fix(install-e2e): await zoom IPC outside Playwright's predicate

Playwright 1.58 accepts a Promise-valued waitForFunction predicate before its false result. Await each zoom read explicitly; cover delayed responses and fresh-install startup.

apps/desktop/e2e/onboarding-settings.spec.ts

@@ -1,14 +1,39 @@
-import { readFileSync } from 'node:fs'
+import { readFileSync, unlinkSync, writeFileSync } from 'node:fs'
 import { createRequire } from 'node:module'
 import path from 'node:path'
 
-import { setupNoProvider } from './fixtures'
+import { buildAppEnv, createSandbox, launchDesktop, setupNoProvider } from './fixtures'
 import { type ElectronApplication, expect, type Page, test } from './test'
 
 const { prepareWindowForInput } = createRequire(import.meta.url)(
   '../../../tests/install/e2e-assets/window-input.cjs',
 ) as { prepareWindowForInput: (app: ElectronApplication, page: Page) => Promise<void> }
 
+test('input setup survives a fresh-install zoom restore before onboarding', async () => {
+  const sandbox = createSandbox('cold-input')
+  unlinkSync(path.join(sandbox.userDataDir, 'zoom-state.json'))
+  writeFileSync(path.join(sandbox.hermesHome, 'config.yaml'), '# no provider\n', 'utf8')
+  let app: ElectronApplication | undefined
+
+  try {
+    const launched = await launchDesktop(buildAppEnv(sandbox))
+    app = launched.app
+    const page = launched.page
+    await page.waitForSelector('button', { state: 'attached' })
+    await prepareWindowForInput(app, page)
+    const later = page.getByRole('button', { name: /choose a provider later/i })
+    await expect(later).toBeVisible({ timeout: 60_000 })
+    const appWindow = await app.browserWindow(page)
+    await appWindow.evaluate(win => win.emit('focus'))
+    await expect.poll(() => appWindow.evaluate(win => win.webContents.getZoomFactor())).toBeCloseTo(1)
+    await later.click({ timeout: 5_000 })
+    await expect(later).toBeHidden()
+  } finally {
+    await app?.close().catch(() => undefined)
+    sandbox.cleanup()
+  }
+})
+
 // Exercise the install driver's input setup against the real renderer/backend,
 // with no installer, update, credentials, or live user data.
 for (const lifecycleEvent of ['focus', 'navigation'] as const) {
@@ -17,6 +42,7 @@ for (const lifecycleEvent of ['focus', 'navigation'] as const) {
     const { app, page, sandbox } = fixture
 
     try {
+      await prepareWindowForInput(app, page)
       const later = page.getByRole('button', { name: /choose a provider later/i })
       await expect(later).toBeVisible({ timeout: 60_000 })
       const zoomFile = path.join(sandbox.userDataDir, 'zoom-state.json')

apps/desktop/e2e/window-input.unit.test.ts

@@ -0,0 +1,43 @@
+import { createRequire } from 'node:module'
+
+import { expect, test } from 'vitest'
+
+const { prepareWindowForInput } = createRequire(import.meta.url)(
+  '../../../tests/install/e2e-assets/window-input.cjs',
+)
+
+test('awaits the zoom response instead of accepting a truthy Promise', async () => {
+  let reads = 0
+  let factor = 0.9
+
+  const zoom = {
+    setPercent: () => undefined,
+    get: async () => {
+      reads++
+
+      if (reads > 1) {factor = 1}
+
+      return { percent: factor * 100 }
+    },
+  }
+
+  const previous = (globalThis as any).hermesDesktop
+
+  ;(globalThis as any).hermesDesktop = { zoom }
+  const window = { evaluate: async (fn: any) => fn({ webContents: { getZoomFactor: () => factor } }) }
+
+  const page = {
+    evaluate: async (fn: any) => fn(),
+    // Playwright 1.58 accepts the predicate's Promise before it resolves.
+    waitForFunction: async (fn: any) => { await fn() },
+    waitForTimeout: async () => undefined,
+  }
+
+  try {
+    await prepareWindowForInput({ browserWindow: async () => window }, page)
+    expect(reads).toBeGreaterThan(1)
+    expect(factor).toBe(1)
+  } finally {
+    ;(globalThis as any).hermesDesktop = previous
+  }
+})

tests/install/e2e-assets/window-input.cjs

@@ -11,10 +11,15 @@ async function prepareWindowForInput(app, page) {
     return true
   })
   if (persistent) {
-    await page.waitForFunction(async () => {
-      const state = await globalThis.hermesDesktop.zoom.get()
-      return state.percent === 100
-    }, undefined, { timeout: 15_000 })
+    // Playwright 1.58 treats an async waitForFunction predicate's Promise as
+    // truthy even when it resolves false. Await each IPC read on the driver.
+    const deadline = Date.now() + 15_000
+    for (;;) {
+      const state = await page.evaluate(() => globalThis.hermesDesktop.zoom.get())
+      if (state.percent === 100) break
+      if (Date.now() >= deadline) throw new Error('timed out waiting for 100% app window zoom')
+      await page.waitForTimeout(100)
+    }
   } else {
     // Older sampled releases have no zoom preference bridge.
     await window.evaluate(win => win.webContents.setZoomLevel(0))