fix: harnais E2E local anti-blocage BUG-080

scripts/run-e2e-local.ps1

@@ -34,6 +34,35 @@ $BaseUrl = "http://127.0.0.1:$Port"
 $ServerLog = "data/e2e-server.log"
 $ServerErrLog = "data/e2e-server.err.log"
 
+# BUG-080 : garde-fous anti-blocage (un run E2E ne doit jamais pendre toute la nuit).
+$TestTimeoutSec = if ($env:E2E_TIMEOUT_SEC) { [int]$env:E2E_TIMEOUT_SEC } else { 900 }
+$BrowserTimeoutSec = if ($env:E2E_BROWSER_INSTALL_TIMEOUT_SEC) { [int]$env:E2E_BROWSER_INSTALL_TIMEOUT_SEC } else { 600 }
+
+function Invoke-NativeWithTimeout([string]$Label, [int]$TimeoutSec, [string]$Exe, [string[]]$Args) {
+    # Lance un processus natif en gardant la sortie console en direct, et le
+    # tue après $TimeoutSec s'il n'a pas terminé (exit 124, comme `timeout`).
+    $stamp = Get-Date -Format "HH:mm:ss"
+    Write-Host "[$stamp] $Label (timeout ${TimeoutSec}s)..."
+    $proc = Start-Process -FilePath $Exe -ArgumentList $Args -NoNewWindow -PassThru
+    $proc | Wait-Process -Timeout $TimeoutSec -ErrorAction SilentlyContinue
+    if (-not $proc.HasExited) {
+        Write-Host "[ERR] $Label : timeout après ${TimeoutSec}s, arrêt du processus (PID $($proc.Id))."
+        Stop-Process -Id $proc.Id -Force -ErrorAction SilentlyContinue
+        return 124
+    }
+    return $proc.ExitCode
+}
+
+function Test-ChromiumInstalled {
+    $base = Join-Path $env:USERPROFILE "AppData\Local\ms-playwright"
+    if (-not (Test-Path -LiteralPath $base)) { return $false }
+    $hit = Get-ChildItem -LiteralPath $base -Directory -ErrorAction SilentlyContinue |
+        Where-Object { $_.Name -like "chromium-*" } |
+        Where-Object { Test-Path -LiteralPath (Join-Path $_.FullName "chrome-win\chrome.exe") } |
+        Select-Object -First 1
+    return ($null -ne $hit)
+}
+
 function Assert-Command([string]$Name, [string]$Hint) {
     if (-not (Get-Command $Name -ErrorAction SilentlyContinue)) {
         throw "[ERR] $Name introuvable. $Hint"
@@ -102,13 +131,20 @@ try {
     Write-Host "[OK] Serveur prêt."
 
     # ----- Browsers Playwright (no-op s'ils sont déjà installés) -----
-    npx playwright install chromium
+    # BUG-080 : `--yes` (jamais de prompt interactif npx qui pend), skip si un
+    # chromium est déjà présent (sauf E2E_INSTALL_BROWSERS=1), timeout dédié.
+    if (($env:E2E_INSTALL_BROWSERS -eq "1") -or (-not (Test-ChromiumInstalled))) {
+        $code = Invoke-NativeWithTimeout "npx playwright install chromium" $BrowserTimeoutSec "npx" @("--yes", "playwright", "install", "chromium")
+        if ($code -ne 0) { exit $code }
+    } else {
+        Write-Host "[INFO] Chromium Playwright déjà installé, étape sautée (E2E_INSTALL_BROWSERS=1 pour forcer)."
+    }
 
     # ----- Exécution de la suite (projet CI : chromium-desktop) -----
     Write-Host "[INFO] BASE_URL=$BaseUrl npx playwright test --project=chromium-desktop $($PlaywrightArgs -join ' ')"
     $env:BASE_URL = $BaseUrl
-    & npx playwright test --project=chromium-desktop @PlaywrightArgs
-    $exitCode = $LASTEXITCODE
+    $testArgs = @("--yes", "playwright", "test", "--project=chromium-desktop") + @($PlaywrightArgs)
+    $exitCode = Invoke-NativeWithTimeout "playwright test" $TestTimeoutSec "npx" $testArgs
 } finally {
     Write-Host "[INFO] Arrêt du serveur (PID $($server.Id))..."
     if (-not $server.HasExited) { Stop-Process -Id $server.Id -Force -ErrorAction SilentlyContinue }