fix(install-e2e): handle startup zoom restore and legacy Unicode output

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

@@ -6,6 +6,35 @@ const { prepareWindowForInput } = createRequire(import.meta.url)(
   '../../../tests/install/e2e-assets/window-input.cjs',
 )
 
+test('reapplies zoom when startup overwrites the first request', async () => {
+  let requests = 0
+  let factor = 0.9
+
+  const previous = (globalThis as any).hermesDesktop
+
+  ;(globalThis as any).hermesDesktop = { zoom: {
+    setPercent: () => { requests++;
+
+ if (requests > 1) {factor = 1} },
+    get: async () => ({ percent: factor * 100 }),
+  } }
+  const window = { evaluate: async (fn: any) => fn({ webContents: { getZoomFactor: () => factor } }) }
+
+  const page = {
+    evaluate: async (fn: any) => fn(),
+    waitForTimeout: async () => {
+      if (requests === 1) {throw new Error('startup overwrote zoom and the driver never reapplied it')}
+    },
+  }
+
+  try {
+    await prepareWindowForInput({ browserWindow: async () => window }, page)
+    expect(requests).toBeGreaterThan(1)
+  } finally {
+    ;(globalThis as any).hermesDesktop = previous
+  }
+})
+
 test('awaits the zoom response instead of accepting a truthy Promise', async () => {
   let reads = 0
   let factor = 0.9

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

@@ -15,7 +15,12 @@ async function prepareWindowForInput(app, page) {
     // 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())
+      const state = await page.evaluate(() => {
+        // Cold-start restoration can overwrite the first preference write.
+        // Reapply through its owner until a subsequent read observes it.
+        globalThis.hermesDesktop.zoom.setPercent(100)
+        return 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)

tests/install/windows-e2e.ps1

@@ -114,6 +114,11 @@ param(
 
 $ErrorActionPreference = "Stop"
 $ProgressPreference = "SilentlyContinue"
+# Match an interactive Unicode console when Python output is piped into the
+# UTF-8 transcript. Old releases otherwise select cp1252 and crash on banners.
+$env:PYTHONIOENCODING = "utf-8"
+[Console]::OutputEncoding = New-Object System.Text.UTF8Encoding $false
+$OutputEncoding = [Console]::OutputEncoding
 
 if (-not $RepoRoot) {
     $RepoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).Path
@@ -380,7 +385,7 @@ function Invoke-HermesUpdate {
         $ErrorActionPreference = $prevEap
     }
     Write-LogGroup "hermes update transcript" $log
-    Assert-True ($updateExit -eq 0) "hermes update exited 0"
+    Assert-True ($updateExit -eq 0) "hermes update exited $updateExit (expected 0)"
 }
 
 function Invoke-HermesDesktopAppUpdate([string]$TargetSha) {