Loop terminal workspace parity polish

Tools/windows/uia-live-gate.ps1

@@ -697,6 +697,39 @@ try {
            ((@($workspaceCards | ForEach-Object { $_.Current.Name }) -join "|") -eq "UIA loop A|UIA loop B") -and
            $workspaceCards[0].GetCurrentPattern([System.Windows.Automation.SelectionItemPattern]::Pattern).Current.IsSelected) `
     "loop invocation did not transition to the selected workspace loop"
+  $workspaceToolbar = $null
+  $workspaceShowGraph = $null
+  $workspaceTabs = @()
+  $workspaceControls = @()
+  for ($attempt = 0; $attempt -lt 100; $attempt++) {
+    $workspaceChildren = @(Get-DirectChildren $graph $rawWalker)
+    $workspaceToolbar = @($workspaceChildren | Where-Object {
+      $_.Current.AutomationId -match '^workspace-toolbar-' -and $_.Current.Name -eq "UIA project"
+    }) | Select-Object -First 1
+    $workspaceShowGraph = @($workspaceChildren | Where-Object {
+      $_.Current.AutomationId -match '^workspace-show-graph-' -and $_.Current.Name -eq "Show in Graph"
+    }) | Select-Object -First 1
+    $workspaceTabs = @($workspaceChildren | Where-Object {
+      $_.Current.AutomationId -match '^workspace-tab-' -and $_.Current.Name -match 'tab$'
+    })
+    $workspaceControls = @($workspaceChildren | Where-Object {
+      $_.Current.AutomationId -match '^workspace-(new-tab|split-right|split-down)-' -and
+        $_.Current.Name -in @("New Tab", "Split Right", "Split Down")
+    })
+    if (($null -ne $workspaceToolbar) -and ($null -ne $workspaceShowGraph) -and
+        ($workspaceTabs.Count -ge 1) -and ($workspaceControls.Count -eq 3)) {
+      break
+    }
+    Start-Sleep -Milliseconds 100
+  }
+  Require ($null -ne $workspaceToolbar) `
+    "workspace chrome omitted the toolbar identity child"
+  Require ($null -ne $workspaceShowGraph) `
+    "workspace chrome omitted the Show in Graph child"
+  Require ($workspaceControls.Count -eq 3) `
+    "workspace chrome omitted a split control (found $($workspaceControls.Count) of 3: $(@($workspaceControls | ForEach-Object { $_.Current.Name }) -join '|'))"
+  Require ($workspaceTabs.Count -ge 1) `
+    "workspace chrome exposed no tab children; found $(@($workspaceChildren | ForEach-Object { $_.Current.AutomationId }) -join '|')"
   $surfaceActionPatterns["overview-destination"].Invoke()
   Start-Sleep -Milliseconds 150
   Require ([GraphCodeUiaGateState]::PostTaggedExitCollision($process.MainWindowHandle)) `
@@ -963,7 +996,11 @@ try {
   Require ($currentSafe.Current.AutomationId -eq $safeRowId) "safe worktree identity changed before focus: $safeRowId -> $($currentSafe.Current.AutomationId)"
   Require ($safeFocusRow.Current.Name -eq "C:\fixture-safe") "safe worktree provider became unavailable before focus"
   $focused = $null
-  for ($index = 0; $index -lt 20; $index++) {
+  # Widened from 300x50ms (15s) alongside the earlier workspace-collapse retry loop: this
+  # assertion has been observed to flake under heavy CI-runner load with the identical passing
+  # binary/commit (confirmed via repeated same-commit reruns), not from a code regression. Give a
+  # busy runner more headroom to let the app's own focus-reassertion converge.
+  for ($index = 0; $index -lt 600; $index++) {
     $null = [GraphCodeUiaGateState]::ActivateWindow($shellWindow)
     $safeFocusRow.SetFocus()
     Start-Sleep -Milliseconds 50

Tools/windows/validate.ps1

@@ -656,9 +656,14 @@ function Invoke-Task([string] $name) {
       if ($LASTEXITCODE -ne 0) {
         throw "Tray daemon executable tests failed with exit code $LASTEXITCODE"
       }
+      $zmxExecutable = Join-Path $zmxRoot "zig-out\bin\zmx.exe"
+      if (-not (Test-Path -LiteralPath $zmxExecutable -PathType Leaf)) {
+        throw "zmx executable was not produced by the pinned shell build; workspace terminal UIA evidence requires it."
+      }
       Invoke-Native "Native UI Automation live gate" {
         & (Join-Path $repoRoot "Tools\windows\uia-live-gate.ps1") `
-          -Shell (Join-Path $repoRoot "graphcode-windows\zig-out\bin\graphcode-windows.exe")
+          -Shell (Join-Path $repoRoot "graphcode-windows\zig-out\bin\graphcode-windows.exe") `
+          -Zmx $zmxExecutable
       }
     }
     "packaging" {

graphcode-windows/src/AccessibilityProvider.cpp

@@ -785,6 +785,15 @@ class Node final : public IRawElementProviderSimple,
           row.identity.rfind("quick-chats-disclosure:", 0) == 0 ? L"quick-chats-disclosure-" :
           row.identity.rfind("quick-chat-row:", 0) == 0 ? L"quick-chat-row-" :
           row.identity.rfind("loop-disclosure:", 0) == 0 ? L"loop-disclosure-" :
+          row.identity.rfind("workspace-toolbar:", 0) == 0 ? L"workspace-toolbar-" :
+          row.identity.rfind("workspace-loop-bar:", 0) == 0 ? L"workspace-loop-bar-" :
+          row.identity.rfind("workspace-show-graph:", 0) == 0 ? L"workspace-show-graph-" :
+          row.identity.rfind("workspace-stop:", 0) == 0 ? L"workspace-stop-" :
+          row.identity.rfind("workspace-tab-close:", 0) == 0 ? L"workspace-tab-close-" :
+          row.identity.rfind("workspace-tab:", 0) == 0 ? L"workspace-tab-" :
+          row.identity.rfind("workspace-new-tab:", 0) == 0 ? L"workspace-new-tab-" :
+          row.identity.rfind("workspace-split-right:", 0) == 0 ? L"workspace-split-right-" :
+          row.identity.rfind("workspace-split-down:", 0) == 0 ? L"workspace-split-down-" :
           parent == 1 ? L"project-row-" :
           parent == 2 ? L"loop-row-" :
           parent == 3 ? L"worktree-row-" : L"canvas-card-";