feat(install,update): thread --summary/-Summary through sync and plugin steps

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

scripts/update.ps1

@@ -0,0 +1,43 @@
+[CmdletBinding()]
+param(
+    [switch]$DryRun,
+    [ValidateSet('Codex','Claude','Both')][string]$Client,
+    [ValidateSet('Windows','Linux')][string]$Platform,
+    [switch]$Summary
+)
+$ErrorActionPreference = 'Stop'
+$root = Split-Path $PSScriptRoot -Parent
+. (Join-Path $PSScriptRoot 'lib/plugins.ps1')
+. (Join-Path $PSScriptRoot 'lib/manifest.ps1')
+. (Join-Path $PSScriptRoot 'lib/install-targets.ps1')
+
+$Platform = Read-InstallPlatform -Platform $Platform
+$platform = $Platform.ToLowerInvariant()
+$Client = Read-InstallClient -Client $Client
+
+$homePath = [Environment]::GetFolderPath('UserProfile')
+if (-not $DryRun -and -not (Test-AllManifestsPresent (Get-InstallDestinations -HomePath $homePath -Client $Client))) {
+    throw 'Not installed, use the install script.'
+}
+
+$buildScript = Join-Path $PSScriptRoot 'build.ps1'
+& $buildScript
+if (-not $?) { throw 'Build failed. Update was not started.' }
+$generated = Join-Path $root 'generated'
+if (-not (Test-Path $generated)) { throw 'Generated output is missing after a successful build.' }
+
+$stamp = Get-Date -Format 'yyyyMMdd-HHmmss'
+$shellCommand = 'pwsh -NoProfile -ExecutionPolicy Bypass -File'
+$windowsShellCommand = 'powershell -NoProfile -ExecutionPolicy Bypass -File'
+if ([Environment]::OSVersion.Platform -eq [PlatformID]::Win32NT) { $shellCommand = $windowsShellCommand }
+
+foreach ($item in (Get-InstallTargets -Generated $generated -HomePath $homePath -Platform $platform -Client $Client)) {
+    Sync-ManagedDestination -Source $item.Source -Destination $item.Destination -Stamp $stamp `
+        -AiConfigRoot $item.Destination.Replace('\','/') -ShellCommand $shellCommand -WindowsShellCommand $windowsShellCommand -DryRun:$DryRun -Summary:$Summary
+}
+
+$plugins = Select-ConfiguredPlugins -RepositoryRoot $root -Client $Client -Mode 'Update' -DryRun:$DryRun
+Install-ConfiguredPlugins -RepositoryRoot $root -Client $Client -DryRun:$DryRun -Update -Summary:$Summary -Entries $plugins.Selected
+Uninstall-DeselectedPlugins -Entries $plugins.Deselected -Client $Client -DryRun:$DryRun -Summary:$Summary
+Write-Output ($(if ($DryRun) { 'PASS update dry-run' } else { 'PASS update' }))
+exit 0