的
// aria 断了读屏用户就用不了——之前每一样都真发生过。
//
// 待审批用 page.route 伪造（两条，最早的一条等了 8 天），离线用 page.route 直接
// 掐断 /api。所有非 GET 请求（主题切换会 PUT 设置）都在探针里应答，不写库。
// 跑之前前端得起着（./scripts/dev.sh），默认连 5273。对别的实例（比如一份沙箱拷贝）跑时
// 带上地址：AGENTLAB_WEB=http://localhost:<前端端口> node scripts/check-shell.mjs
import { chromium } from '../frontend/node_modules/playwright-core/index.mjs'

const WEB = process.env.AGENTLAB_WEB ?? 'http://localhost:5273'
// 不用 playwright install：它既下不动也会动到已有缓存。系统 Chrome 就够了。
const CHROME = process.env.CHROME_PATH
  ?? '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome'

let failed = 0
const check = (name, cond, detail = '') => {
  console.log(`  ${cond ? '✓' : '✗'} ${name}${detail ? ` — ${detail}` : ''}`)
  if (!cond) failed++
}

const ago = (ms) => new Date(Date.now() - ms).toISOString()
const PENDING = [
  {
    id: 'shell-ap-old', run_id: 'shell-run-old', node_id: 'review', mode: 'approve', title: '这条公告可以发吗？',
    payload: {}, status: 'pending', response: {}, created_at: ago(8 * 86400_000 + 3600_000),
    workflow_name: '公告审核', node_label: '人工审批', run_status: 'interrupted', run_class: 'exploratory',
  },
  {
    id: 'shell-ap-new', run_id: 'shell-run-new', node_id: 'review', mode: 'input', title: '补一下预算上限',
    payload: {}, status: 'pending', response: {}, created_at: ago(12 * 60_000),
    workflow_name: '采购比价', node_label: '人工审批', run_status: 'interrupted', run_class: 'exploratory',
  },
]

// 相对亮度与对比度（WCAG）：徽标在两套主题下都要 ≥ 4.5
const lum = (rgb) => {
  const [r, g, b] = rgb.match(/\d+(\.\d+)?/g).slice(0, 3).map(Number).map((v) => {
    const c = v / 255
    return c <= 0.03928 ? c / 12.92 : ((c + 0.055) / 1.055) ** 2.4
  })
  return 0.2126 * r + 0.7152 * g + 0.0722 * b
}
const contrast = (a, b) => {
  const [x, y] = [lum(a), lum(b)].sort((p, q) => q - p)
  return (x + 0.05) / (y + 0.05)
}

const browser = await chromium.launch({ executablePath: CHROME })

/** 一个带探针的新页面。state 可以在跑的过程中改：换待审批、断网 */
async function open({ theme = 'dark', state }) {
  const ctx = await browser.newContext({ viewport: { width: 1280, height: 860 }, colorScheme: theme })
  opened.add(ctx)
  const page = await ctx.newPage()
  page.errors = []
  page.on('pageerror', (e) => page.errors.push(e.message))
  await page.addInitScript((t) => {
    localStorage.setItem('agentlab.theme', t)
    // 系统通知换成记录器：只记谁在什么时候要了权限、发了什么
    window.__notes = []
    window.__permissionAsks = 0
    class FakeNotification {
      static permission = 'default'
      static async requestPermission() {
        window.__permissionAsks++
        FakeNotification.permission = 'granted'
        return 'granted'
      }
      constructor(title, opts) { window.__notes.push({ title, ...opts }) }
      close() {}
    }
    window.Notification = FakeNotification
  }, theme)
  // 只认路径以 /api/ 开头的：'**/api/**' 也会匹配到 vite 的模块 /src/api/client.ts，
  // 断网时把它一起掐了，页面就直接白了
  await page.route((url) => url.pathname.startsWith('/api/'), (route) => {
    const r = route.request()
    const url = new URL(r.url())
    if (state.offline) return route.abort('connectionrefused')
    // 后端连得上但不回：/health 照常，其余请求一直挂着
    if (state.hang && url.pathname !== '/api/health') return
    // 只卡一张表：别的照常回
    if (state.hangPath === url.pathname) return
    if (r.method() !== 'GET') {
      state.writes.push({ method: r.method(), path: url.pathname, body: r.postData() })
      return route.fulfill({ json: {} })
    }
    // 主题以本地为准，别让沙箱库里存的偏好把这次检查的主题改掉
    if (url.pathname === '/api/settings') return route.fulfill({ json: { ui: { theme } } })
    if (url.pathname === '/api/approvals') return route.fulfill({ json: state.approvals })
    if (url.pathname === '/api/runs' && state.runs) return route.fulfill({ json: state.runs })
    if (state.broken === url.pathname) return route.fulfill({ status: 500, json: { detail: '数据库锁住了，稍后重试' } })
    return route.continue()
  })
  return { ctx, page }
}

const nav = (page) => page.locator('nav[aria-label="主导航"]')
const waitNav = (page) => nav(page).waitFor({ timeout: 15000 })
const isMac = process.platform === 'darwin'
// 只跑其中几段：CHECK_ONLY=离开前确认,启动页 node scripts/check-shell.mjs（按段名包含匹配）
const ONLY = process.env.CHECK_ONLY?.split(',').map((s) => s.trim()).filter(Boolean)
const want = (name) => !ONLY?.length || ONLY.some((k) => name.includes(k))
/**
 * 一节一节地跑：要跑就打出段标题（title 为空的是上一段的续篇，不另起标题）。某一节里
 * 等待超时、元素找不到，只记成这一节失败，收掉它开的页面，接着跑下一节
 */
const opened = new Set()
async function section(name, title, fn) {
  if (!want(name)) return
  if (title) console.log(title)
  try {
    await fn()
  } catch (e) {
    const label = title ? title.replace(/^\n?=== | ===$/g, '') : name
    check(`${label} 中途出错`, false, String(e?.message ?? e).split('\n')[0])
  } finally {
    for (const c of opened) await c.close().catch(() => {})
    opened.clear()
  }
}
const MOD = isMac ? 'Meta' : 'Control'

// ---------------------------------------------------------------------------
await section('导航', '=== 导航 ===', async () => {
  const state = { approvals: PENDING, offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  await waitNav(page)

  const box = await nav(page).boundingBox()
  check('导航宽 64px（w-16）', Math.round(box.width) === 64, `${box.width}`)
  const labels = await nav(page).locator('li > a[aria-keyshortcuts] > span:not([aria-hidden])').allInnerTexts()
  check('导航项：问数据、编排、记录、数据、工具、知识、设置',
    labels.join(',') === '问数据,编排,记录,数据,工具,知识,设置', labels.join(','))
  const fontSize = await nav(page).locator('li > a[aria-keyshortcuts] > span:not([aria-hidden])').first()
    .evaluate((el) => getComputedStyle(el).fontSize)
  check('导航标签 11px', fontSize === '11px', fontSize)

  const active = nav(page).locator('a[aria-current="page"]')
  check('当前页有 aria-current，且只有一个', (await active.count()) === 1 && (await active.innerText()).startsWith('问数据'))
  const accent = await page.evaluate(() => getComputedStyle(document.documentElement).getPropertyValue('--accent').trim())
  const [iconColor, barColor] = await active.evaluate((el) => [
    getComputedStyle(el.querySelector('svg')).color,
    getComputedStyle(el.querySelector('span[aria-hidden]')).backgroundColor,
  ])
  const hex = (rgb) => '#' + rgb.match(/\d+/g).slice(0, 3).map((v) => Number(v).toString(16).padStart(2, '0')).join('')
  check('选中项：图标是强调色', hex(iconColor) === accent.toLowerCase(), `${hex(iconColor)} vs ${accent}`)
  check('选中项：左缘有强调色竖条', hex(barColor) === accent.toLowerCase(), hex(barColor))

  await page.getByRole('link', { name: 'AgentLab 首页' }).waitFor({ timeout: 3000 }).then(() => check('品牌标是回首页的链接', true), () => check('品牌标是回首页的链接', false))

  await nav(page).locator('a[href="/data"]').hover()
  const tip = nav(page).locator('a[href="/data"] > span[aria-hidden]').last()
  await page.waitForTimeout(600)
  check('悬停出提示：页面名 + 快捷键', (await tip.isVisible()) && /数据/.test(await tip.innerText()) && /(⌥4|Alt\+4)/.test(await tip.innerText()),
    (await tip.innerText()).replace(/\n/g, ' '))

  await page.locator('main').click({ position: { x: 600, y: 300 } }).catch(() => {})
  await page.keyboard.press('Alt+Digit3')
  check('⌥3 切到记录页', await page.waitForURL(/\/runs(\?|$)/, { timeout: 5000 }).then(() => true, () => false), page.url())

  await page.goto(`${WEB}/settings/datasources`)
  check('旧地址 /settings/datasources 重定向到 /data', await page.waitForURL(/\/data(\/|$)/, { timeout: 8000 }).then(() => true, () => false), page.url())
  check('数据页点亮「数据」', (await nav(page).locator('a[aria-current="page"]').innerText()).startsWith('数据'))

  // 矮窗口：导航按高度收紧，最底下的遥测点和署名不能被切掉
  const bottomFits = () => page.evaluate(() => {
    const n = document.querySelector('nav[aria-label="主导航"]')
    const t = document.querySelector('[data-telemetry]').getBoundingClientRect()
    return { ok: n.scrollHeight <= innerHeight && t.bottom <= innerHeight, tel: Math.round(t.bottom), vh: innerHeight }
  })
  for (const h of [600, 480]) {
    await page.setViewportSize({ width: 1280, height: h })
    await page.waitForTimeout(150)
    const fit = await bottomFits()
    check(`窗口高 ${h}px：遥测点整个露在视口里，导航不溢出`, fit.ok, JSON.stringify(fit))
  }
  await page.setViewportSize({ width: 1280, height: 860 })
  await page.waitForTimeout(150)
  const itemH = await nav(page).locator('a[href="/runs"]').evaluate((el) => el.getBoundingClientRect().height)
  check('窗口够高时导航项仍是 48px', itemH === 48, `${itemH}`)

  // 底部三样：署名、主题、遥测
  await page.goto(`${WEB}/chat`)
  await waitNav(page)
  const actor = nav(page).locator('a[href="/settings/prefs"]')
  check('底部有署名入口，点开去设置', (await actor.count()) === 1, await actor.getAttribute('aria-label'))
  const telemetry = nav(page).locator('[data-telemetry]')
  await page.waitForFunction(() => document.querySelector('[data-telemetry]')?.getAttribute('data-telemetry') === 'ok', null, { timeout: 10000 }).catch(() => {})
  check('底部遥测点显示在线和延迟', /\d+ms/.test(await telemetry.innerText()), await telemetry.innerText())
  await telemetry.click()
  const panel = page.getByRole('dialog', { name: '后端连接' })
  check('点开遥测点：地址、延迟、加载清单', (await panel.isVisible()) && /\/api/.test(await panel.innerText()) && /模型接入/.test(await panel.innerText()))
  await page.keyboard.press('Escape')
  check('Esc 关掉遥测浮层', await panel.waitFor({ state: 'detached', timeout: 3000 }).then(() => true, () => false))

  const before = await page.evaluate(() => document.documentElement.getAttribute('data-theme'))
  await nav(page).getByRole('button', { name: /切换到.+主题/ }).click()
  const after = await page.evaluate(() => document.documentElement.getAttribute('data-theme'))
  check('主题快速切换：深色 → 浅色', before === 'dark' && after === 'light', `${before} → ${after}`)
  await page.waitForTimeout(300)
  const put = state.writes.find((w) => w.method === 'PUT' && w.path === '/api/settings')
  check('主题存进设置（PUT ui.theme，被探针拦下）', !!put && JSON.parse(put.body).values.ui.theme === 'light', put?.body ?? '没有请求')
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('待审批徽标', '\n=== 待审批徽标 ===', async () => {
  for (const theme of ['dark', 'light']) {
    const state = { approvals: PENDING, offline: false, writes: [] }
    const { ctx, page } = await open({ theme, state })
    await page.goto(`${WEB}/chat`)
    await waitNav(page)
    const badge = page.locator('[data-approval-badge]')
    await badge.waitFor({ timeout: 8000 })
    const b = await badge.boundingBox()
    const icon = await nav(page).locator('a[href="/runs"] svg').boundingBox()
    const [fg, bg, nums] = await badge.evaluate((el) => {
      const s = getComputedStyle(el)
      return [s.color, s.backgroundColor, s.fontVariantNumeric]
    })
    if (theme === 'dark') {
      check('徽标是链接，指向 /runs?tab=approvals', (await badge.getAttribute('href')) === '/runs?tab=approvals')
      check('导航项「记录」本身仍然进 /runs', (await nav(page).locator('a[aria-keyshortcuts]').nth(2).getAttribute('href')) === '/runs')
      const label = await badge.getAttribute('aria-label')
      check('徽标读屏文字：条数 + 最久等了多久', /2 项待审批/.test(label) && /最久已等 8 天/.test(label), label)
      check('徽标至少 16×16', b.width >= 16 && b.height >= 16, `${b.width}×${b.height}`)
      check('徽标数字等宽', /tabular-nums/.test(nums), nums)
      check('徽标挂在图标右上角外侧，不压图标主体', b.x + b.width / 2 > icon.x + icon.width && b.y < icon.y,
        `badge(${b.x},${b.y}) icon(${icon.x},${icon.y},${icon.width})`)
    }
    const ratio = contrast(fg, bg)
    check(`徽标对比度 ≥ 4.5（${theme === 'dark' ? '深色' : '浅色'}）`, ratio >= 4.5, ratio.toFixed(2))
    if (theme === 'dark') {
      await badge.hover()
      await page.waitForTimeout(400)
      const tip = badge.locator('span[aria-hidden]')
      check('悬停徽标有提示', (await tip.isVisible()) && /最久已等/.test(await tip.innerText()))
      await badge.click()
      check('点徽标进待审批页签', await page.waitForURL(/\/runs\?tab=approvals/, { timeout: 5000 }).then(() => true, () => false), page.url())
    }
    await ctx.close()
  }
})

// ---------------------------------------------------------------------------
await section('404', '\n=== 404 ===', async () => {
  const state = { approvals: [], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/does-not-exist/at-all`)
  await waitNav(page)
  check('未知地址给出说明而不是白板', await page.getByText('这个地址不存在').waitFor({ timeout: 8000 }).then(() => true, () => false))
  check('写出了打错的那个地址', (await page.locator('main').innerText()).includes('/does-not-exist/at-all'))
  check('标题是「页面不存在 — AgentLab」', (await page.title()) === '页面不存在 — AgentLab', await page.title())
  check('给了 ⌘K 入口', await page.getByRole('button', { name: /搜索去处/ }).isVisible())
  await page.getByRole('button', { name: /搜索去处/ }).click()
  check('404 上点搜索打开命令面板', await page.getByRole('dialog', { name: '命令面板' }).isVisible())
  await page.keyboard.press('Escape')
  await page.getByRole('link', { name: '回到问数据' }).click()
  check('「回到问数据」回首页', await page.waitForURL(/\/chat/, { timeout: 5000 }).then(() => true, () => false), page.url())
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('标签页标题', '\n=== 标签页标题、favicon、后台提醒 ===', async () => {
  const state = { approvals: [], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/runs`)
  await waitNav(page)
  await page.waitForFunction(() => document.title.includes('记录'), null, { timeout: 5000 }).catch(() => {})
  check('每页有自己的标题', (await page.title()) === '记录 — AgentLab', await page.title())
  const favicon = () => page.evaluate(() => {
    const l = document.querySelector('link[rel~="icon"]')
    return { href: l.getAttribute('href'), status: l.getAttribute('data-status') }
  })
  check('没事时 favicon 是原图', (await favicon()).href === '/favicon.svg')

  state.approvals = PENDING
  const titled = await page.waitForFunction(() => document.title.startsWith('(2) 待审批 · '), null, { timeout: 12000 })
    .then(() => true, () => false)
  check('来了待审批：标题加「(2) 待审批 · 」前缀', titled, await page.title())
  const fav = await favicon()
  check('来了待审批：favicon 换成带琥珀点的 PNG', fav.status === 'waiting' && fav.href.startsWith('data:image/png'), fav.status)

  state.approvals = []
  await page.waitForFunction(() => !document.title.includes('待审批'), null, { timeout: 12000 }).catch(() => {})
  await page.goto(`${WEB}/studio`)
  await waitNav(page)
  const hasStudio = await page.waitForFunction(() => window.__studio?.getState().nodes.length > 0, null, { timeout: 12000 })
    .then(() => true, () => false)
  check('画布装好了（dev 构建的 window.__studio）', hasStudio)
  if (hasStudio) {
    const name = await page.evaluate(() => window.__studio.getState().workflow?.name)
    // 工作流名是沙箱库里的真实名字，日志常被贴进报告：标题打出来之前换成占位
    const masked = (t) => (name ? String(t).split(name).join('‹工作流名›') : String(t))
    check('编排页标题带工作流名', (await page.title()).startsWith(`编排 · ${name}`), masked(await page.title()))

    // 权限只在用户点开关时才要
    check('进页面不自动要通知权限', (await page.evaluate(() => window.__permissionAsks)) === 0)
    await nav(page).getByRole('button', { name: '后台提醒' }).click()
    await page.waitForTimeout(200)
    check('点开关才要权限，开关变为按下', (await page.evaluate(() => window.__permissionAsks)) === 1
      && (await nav(page).getByRole('button', { name: '后台提醒' }).getAttribute('aria-pressed')) === 'true')

    await page.evaluate(() => {
      const s = window.__studio.getState()
      window.__studio.setState({
        run: { id: 'shell-check-run', workflow_id: s.workflow?.id ?? null, workflow_name: s.workflow?.name ?? '', status: 'running',
          input: {}, output: {}, error: null, usage: {} },
        runPhase: 'running',
      })
    })
    await page.waitForFunction(() => document.title.includes('● 运行中'), null, { timeout: 3000 }).catch(() => {})
    // 只认外壳自己的前缀；前面若还挂着别的（比如以后画布自己加的计时），不算错
    check('有运行在跑：标题加「● 运行中 n/N」', /(^|\s)● 运行中 \d+\/\d+ · 编排/.test(await page.title()), masked(await page.title()))
    check('有运行在跑：favicon 蓝点', (await favicon()).status === 'running')
    check('有运行在跑：品牌标起点节点亮起', /有运行在跑/.test(await nav(page).locator('a[href="/"]').getAttribute('aria-label')))

    // 切到后台，运行失败
    await page.evaluate(() => {
      Object.defineProperty(document, 'hidden', { configurable: true, get: () => true })
      document.dispatchEvent(new Event('visibilitychange'))
    })
    await page.waitForTimeout(1100)
    await page.evaluate(() => window.__studio.setState({ runPhase: 'failed' }))
    await page.waitForTimeout(200)
    check('后台时失败：标题换成「✕ 运行失败」', /(^|\s)✕ 运行失败 · /.test(await page.title()), masked(await page.title()))
    check('后台时失败：favicon 红点', (await favicon()).status === 'failed')
    const notes = await page.evaluate(() => window.__notes)
    check('后台时失败：发了一条系统通知', notes.length === 1 && /运行失败/.test(notes[0].title), masked(JSON.stringify(notes)))

    await page.evaluate(() => {
      delete document.hidden
      document.dispatchEvent(new Event('visibilitychange'))
    })
    await page.waitForTimeout(200)
    check('切回来：失败前缀撤掉', !(await page.title()).includes('运行失败'), masked(await page.title()))
    check('切回来：favicon 还原', (await favicon()).href === '/favicon.svg')

    // 前台时结束不打扰
    await page.evaluate(() => window.__studio.setState({ runPhase: 'running' }))
    await page.waitForTimeout(1100)
    await page.evaluate(() => window.__studio.setState({ runPhase: 'succeeded' }))
    await page.waitForTimeout(200)
    check('前台时跑完不发通知', (await page.evaluate(() => window.__notes.length)) === 1)
    await page.evaluate(() => window.__studio.getState().clearRun())
  }
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('⌘K 命令面板', '\n=== ⌘K 命令面板 ===', async () => {
  const state = { approvals: PENDING, offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/runs`)
  await waitNav(page)
  await page.waitForTimeout(500)
  await page.keyboard.press(`${MOD}+KeyK`)
  const dialog = page.getByRole('dialog', { name: '命令面板' })
  check(`${isMac ? '⌘K' : 'Ctrl+K'} 打开命令面板`, await dialog.waitFor({ timeout: 3000 }).then(() => true, () => false))
  const input = dialog.getByRole('combobox')
  check('打开时焦点在搜索框', await input.evaluate((el) => el === document.activeElement))
  const aria = await input.evaluate((el) => ({
    controls: el.getAttribute('aria-controls'), active: el.getAttribute('aria-activedescendant'), expanded: el.getAttribute('aria-expanded'),
  }))
  const listbox = await page.evaluate((id) => document.getElementById(id)?.getAttribute('role'), aria.controls)
  const selected = await page.evaluate((id) => document.getElementById(id)?.getAttribute('aria-selected'), aria.active)
  check('combobox → listbox 接好了，activedescendant 指向选中项', listbox === 'listbox' && selected === 'true' && aria.expanded === 'true', JSON.stringify(aria))
  check('分组有名字（role=group + aria-labelledby）', (await dialog.locator('[role="group"][aria-labelledby]').count()) >= 3)
  check('待审批排在最前', (await dialog.locator('[role="group"]').first().innerText()).startsWith('待审批'))
  await page.keyboard.press('ArrowDown')
  const moved = await input.getAttribute('aria-activedescendant')
  check('↓ 移动选中项', moved !== aria.active)

  await input.fill('设置')
  const first = dialog.locator('[role="option"][aria-selected="true"]')
  check('搜「设置」第一项就是设置页', (await first.innerText()).startsWith('设置'), (await first.innerText()).split('\n')[0])
  await page.keyboard.press('Enter')
  check('回车跳过去、面板关掉', await page.waitForURL(/\/settings/, { timeout: 5000 }).then(() => true, () => false)
    && !(await dialog.isVisible()), page.url())

  const workflows = await (await fetch(`${WEB}/api/workflows`)).json().catch(() => [])
  const wf = workflows.find((w) => !w.is_template && w.name)
  if (wf) {
    await page.keyboard.press(`${MOD}+KeyK`)
    await dialog.getByRole('combobox').fill(wf.name)
    await page.waitForTimeout(100)
    const hit = dialog.locator(`[data-command="wf:${wf.id}"]`)
    // 搜的是沙箱里真实的工作流名：不打出来
    check('能搜到工作流', (await hit.count()) === 1, (await hit.count()) === 1 ? '' : `命中 ${await hit.count()} 项（名字不打出来）`)
    await hit.click()
    check('点工作流进它的画布', await page.waitForURL(new RegExp(`/studio/${wf.id}`), { timeout: 5000 }).then(() => true, () => false), page.url())
  }

  // 页面刚挂载时的自动聚焦（比如画布助手的输入框）会把焦点从开着的面板里抢走，
  // 之后打的字、按的 Esc 就都落到了面板底下
  await page.keyboard.press(`${MOD}+KeyK`)
  await dialog.waitFor({ timeout: 3000 })
  const stolen = await page.evaluate(() => {
    const el = document.querySelector('main textarea') ?? document.querySelector('main input, main button, nav a')
    el?.focus()
    return el?.tagName ?? null
  })
  check('面板开着时焦点被页面抢走，会回到搜索框', await dialog.getByRole('combobox').evaluate((el) => el === document.activeElement),
    `${stolen} → ${await page.evaluate(() => document.activeElement?.tagName)}`)
  await page.keyboard.press('Escape')
  check('……Esc 照样关掉面板', await dialog.waitFor({ state: 'detached', timeout: 3000 }).then(() => true, () => false))
  // 上面没过时面板还开着：⌘K 再按一下把它收掉，后面几项照常跑
  if (await dialog.count()) await page.keyboard.press(`${MOD}+KeyK`)

  await page.keyboard.press(`${MOD}+KeyK`)
  await dialog.getByRole('combobox').fill('zzqq没有这个东西')
  check('没结果时说清楚', (await dialog.innerText()).includes('没有匹配'))
  await page.keyboard.press('Escape')
  check('Esc 关掉面板', await dialog.waitFor({ state: 'detached', timeout: 3000 }).then(() => true, () => false))

  // DialogHost 跟着 ToastHost 挂在根上：没挂的话 promptDialog 会退回原生 prompt
  let nativePrompt = false
  page.once('dialog', (d) => { nativePrompt = true; void d.dismiss() })
  await page.keyboard.press(`${MOD}+KeyK`)
  await dialog.getByRole('combobox').fill('新建工作流')
  await page.keyboard.press('Enter')
  const ask = page.getByRole('dialog', { name: '新建工作流' })
  check('「新建工作流」弹的是站内输入框，不是原生 prompt', await ask.waitFor({ timeout: 3000 }).then(() => true, () => false) && !nativePrompt)
  await page.keyboard.press('Escape')
  await page.waitForTimeout(200)
  // 画布自己会发校验、变量分析的 POST，只看有没有建工作流
  check('取消就什么都不建', !state.writes.some((w) => w.method === 'POST' && w.path === '/api/workflows') && (await ask.count()) === 0)

  await page.keyboard.press(`${MOD}+KeyK`)
  await dialog.getByRole('combobox').fill('快捷键')
  await page.keyboard.press('Enter')
  check('面板里的「查看快捷键」打开说明', await page.getByRole('dialog', { name: /键盘快捷键/ }).waitFor({ timeout: 3000 }).then(() => true, () => false))
  await page.keyboard.press('Escape')
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('未保存的工作流', '\n=== 未保存的工作流：命令面板、后台提醒不露「临时图」===', async () => {
  // 画布没保存就跑、问数据当场搭的运行，老后端记的名字是「临时图」。记录页早就换成了
  // 「未保存的工作流」，命令面板的最近运行、待审批提示和后台通知以前还原样露着（3C 返工 D3）
  const unsavedApproval = {
    ...PENDING[1], id: 'shell-ap-unsaved', run_id: 'shell-run-unsaved', title: '这批订单可以放行吗？',
    workflow_id: null, workflow_name: '临时图', created_at: ago(3 * 60_000),
  }
  const unsavedRun = {
    id: 'shell-run-unsaved', workflow_id: null, workflow_name: '临时图', status: 'succeeded', run_class: 'exploratory',
    version: null, input: {}, output: {}, error: null, usage: {}, created_at: ago(5 * 60_000),
  }
  const state = { approvals: [], runs: [unsavedRun], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/runs`)
  await waitNav(page)
  await page.waitForTimeout(500)
  await nav(page).getByRole('button', { name: '后台提醒' }).click()
  await page.evaluate(() => {
    Object.defineProperty(document, 'hidden', { configurable: true, get: () => true })
    document.dispatchEvent(new Event('visibilitychange'))
  })
  state.approvals = [unsavedApproval]
  const noted = await page.waitForFunction(() => window.__notes.some((n) => n.tag === 'approval:shell-ap-unsaved'), null, { timeout: 12000 })
    .then(() => true, () => false)
  const note = (await page.evaluate(() => window.__notes.find((n) => n.tag === 'approval:shell-ap-unsaved'))) ?? {}
  check('后台来了待审批：通知里写「未保存的工作流」，不写「临时图」',
    noted && String(note.body).includes('未保存的工作流') && !String(note.body).includes('临时图'), String(note.body ?? '没发通知'))
  await page.evaluate(() => {
    delete document.hidden
    document.dispatchEvent(new Event('visibilitychange'))
  })

  await page.keyboard.press(`${MOD}+KeyK`)
  const dialog = page.getByRole('dialog', { name: '命令面板' })
  await dialog.waitFor({ timeout: 3000 }).catch(() => {})
  const approvalRow = dialog.locator('[data-command="approval:shell-ap-unsaved"]')
  const runRow = dialog.locator('[data-command="run:shell-run-unsaved"]')
  await runRow.waitFor({ timeout: 5000 }).catch(() => {})
  const approvalText = await approvalRow.innerText().catch(() => '没有这一项')
  const runText = await runRow.innerText().catch(() => '没有这一项')
  check('命令面板的待审批：提示里写「未保存的工作流」', approvalText.includes('未保存的工作流') && !approvalText.includes('临时图'),
    approvalText.replace(/\s+/g, ' '))
  check('命令面板的最近运行：名字是「未保存的工作流」', runText.includes('未保存的工作流') && !runText.includes('临时图'),
    runText.replace(/\s+/g, ' '))
  await page.keyboard.press('Escape')
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('快捷键说明', '\n=== ? 快捷键说明 ===', async () => {
  const state = { approvals: [], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/studio`)
  await waitNav(page)
  await page.waitForTimeout(800)
  // 编排页一进来焦点在助手输入框里，那时的 ? 是打字；先把焦点放回页面
  await page.evaluate(() => document.activeElement?.blur())
  await page.keyboard.press('?')
  const help = page.getByRole('dialog', { name: /键盘快捷键/ })
  check('? 打开快捷键说明', await help.waitFor({ timeout: 3000 }).then(() => true, () => false))
  if (await help.isVisible()) {
    const text = await help.innerText()
    check('有「全局」和「编排页」两组', text.includes('全局') && text.includes('编排页'))
    check('编排页那组标着「当前页」', (await help.locator('section', { hasText: '编排页' }).innerText()).includes('当前页'))
    check(`按平台显示（${isMac ? '⌘K' : 'Ctrl+K'}）`, text.includes(isMac ? '⌘K' : 'Ctrl+K'))
    check('只弹一层', (await page.locator('[role="dialog"][aria-modal="true"]').count()) === 1)
    await page.keyboard.press('Escape')
    check('Esc 关掉', await help.waitFor({ state: 'detached', timeout: 3000 }).then(() => true, () => false))
  }
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('离开前确认', '\n=== 离开前确认 ===', async () => {
  // 页面有没保存的改动时登记一道守卫（lib/leave）。以前设置页只在捕获阶段拦 <a> 的
  // 点击：⌘K、⌥ 数字直接调 navigate()，浏览器后退也不走 <a>，改到一半的表单就这么丢了。
  // 这里用 dev 构建挂出的 window.__leave 登记一道测试守卫：每问一次记一笔，答案由脚本给
  const state = { approvals: PENDING, offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/runs`)
  await waitNav(page)
  const hooked = await page.waitForFunction(() => !!window.__leave, null, { timeout: 5000 }).then(() => true, () => false)
  check('dev 构建挂出了 window.__leave', hooked)
  if (hooked) {
    // 测试守卫要像页面守卫：选「离开」就等于页面卸载，守卫跟着撤；落地之后再登记。
    // 以前它一直登记着、跨页不撤，⌥1 进 /chat 后 ChatPage 把地址 replace 成 /chat/<id>，
    // 这次重定向也被它拦下、又问了几回，计数用 >= 判断，后面几步在点之前就「成立」了
    await page.evaluate(() => {
      window.__asks = []
      window.__answer = null
      window.__guard = () => {
        window.__unguard?.()
        const off = window.__leave.register({
          confirm: (next) => new Promise((resolve) => {
            window.__asks.push(next ? next.pathname + next.search : null)
            window.__answer = (ok) => {
              if (ok) { off(); window.__unguard = null }
              resolve(ok)
            }
          }),
        })
        window.__unguard = off
      }
      window.__guard()
    })
    const asks = () => page.evaluate(() => window.__asks.length)
    const lastAsk = () => page.evaluate(() => window.__asks.at(-1))
    // 恰好问了 n 次：等到第 n 次，再多等一拍——StrictMode 下重复问一次也要抓得到
    const asked = async (n) => {
      const reached = await page.waitForFunction((n) => window.__asks.length >= n, n, { timeout: 3000 }).then(() => true, () => false)
      await page.waitForTimeout(200)
      return reached && (await asks()) === n
    }
    const answer = (ok) => page.evaluate((ok) => { const r = window.__answer; window.__answer = null; r?.(ok) }, ok)
    const where = () => { const u = new URL(page.url()); return u.pathname + u.search }
    const settle = () => page.waitForTimeout(250)
    // 落地后页面可能还会自己 replace 一次（/chat → /chat/<id>）：地址停住 500ms 才算稳
    const landed = async () => {
      let last = where()
      for (let i = 0; i < 20; i++) {
        await page.waitForTimeout(250)
        const now = where()
        if (now === last && i >= 1) return now
        last = now
      }
      return last
    }
    const regard = () => page.evaluate(() => window.__guard())
    const dialog = page.getByRole('dialog', { name: '命令面板' })

    await page.keyboard.press(`${MOD}+KeyK`)
    await dialog.getByRole('combobox').fill('设置')
    await page.keyboard.press('Enter')
    check('⌘K 跳页先问守卫（恰好一次），问的时候地址不动', await asked(1) && where().startsWith('/runs'), `${await asks()} 次 · ${where()}`)
    check('守卫拿得到要去哪', (await lastAsk()) === '/settings', await lastAsk())
    await answer(false)
    await settle()
    check('选「留下」：还在原地，面板也关了', where().startsWith('/runs') && (await dialog.count()) === 0, where())

    await page.evaluate(() => document.activeElement?.blur())
    await page.keyboard.press('Alt+Digit1')
    check('⌥1 切页先问守卫（恰好一次），去向是问数据', await asked(2) && where().startsWith('/runs') && (await lastAsk()) === '/chat',
      `${await asks()} 次 · ${await lastAsk()}`)
    await answer(true)
    check('选「离开」：去到问数据', await page.waitForURL(/\/chat/, { timeout: 5000 }).then(() => true, () => false), where())
    const chatAt = await landed()
    check('……守卫跟着撤了，页面自己的重定向不再被问', (await asks()) === 2, `${await asks()} 次 · ${chatAt}`)
    await regard()

    await nav(page).locator('a[href="/data"]').click()
    check('点左侧导航先问守卫（恰好一次），去向是 /data', await asked(3) && (await lastAsk()) === '/data', `${await asks()} 次 · ${await lastAsk()}`)
    await answer(false)
    await settle()
    check('选「留下」：地址不变', where() === chatAt, `${where()}，应为 ${chatAt}`)

    await page.evaluate(() => history.back())
    check('浏览器后退也先问守卫（恰好一次），去向是上一页', await asked(4) && (await lastAsk()) === '/runs', `${await asks()} 次 · ${await lastAsk()}`)
    await answer(false)
    await page.waitForTimeout(400)
    check('选「留下」：地址退回原处', where() === chatAt, `${where()}，应为 ${chatAt}`)
    await page.evaluate(() => history.back())
    check('再后退又问一次（恰好一次）', await asked(5) && (await lastAsk()) === '/runs', `${await asks()} 次 · ${await lastAsk()}`)
    await answer(true)
    check('后退时选「离开」：真的退回去了', await page.waitForURL(/\/runs/, { timeout: 5000 }).then(() => true, () => false), where())
    await landed()
    await regard()

    const before = await asks()
    await page.locator('[data-approval-badge]').click()
    await page.waitForURL(/tab=approvals/, { timeout: 5000 }).catch(() => {})
    await settle()
    check('同一页里只换 ?tab 不问', (await asks()) === before && /\/runs\?tab=approvals/.test(where()), `${await asks() - before} 次 · ${where()}`)

    // 先建东西再跳的命令：得先问，不然人点了「留下」，会话已经建出来了
    state.writes.length = 0
    await page.keyboard.press(`${MOD}+KeyK`)
    await dialog.getByRole('combobox').fill('新对话')
    await page.keyboard.press('Enter')
    check('⌘K「新对话」先问守卫（恰好一次），去向还没定', await asked(before + 1) && (await lastAsk()) === null,
      `${await asks() - before} 次 · ${await lastAsk()}`)
    check('……问的时候还没建会话', !state.writes.some((w) => w.method === 'POST' && w.path === '/api/conversations'),
      state.writes.map((w) => `${w.method} ${w.path}`).join(', '))
    await answer(false)
    await settle()
    check('选「留下」：不建会话、不跳', !state.writes.some((w) => w.method === 'POST' && w.path === '/api/conversations')
      && where().startsWith('/runs'), where())

    await page.keyboard.press(`${MOD}+KeyK`)
    await dialog.getByRole('combobox').fill('新建工作流')
    await page.keyboard.press('Enter')
    check('⌘K「新建工作流」先问守卫（恰好一次），再问名字', await asked(before + 2)
      && (await page.getByRole('dialog', { name: '新建工作流' }).count()) === 0)
    await answer(false)
    await settle()
    check('选「留下」：不弹起名框', (await page.getByRole('dialog', { name: '新建工作流' }).count()) === 0 && where().startsWith('/runs'))
    check('每一问都有了答复，没有悬着的确认', await page.evaluate(() => window.__answer === null))

    // 关页、刷新：守卫在时浏览器会问（它只给通用文案），撤了就不问
    const unloadAsks = []
    page.on('dialog', (d) => { unloadAsks.push(d.type()); void d.dismiss() })
    await page.close({ runBeforeUnload: true })
    await page.waitForTimeout(500)
    check('有守卫时关页，浏览器先问', unloadAsks.includes('beforeunload') && !page.isClosed(), unloadAsks.join(',') || '没问')

    await page.evaluate(() => window.__unguard())
    const n = await asks()
    await page.evaluate(() => document.activeElement?.blur())
    await page.keyboard.press('Alt+Digit1')
    check('撤掉守卫后照常切页，不再问', await page.waitForURL(/\/chat/, { timeout: 5000 }).then(() => true, () => false)
      && (await asks()) === n, where())
    unloadAsks.length = 0
    await page.close({ runBeforeUnload: true })
    // 页面这回真关了，只能在外面等
    await new Promise((r) => setTimeout(r, 500))
    check('撤掉守卫后关页不再问', unloadAsks.length === 0 && page.isClosed(), unloadAsks.join(','))
  }
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

await section('离开前确认 · 面板开着时后退', '\n=== 离开前确认 · 面板开着时后退 ===', async () => {
  // 命令面板（z 更高、锁焦点）开着时浏览器后退：守卫的确认框被压在面板下面看不见，
  // 焦点又被面板拉回搜索框，Tab、Enter 都落在面板上。用设置页真实的守卫走一遍
  const state = { approvals: PENDING, offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/runs`)
  await waitNav(page)
  await nav(page).locator('a[href="/settings"]').click()
  await page.getByRole('tab', { name: '偏好设置' }).click()
  const actor = page.locator('#pref-actor')
  await actor.waitFor({ timeout: 8000 })
  await actor.fill(`${await actor.inputValue()}x`)
  await page.getByText(/有 1 项(设置)?(还)?没保存|1 项未保存/).first().waitFor({ timeout: 3000 }).catch(() => {})
  await page.keyboard.press(`${MOD}+KeyK`)
  const palette = page.getByRole('dialog', { name: '命令面板' })
  await palette.waitFor({ timeout: 3000 })
  await page.evaluate(() => history.back())
  const confirm = page.getByRole('dialog', { name: /有 1 项设置还没保存/ })
  const shown = await confirm.waitFor({ timeout: 3000 }).then(() => true, () => false)
  await page.waitForTimeout(250)
  check('后退时面板先收起', (await palette.count()) === 0)
  // isVisible 不管遮挡：取确认框正中那一点最上层的元素，得是它自己
  const onTop = shown && await confirm.evaluate((el) => {
    const b = el.getBoundingClientRect()
    return el.contains(document.elementFromPoint(b.left + b.width / 2, b.top + b.height / 2))
  })
  check('离开确认框弹出来、在最上层看得见', onTop)
  const inside = () => page.evaluate(() => !!document.activeElement?.closest('[role="dialog"][aria-modal="true"]:not([data-command-palette])'))
  check('焦点在确认框里', await inside(), await page.evaluate(() => document.activeElement?.outerHTML.slice(0, 80)))
  await page.keyboard.press('Tab')
  check('Tab 之后焦点还在确认框里', await inside())
  await confirm.getByRole('button', { name: '留下来保存' }).click()
  await page.waitForTimeout(300)
  check('选「留下」：还在偏好设置，改动还在', new URL(page.url()).pathname === '/settings/prefs'
    && (await actor.inputValue()).endsWith('x'), page.url())
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

// ---------------------------------------------------------------------------
await section('离线横幅', '\n=== 离线横幅 ===', async () => {
  const state = { approvals: [], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  await waitNav(page)
  await page.waitForTimeout(500)
  state.offline = true
  // 导航遥测点的悬停提示里也有这四个字（隐藏着），只认主区里的横幅
  const banner = page.locator('main').getByText('后端未连接')
  check('断网后出横幅', await banner.waitFor({ timeout: 15000 }).then(() => true, () => false))
  check('横幅是主区第一个孩子（toast 才会跟着下移）',
    // role=alert 只包不变的那几句（整块重念会把倒计时也念一遍），外层认 data-offline-banner
    await page.evaluate(() => document.querySelector('main')?.firstElementChild?.hasAttribute('data-offline-banner') === true))
  const alertText = await page.evaluate(() => document.querySelector('[data-offline-banner] [role="alert"]')?.textContent ?? null)
  check('横幅的播报区只有不变的那几句：倒计时不在里面', alertText != null && alertText.includes('后端未连接') && !/秒后/.test(alertText)
    && /秒后自动重试/.test(await page.locator('[data-offline-banner]').innerText()), alertText ?? '没有 role=alert')
  check('遥测点变成离线', /离线/.test(await nav(page).locator('[data-telemetry]').innerText()))
  state.offline = false
  await page.getByRole('button', { name: '立即重试' }).first().click()
  check('恢复后横幅消失', await banner.waitFor({ state: 'detached', timeout: 8000 }).then(() => true, () => false))
  await ctx.close()
})

/**
 * 启动页的播报区：只能有标题那一处，计时器、倒计时这些一秒一跳的字不能在里面，
 * 外面也不能罩着 aria-busy（它会把播报压住）
 */
const bootLiveRegions = (page) => page.evaluate(() => {
  const root = document.querySelector('[data-boot]')
  const live = [...root.querySelectorAll('[role="status"], [role="alert"], [aria-live]')]
  const texts = live.map((el) => el.textContent)
  return {
    ok: live.length === 1 && !/\d/.test(texts[0]) && !root.closest('[aria-busy="true"]') && !root.querySelector('[aria-busy="true"]'),
    texts,
  }
})

// ---------------------------------------------------------------------------
await section('启动页', '\n=== 启动页 ===', async () => {
  for (const theme of ['dark', 'light']) {
    const state = { approvals: [], offline: true, writes: [] }
    const { ctx, page } = await open({ theme, state })
    await page.goto(`${WEB}/chat`)
    const down = await page.getByText('连不上后端服务').first().waitFor({ timeout: 10000 }).then(() => true, () => false)
    if (theme === 'dark') {
      check('后端没起：启动页说清原因，不再一直「正在连接」', down)
      check('给了重试和先进去两条路', await page.getByRole('button', { name: '立即重试' }).isVisible()
        && await page.getByRole('button', { name: '先进去看看' }).isVisible())
      check('清单逐项写出失败', (await page.locator('[data-check][data-state="error"]').count()) >= 6)
      const live = await bootLiveRegions(page)
      check('读屏只播标题那一句：倒计时不在播报区里', live.ok, JSON.stringify(live))
      state.offline = false
      await page.getByRole('button', { name: '立即重试' }).click()
      check('后端起来后点重试就进去', await waitNav(page).then(() => true, () => false))
    } else {
      const bootBg = await page.evaluate(() => getComputedStyle(document.querySelector('[data-boot]')).backgroundColor)
      check('浅色主题下启动页也是浅色', bootBg === 'rgb(246, 247, 249)', bootBg)
      await page.getByRole('button', { name: '先进去看看' }).click()
      check('「先进去看看」进离线模式，横幅挂着', await page.locator('main').getByText('后端未连接').waitFor({ timeout: 5000 }).then(() => true, () => false))
    }
    await ctx.close()
  }
})

await section('启动页', '', async () => {
  // 后端连着、只有一张表报错：照常进，但要说出来，不然那张表对应的下拉就是空的，看着像"没有"
  const state = { approvals: [], offline: false, writes: [], broken: '/api/skills' }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  await waitNav(page)
  const warn = page.getByText(/有 1 项没加载成功（Skill 500）/)
  const warned = await warn.waitFor({ timeout: 5000 }).then(() => true, () => false)
  check('部分请求报错：照常进页面，并说出哪一项没加载', warned)
  const tone = await nav(page).locator('[data-telemetry]').getAttribute('data-tone')
  check('遥测点记为「降级」（琥珀），不是一片绿', tone === '降级', tone)
  // 那张表一直是空的，提示就一直在：4 秒一闪就没，人还是会对着空列表去新建
  await page.waitForTimeout(4500)
  check('提示常驻，直到那张表取回来', await warn.isVisible())
  state.broken = null
  await page.locator('[role="status"] > div', { hasText: '没加载成功' }).getByRole('button', { name: '重试' }).click({ timeout: 5000 }).catch(() => {})
  check('重试取回来：提示撤掉', await warn.waitFor({ state: 'detached', timeout: 5000 }).then(() => true, () => false))
  await ctx.close()
})

await section('启动页', '', async () => {
  // 后端连得上、请求却卡着不回：「先进去看看」之后不能是一片绿加一屏「还没有工作流」
  const state = { approvals: [], offline: false, writes: [], hang: true }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/studio`)
  const enter = page.getByRole('button', { name: '先进去看看' })
  const slow = await enter.waitFor({ timeout: 12000 }).then(() => true, () => false)
  check('请求卡住：启动页到点改说「比平时慢」', slow && (await page.locator('[data-boot] [role="status"]').innerText()).includes('比平时慢'))
  const live = await bootLiveRegions(page)
  check('读屏只播标题那一句：计时器不在播报区里', live.ok, JSON.stringify(live))
  check('先说清楚进去的代价', (await page.locator('[data-boot]').innerText()).includes('不代表没有数据'))
  await enter.click()
  await waitNav(page)
  const telemetry = nav(page).locator('[data-telemetry]')
  // 这一路唯一的 /health 探活和「先进去看看」同时出现，按钮点得快时它还在路上
  await page.waitForFunction(() => document.querySelector('[data-telemetry]')?.getAttribute('data-telemetry') !== 'checking', null, { timeout: 5000 })
    .catch(() => {})
  const tone = await telemetry.getAttribute('data-tone')
  check('进去以后遥测点不是「在线」，而是「加载中」', tone === '加载中', `${tone} / ${await telemetry.innerText()}`)
  const warn = page.getByText(/没取回来.*先别新建/)
  check('常驻提示点名还没回来的几项，劝先别新建', await warn.waitFor({ timeout: 3000 }).then(() => true, () => false)
    && /工作流/.test(await warn.innerText()), await warn.innerText().catch(() => ''))
  await page.waitForTimeout(4500)
  check('提示是常驻的，不会自己消失', await warn.isVisible())
  await telemetry.click()
  const panel = page.getByRole('dialog', { name: '后端连接' })
  check('遥测浮层里写出哪几项还没回来', /还没回来/.test(await panel.innerText()))
  await page.keyboard.press('Escape')

  state.hang = false
  await page.locator('[role="status"] > div', { hasText: '先别新建' }).getByRole('button', { name: '重试' }).click()
  const settled = await page.waitForFunction(() => document.querySelector('[data-telemetry]')?.getAttribute('data-tone') === '在线', null, { timeout: 8000 })
    .then(() => true, () => false)
  check('重试后全部回来：遥测点回到「在线」', settled, await telemetry.getAttribute('data-tone'))
  check('提示随之撤掉', await warn.waitFor({ state: 'detached', timeout: 3000 }).then(() => true, () => false))
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

await section('启动页', '', async () => {
  // 只有一张表卡住（后端连着）：每个请求最多等 15 秒，到点记成出错。遥测点从「加载中」
  // 转成「降级」，提示也得跟着改口说「没加载成功」，而不是悄悄撤掉——那张表还是空的
  const state = { approvals: [], offline: false, writes: [], hangPath: '/api/tools' }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  // 第一次全量加载要等那一项超时才算落定，启动页到点自己放人进来
  const entered = await nav(page).waitFor({ timeout: 25000 }).then(() => true, () => false)
  check('卡住的那一项超时后，启动页自己放人进来', entered)
  const warn = page.getByText(/有 1 项没加载成功（工具 超时）.*先别新建/)
  check('超时的那一项：进门就说它没加载成功，劝先别新建', await warn.waitFor({ timeout: 5000 }).then(() => true, () => false),
    await warn.innerText().catch(() => '没有这条提示'))
  const telemetry = nav(page).locator('[data-telemetry]')
  check('遥测点记为「降级」', (await telemetry.getAttribute('data-tone')) === '降级', await telemetry.getAttribute('data-tone'))
  await telemetry.click()
  const row = page.getByRole('dialog', { name: '后端连接' }).locator('[data-check="tools"]')
  const rowText = (await row.innerText()).replace(/\s+/g, ' ')
  check('加载清单里那一项写「超时」，不写「连不上」', /超时/.test(rowText), rowText)
  await page.keyboard.press('Escape')
  await page.waitForTimeout(4500)
  check('提示常驻，不会自己消失', await warn.isVisible())
  state.hangPath = null
  await page.locator('[role="status"] > div', { hasText: '没加载成功' }).getByRole('button', { name: '重试' }).click({ timeout: 5000 }).catch(() => {})
  check('重试取回来：提示撤掉', await warn.waitFor({ state: 'detached', timeout: 5000 }).then(() => true, () => false))
  check('遥测点回到「在线」', await page.waitForFunction(() => document.querySelector('[data-telemetry]')?.getAttribute('data-tone') === '在线', null, { timeout: 8000 })
    .then(() => true, () => false), await telemetry.getAttribute('data-tone'))
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

await section('启动页', '', async () => {
  // 取回来过的表，后来的刷新卡住了：手上的列表是真的（失败不清空），遥测点说「加载中」
  // 就够了，不能再弹「列表可能不全，先别新建」吓人
  const state = { approvals: [], offline: false, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  await waitNav(page)
  const telemetry = nav(page).locator('[data-telemetry]')
  await page.waitForFunction(() => document.querySelector('[data-telemetry]')?.getAttribute('data-tone') === '在线', null, { timeout: 10000 }).catch(() => {})
  state.hangPath = '/api/tools'
  await telemetry.click()
  const panel = page.getByRole('dialog', { name: '后端连接' })
  await panel.getByRole('button', { name: '重新检测' }).click()
  // 按钮进忙碌态是下一帧的事。以前按钮一 disabled，焦点就被甩到 body 上，Esc 再也到不了
  // 浮层——点完立刻按 Esc 抢在前头才过得去，机器一忙就卡住。等两帧再按，测的就是忙着的时候
  await page.evaluate(() => new Promise((r) => requestAnimationFrame(() => requestAnimationFrame(r))))
  await page.keyboard.press('Escape')
  const closed = await panel.waitFor({ state: 'detached', timeout: 1500 }).then(() => true, () => false)
  check('重新检测之后 Esc 仍能关掉浮层，焦点没被甩到 body 上', closed,
    closed ? '' : `焦点在 ${await page.evaluate(() => document.activeElement?.tagName)}`)
  // 没关掉就替它关上，后面几项照常量，别让一处失败连带出 30 秒的超时
  if (!closed) await telemetry.click()
  await page.waitForTimeout(3800)
  check('刷新卡住：遥测点说「加载中」', (await telemetry.getAttribute('data-tone')) === '加载中', await telemetry.getAttribute('data-tone'))
  check('……但不弹「先别新建」：那张表之前取回来过', (await page.getByText(/先别新建/).count()) === 0)
  await telemetry.click()
  await panel.waitFor({ timeout: 3000 })
  const panelText = await panel.innerText()
  check('遥测浮层照样写出哪一项还没回来，但不劝别新建', /工具还没回来/.test(panelText) && !/先别急着新建/.test(panelText),
    panelText.replace(/\n/g, ' '))
  await page.keyboard.press('Escape')
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

await section('启动页', '', async () => {
  // 断线时在导航上换了主题：重连后补存进设置，不能被服务端的旧值翻回去
  const state = { approvals: [], offline: true, writes: [] }
  const { ctx, page } = await open({ state })
  await page.goto(`${WEB}/chat`)
  await page.getByRole('button', { name: '先进去看看' }).click({ timeout: 12000 })
  await waitNav(page)
  await nav(page).getByRole('button', { name: /切换到.+主题/ }).click()
  const theme = () => page.evaluate(() => document.documentElement.getAttribute('data-theme'))
  check('离线时也能换主题（深色 → 浅色）', (await theme()) === 'light')
  check('提示说清楚：先在本机生效，连上后自动存', await page.getByText(/连上后端后自动存进设置/).waitFor({ timeout: 3000 }).then(() => true, () => false))
  state.offline = false
  await page.locator('main').getByRole('button', { name: '立即重试' }).first().click()
  await page.locator('main').getByText('后端未连接').waitFor({ state: 'detached', timeout: 8000 }).catch(() => {})
  await page.waitForTimeout(2500)
  check('重连后主题没被服务端的旧值翻回去', (await theme()) === 'light', await theme())
  const put = state.writes.filter((w) => w.method === 'PUT' && w.path === '/api/settings').at(-1)
  check('重连后补存进设置（PUT ui.theme = light）', !!put && JSON.parse(put.body).values.ui.theme === 'light', put?.body ?? '没有请求')
  check('没有未捕获的运行时错误', page.errors.length === 0, page.errors[0] ?? '')
  await ctx.close()
})

await browser.close()
console.log(failed ? `\n✗ ${failed} 项未通过` : '\n✓ 外壳检查全部通过')
process.exit(failed ? 1 : 0)