test(installation): require channel-owned file registrations

Mark native tests as published or installed from the actual smoke harness's
verified manifest/channel/update boundary, saving and restoring the marker.
Installed Settings must find this exact executable's expected registration
and enable Default Apps; a missing registration plus disabled button cannot
silently pass. Published fixtures must remain unregistered.

The marker changes no application behavior and creates no registry state.
Windows user selection, Explorer and lifecycle acceptance remain required.

Validation: zero-warning Release, format, 55 script boundary cases and both
script analyzer partitions; actual installed execution pending.
Refs #14

Co-Authored-By: Codex (GPT-6) <noreply@openai.com>
Signed-off-by: James Maes <jmaes@dmdbrands.com>

build/Test-InstalledUpdates.ps1

@@ -47,6 +47,7 @@ $oldDataDirectory = [Environment]::GetEnvironmentVariable($dataVariable)
 $oldDevDataDirectory = [Environment]::GetEnvironmentVariable($devDataVariable)
 $oldUiChannel = $env:K22_UITEST_CHANNEL
 $oldUiExe = $env:K22_UITEST_EXE
+$oldUiInstalled = $env:K22_UITEST_INSTALLED
 $versions = @(
    @{ channel = 'stable'; version = '0.1.0'; target = '0.4.0' },
    @{ channel = 'stable'; version = '0.4.0'; target = $null },
@@ -189,6 +190,7 @@ try
    if($loose.Installed -or $loose.AppKitSupported -or $null -ne $loose.Version) { throw 'Loose publish output unexpectedly supports updates.' }
    $records.Add(@{ kind = 'loose'; result = $loose })
    $env:K22_UITEST_CHANNEL = 'stable'
+   $env:K22_UITEST_INSTALLED = '0'
    $env:K22_UITEST_EXE = Join-Path $buildRoot "publish/0.1.0/$mainExe"
    Invoke-SmokeProcess -File 'dotnet' -Arguments @('test', "$repositoryRoot/tests/$name.UiTests", '--no-build', '--logger', 'trx;LogFileName=published-ui.trx', '--results-directory', $outputRoot) -TimeoutSeconds 600
    foreach($initial in @($versions[0], $versions[2]))
@@ -244,6 +246,7 @@ try
          Stop-SmokeApp -Exe $currentExe -Confirm:$false
          $after = Get-SmokeResult -Exe $installedProbe -ResultPath (Join-Path $outputRoot "$channel-after.json")
          if($after.Version -ne $initial.target -or $after.Channel -ne $channel -or $null -ne $after.UpdateVersion -or $after.AppKitVersion -ne $initial.target) { throw 'Post-upgrade identity or channel is incorrect.' }
+         $env:K22_UITEST_INSTALLED = '1'
          $env:K22_UITEST_EXE = $currentExe
          Invoke-SmokeProcess -File 'dotnet' -Arguments @('test', "$repositoryRoot/tests/$name.UiTests", '--no-build', '--filter', 'FullyQualifiedName!~CheckForUpdates_InALooseBuild', '--logger', "trx;LogFileName=installed-$channel-ui.trx", '--results-directory', $outputRoot) -TimeoutSeconds 600
          $records.Add(@{ kind = 'installed'; channel = $channel; before = $before; after = $after; restarted = $true; appSha256 = $installedHash })
@@ -274,4 +277,5 @@ finally
    [Environment]::SetEnvironmentVariable($devDataVariable, $oldDevDataDirectory)
    $env:K22_UITEST_CHANNEL = $oldUiChannel
    $env:K22_UITEST_EXE = $oldUiExe
+   $env:K22_UITEST_INSTALLED = $oldUiInstalled
 }

docs/SESSION-STATE.md

@@ -2,7 +2,28 @@
 
 Updated: 2026-10-11
 
-## Current full-run variants and queued source repaint - 2026-10-11
+## Installed association acceptance boundary - 2026-10-11
+
+The installed harness now supplies a saved/restored test-only installation
+marker after its actual manifest/version/channel/update proof, and explicitly
+marks the published copy as portable. The native Default file types case must
+find this exact installed executable's expected channel registration and an
+enabled Windows chooser action. Previously a missing registration and disabled
+button could agree and pass the installed test. Portable evidence must instead
+show no registration. This marker does not change application behavior, create
+registry keys or simulate successful hooks; actual installed execution is still
+required. Windows selection/Explorer/update/uninstall acceptance remains#14.
+
+Prior CI38170170551 is terminal: native93/97 and published93/97,4failures,
+zero skips. Published8m56s now completes inside the existing600second bound;
+its red tests prevent installed outcomes. No deadline was raised. Current native
+and published failures include the reproducible pipe bug, initial source colors,
+nested outline expansion and physical source focus alignment. Exact evidence:
+artifacts/current-installed-9fdfc2d.log and retained installed-update-results.
+Locally signed2fe5853/efe14af prepare the tested IPC correction and queued theme
+repaint; next exact pushed head must verify these and the association boundary.
+
+## Previous full-run variants and queued source repaint - 2026-10-11
 
 Exact9fdfc2d full native job114560940480 is terminal93/97,4failures,zero
 skips (8m59s), despite focused14/15. Retain artifacts/current-native-9fdfc2d.log:

tests/MarkdownViewr.Windows.UiTests/AppTests.Settings.cs

@@ -179,6 +179,17 @@ public partial class AppTests
       var dev = new FileTypeRegistration(Microsoft.Win32.Registry.CurrentUser, session.ExePath, "dev");
       bool registered = stable.GetDefaultAppsUri(supportsAppPage: true) is not null || dev.GetDefaultAppsUri(supportsAppPage: true) is not null;
       Assert.Equal(registered, choose.IsEnabled);
+      string? installedFixture = Environment.GetEnvironmentVariable("K22_UITEST_INSTALLED");
+      if(string.Equals(installedFixture, "1", StringComparison.Ordinal))
+      {
+         FileTypeRegistration installedRegistration = string.Equals(Environment.GetEnvironmentVariable("K22_UITEST_CHANNEL"), "dev", StringComparison.Ordinal) ? dev : stable;
+         Assert.NotNull(installedRegistration.GetDefaultAppsUri(supportsAppPage: true));
+         Assert.True(choose.IsEnabled);
+      }
+      else if(string.Equals(installedFixture, "0", StringComparison.Ordinal))
+      {
+         Assert.False(registered);
+      }
       if(!registered)
       {
          Assert.NotNull(session.FindInApp(cf => cf.ByName("Install or repair MarkdownViewr to make it available in Open with and Default Apps. This preview does not change Windows file associations.")));