Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/scripts/diag-switch-autopsy.mjs

@@ -0,0 +1,52 @@
+// Session-switch autopsy: click between the two heaviest rows repeatedly,
+// recording per-switch (a) settled ms, (b) React commits, (c) top rendered
+// components — so slow switches name themselves.
+import { attach } from './perf/lib/launch.mjs'
+import { sleep } from './perf/lib/cdp.mjs'
+
+const arg = (name, fallback) => {
+  const i = process.argv.indexOf(`--${name}`)
+
+  return i === -1 ? fallback : process.argv[i + 1]
+}
+
+const port = Number(arg('port', 9222))
+const ROUNDS = Number(arg('rounds', 8))
+
+const { cdp, teardown } = await attach({ port })
+
+const SWITCH_ONE = index => `
+  (async () => {
+    const rows = [...document.querySelectorAll('[data-slot="row-button"]')].filter(el => el.offsetParent)
+    if (rows.length < 2) return JSON.stringify({ error: 'rows' })
+    const row = rows[${index} % 2]
+    const rc = window.__RENDER_COUNTS__
+    rc.start()
+    const t0 = performance.now()
+    row.click()
+    let lastMutation = performance.now()
+    const mo = new MutationObserver(() => { lastMutation = performance.now() })
+    mo.observe(document.body, { childList: true, subtree: true, characterData: true })
+    const deadline = performance.now() + 4000
+    while (performance.now() < deadline) {
+      await new Promise(r => requestAnimationFrame(r))
+      if (performance.now() - lastMutation > 150) break
+    }
+    mo.disconnect()
+    rc.stop()
+    const settled = Math.round(performance.now() - t0 - 150)
+    const report = rc.report(6).map(r => r.name + ':' + r.renders + '(' + Math.round(r.totalMs) + 'ms)')
+    return JSON.stringify({ label: (row.textContent ?? '').slice(0, 24), settled, commits: rc.commits(), top: report })
+  })()
+`
+
+try {
+  await cdp.send('Runtime.enable')
+
+  for (let i = 0; i < ROUNDS; i++) {
+    console.log(await cdp.eval(SWITCH_ONE(i)))
+    await sleep(400)
+  }
+} finally {
+  teardown?.()
+}