debug: clean up Windows repro scenarios

script/repro-windows-opentui-crash.ps1

@@ -112,7 +112,8 @@ function Invoke-PtyScenario {
 
   node (Join-Path $PSScriptRoot "repro-windows-opentui-pty-session.mjs") -- --exe $Exe --project $Project --version $Version --seconds $Seconds --scenario $Scenario
   if ($LASTEXITCODE -ne 0) {
-    throw "PTY scenario '$Scenario' failed with exit code $LASTEXITCODE"
+    $script:PtyFailures += "PTY scenario '$Scenario' failed with exit code $LASTEXITCODE"
+    Write-Host "::error::$($script:PtyFailures[-1])"
   }
 }
 
@@ -125,6 +126,9 @@ Write-Host "PROCESSOR_ARCHITECTURE=$env:PROCESSOR_ARCHITECTURE"
 Write-Section "Install opencode-ai@$Version"
 npm uninstall -g opencode-ai opencode-windows-x64 2>$null | Out-Host
 npm install -g "opencode-ai@$Version"
+if ($LASTEXITCODE -ne 0) {
+  throw "npm install opencode-ai@$Version failed with exit code $LASTEXITCODE"
+}
 
 $npmRoot = (npm root -g).Trim()
 $exe = Join-Path $npmRoot "opencode-ai\bin\opencode.exe"
@@ -190,16 +194,30 @@ New-Item -ItemType Directory -Force $ptyRoot | Out-Null
 Push-Location $ptyRoot
 try {
   npm init -y | Out-Host
+  if ($LASTEXITCODE -ne 0) {
+    throw "npm init for PTY harness failed with exit code $LASTEXITCODE"
+  }
   npm install "@lydell/node-pty@1.2.0-beta.12" | Out-Host
+  if ($LASTEXITCODE -ne 0) {
+    throw "npm install @lydell/node-pty failed with exit code $LASTEXITCODE"
+  }
+  $script:PtyFailures = @()
   Invoke-PtyScenario -Scenario "text" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
+  if ($Version -eq "1.17.10") {
+    Invoke-PtyScenario -Scenario "markdown-no-native-render" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
+  }
   Invoke-PtyScenario -Scenario "markdown" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
-  Invoke-PtyScenario -Scenario "bash-auto" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
   Invoke-PtyScenario -Scenario "bash-permission" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
   Invoke-PtyScenario -Scenario "task-permission" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
   Invoke-PtyScenario -Scenario "mcp-npx" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
   if ($Version -eq "1.17.10") {
     Invoke-PtyScenario -Scenario "mcp-npx-no-native-render" -Exe $exe -Project $sessionProject -Version $Version -Seconds $PtySeconds
   }
+  if ($script:PtyFailures.Count -gt 0) {
+    Write-Section "PTY Failures"
+    $script:PtyFailures | ForEach-Object { Write-Host $_ }
+    throw "$($script:PtyFailures.Count) PTY scenario(s) failed"
+  }
 } finally {
   Pop-Location
 }

script/repro-windows-opentui-pty-session.mjs

@@ -126,7 +126,7 @@ function responseText() {
     return "The MCP npx spawn storm initialized and the session completed."
   }
 
-  if (scenario === "markdown") {
+  if (scenario.startsWith("markdown")) {
     const sections = []
     for (let i = 0; i < 40; i++) {
       sections.push(`## Section ${i + 1}`)
@@ -380,7 +380,6 @@ const proc = pty.spawn(
       : scenario.startsWith("task-")
         ? "delegate a small task to a subagent, then summarize"
       : "start a CI repro session and answer briefly",
-    ...(scenario === "bash-auto" ? ["--auto"] : []),
   ],
   {
     name: "xterm-256color",
@@ -411,10 +410,12 @@ proc.onExit((event) => {
 })
 
 const deadline = Date.now() + seconds * 1000
+let completedAt
 while (Date.now() < deadline) {
   if (crashPattern.test(output)) break
   if (exited) break
-  if (providerRequests > 0 && output.includes("fake provider")) break
+  if (!completedAt && output.includes("message=\"exiting loop\"")) completedAt = Date.now()
+  if (completedAt && Date.now() - completedAt > 8000) break
   await delay(500)
 }