更新

app/scripts/build_macos.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 project_root="$(cd "$(dirname "$0")/.." && pwd)"
 python_bin="${PYINSTALLER_PYTHON:-$project_root/.venv-build/bin/python}"
 companion_root="$project_root/video_companion"
+macos_icon="$project_root/resources/branding/app-icon.icns"
 
 if [[ "$(uname -s)" != "Darwin" ]]; then
   echo "The macOS bundle must be built on macOS." >&2
@@ -13,6 +14,10 @@ if [[ ! -x "$python_bin" ]]; then
   echo "Build Python was not found: $python_bin" >&2
   exit 2
 fi
+if [[ ! -f "$macos_icon" ]]; then
+  echo "macOS application icon was not found: $macos_icon" >&2
+  exit 2
+fi
 
 if [[ "${SKIP_FRONTEND_INSTALL:-0}" != "1" ]]; then
   npm ci --prefix "$companion_root" --no-audit --no-fund

app/scripts/build_windows.ps1

@@ -8,6 +8,7 @@ $ErrorActionPreference = "Stop"
 $ProjectRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path
 $CompanionRoot = Join-Path $ProjectRoot "video_companion"
 $Spec = Join-Path $ProjectRoot "packaging\doctor_workstation.spec"
+$WindowsIcon = Join-Path $ProjectRoot "resources\branding\app-icon.ico"
 
 function Invoke-FrozenGate {
     param(
@@ -153,6 +154,9 @@ if (-not [System.IO.Path]::IsPathRooted($Python)) {
 if (-not (Test-Path -LiteralPath $Python -PathType Leaf)) {
     throw "Build Python was not found: $Python"
 }
+if (-not (Test-Path -LiteralPath $WindowsIcon -PathType Leaf)) {
+    throw "Windows application icon was not found: $WindowsIcon"
+}
 
 $Npm = (Get-Command npm.cmd -ErrorAction Stop).Source
 Push-Location $ProjectRoot

app/scripts/ensure_inno_setup.ps1

@@ -0,0 +1,102 @@
+[CmdletBinding()]
+param()
+
+$ErrorActionPreference = "Stop"
+$ProjectRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path
+$ToolVersion = "6.7.3"
+$ToolRoot = Join-Path $ProjectRoot ".build-tools\inno-setup-$ToolVersion"
+$Compiler = Join-Path $ToolRoot "ISCC.exe"
+$DownloadRoot = Join-Path $ProjectRoot ".build-tools\downloads"
+$Installer = Join-Path $DownloadRoot "innosetup-$ToolVersion.exe"
+$InstallerUrl = (
+    "https://github.com/jrsoftware/issrc/releases/download/" +
+    "is-6_7_3/innosetup-$ToolVersion.exe"
+)
+$InstallerSha256 = "9C73C3BAE7ED48D44112A0F48E66742C00090BDB5BEF71D9D3C056C66E97B732"
+$LanguageRoot = Join-Path $ProjectRoot ".build-tools\inno-languages"
+$ChineseMessages = Join-Path $LanguageRoot "ChineseSimplified.isl"
+$ChineseMessagesUrl = (
+    "https://raw.githubusercontent.com/jrsoftware/issrc/" +
+    "6ef32198ef1f7b7b375cd4b6b90896c2a58eb4c2/Files/Languages/ChineseSimplified.isl"
+)
+$ChineseMessagesSha256 = "E0B0B350E2245F3C5E65586DFE43D574F6E7F06F2261149ABA284954B3FC9A8D"
+
+function Test-Compiler {
+    param([Parameter(Mandatory = $true)][string]$Candidate)
+
+    if (-not (Test-Path -LiteralPath $Candidate -PathType Leaf)) {
+        return $false
+    }
+    $ReleaseNotes = Join-Path (Split-Path -Parent $Candidate) "whatsnew.htm"
+    if (-not (Test-Path -LiteralPath $ReleaseNotes -PathType Leaf)) {
+        return $false
+    }
+    $ReleaseText = [System.IO.File]::ReadAllText($ReleaseNotes)
+    $VersionMatch = [regex]::Match($ReleaseText, '<span class="ver">([0-9.]+)')
+    return $VersionMatch.Success -and $VersionMatch.Groups[1].Value -eq $ToolVersion
+}
+
+New-Item -ItemType Directory -Path $LanguageRoot -Force | Out-Null
+if (Test-Path -LiteralPath $ChineseMessages -PathType Leaf) {
+    $ExistingLanguageHash = (Get-FileHash -LiteralPath $ChineseMessages -Algorithm SHA256).Hash
+    if ($ExistingLanguageHash -ne $ChineseMessagesSha256) {
+        Remove-Item -LiteralPath $ChineseMessages -Force
+    }
+}
+if (-not (Test-Path -LiteralPath $ChineseMessages -PathType Leaf)) {
+    Write-Host "Downloading the pinned Simplified Chinese installer messages..."
+    Invoke-WebRequest -Uri $ChineseMessagesUrl -OutFile $ChineseMessages -UseBasicParsing
+}
+$ActualLanguageHash = (Get-FileHash -LiteralPath $ChineseMessages -Algorithm SHA256).Hash
+if ($ActualLanguageHash -ne $ChineseMessagesSha256) {
+    throw "Inno Setup language checksum mismatch. Expected $ChineseMessagesSha256; found $ActualLanguageHash"
+}
+
+foreach ($Candidate in @(
+    $Compiler,
+    (Join-Path ${env:ProgramFiles(x86)} "Inno Setup 6\ISCC.exe"),
+    (Join-Path $env:LOCALAPPDATA "Programs\Inno Setup 6\ISCC.exe")
+)) {
+    if ($Candidate -and (Test-Compiler -Candidate $Candidate)) {
+        Write-Output (Resolve-Path -LiteralPath $Candidate).Path
+        exit 0
+    }
+}
+
+New-Item -ItemType Directory -Path $DownloadRoot -Force | Out-Null
+if (Test-Path -LiteralPath $Installer -PathType Leaf) {
+    $ExistingHash = (Get-FileHash -LiteralPath $Installer -Algorithm SHA256).Hash
+    if ($ExistingHash -ne $InstallerSha256) {
+        Remove-Item -LiteralPath $Installer -Force
+    }
+}
+
+if (-not (Test-Path -LiteralPath $Installer -PathType Leaf)) {
+    Write-Host "Downloading pinned Inno Setup $ToolVersion compiler..."
+    Invoke-WebRequest -Uri $InstallerUrl -OutFile $Installer -UseBasicParsing
+}
+
+$ActualHash = (Get-FileHash -LiteralPath $Installer -Algorithm SHA256).Hash
+if ($ActualHash -ne $InstallerSha256) {
+    throw "Inno Setup download checksum mismatch. Expected $InstallerSha256; found $ActualHash"
+}
+$Signature = Get-AuthenticodeSignature -LiteralPath $Installer
+if ($Signature.Status -ne [System.Management.Automation.SignatureStatus]::Valid) {
+    throw "Inno Setup download does not have a valid Authenticode signature: $($Signature.Status)"
+}
+if (-not $Signature.SignerCertificate -or
+    $Signature.SignerCertificate.Subject -notmatch "O=Pyrsys B\.V\.") {
+    throw "Inno Setup download has an unexpected signer"
+}
+
+New-Item -ItemType Directory -Path $ToolRoot -Force | Out-Null
+Write-Host "Installing the pinned Inno Setup compiler into $ToolRoot ..."
+& $Installer /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /CURRENTUSER "/DIR=$ToolRoot"
+if ($LASTEXITCODE -ne 0) {
+    throw "Inno Setup compiler installation failed with exit code $LASTEXITCODE"
+}
+if (-not (Test-Compiler -Candidate $Compiler)) {
+    throw "Inno Setup installation completed without ISCC.exe: $Compiler"
+}
+
+Write-Output $Compiler

app/scripts/generate_brand_assets.py

@@ -0,0 +1,139 @@
+"""Generate deterministic application-brand assets from the approved master PNG."""
+
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+from PIL import Image, ImageDraw
+
+PROJECT_ROOT = Path(__file__).resolve().parents[1]
+DEFAULT_MASTER = PROJECT_ROOT / "resources" / "branding" / "brand-master.png"
+BRANDING_ROOT = PROJECT_ROOT / "resources" / "branding"
+VIDEO_PUBLIC_ROOT = PROJECT_ROOT / "video_companion" / "public"
+ICON_SIZES = (16, 20, 24, 32, 40, 48, 64, 128, 256)
+
+
+def _transparent_connected_background(image: Image.Image) -> Image.Image:
+    """Remove only near-white pixels connected to the crop boundary.
+
+    The logo contains intentional white ECG strokes.  A global color-key would
+    erase them, whereas a connected-background mask preserves enclosed whites.
+    """
+
+    rgb = image.convert("RGB")
+    candidates = Image.new("L", rgb.size)
+    candidates.putdata(
+        [
+            255
+            if min(pixel) >= 185 and max(pixel) - min(pixel) <= 70
+            else 0
+            for pixel in rgb.getdata()
+        ]
+    )
+    ImageDraw.floodfill(candidates, (0, 0), 128, thresh=0)
+    alpha = candidates.point(lambda value: 0 if value == 128 else 255)
+    rgba = rgb.convert("RGBA")
+    rgba.putalpha(alpha)
+    return rgba
+
+
+def _square_icon(image: Image.Image, size: int = 1024, padding: int = 72) -> Image.Image:
+    available = size - padding * 2
+    scale = min(available / image.width, available / image.height)
+    rendered = image.resize(
+        (round(image.width * scale), round(image.height * scale)),
+        Image.Resampling.LANCZOS,
+    )
+    tile = Image.new("RGBA", (size, size), (0, 0, 0, 0))
+    tile_mask = Image.new("L", (size, size), 0)
+    ImageDraw.Draw(tile_mask).rounded_rectangle(
+        (24, 24, size - 24, size - 24),
+        radius=190,
+        fill=255,
+    )
+    white_tile = Image.new("RGBA", (size, size), (255, 255, 255, 255))
+    tile.paste(white_tile, mask=tile_mask)
+    tile.alpha_composite(
+        rendered.convert("RGBA"),
+        ((size - rendered.width) // 2, (size - rendered.height) // 2),
+    )
+    return tile
+
+
+def generate(master_path: Path) -> tuple[Path, ...]:
+    master = Image.open(master_path).convert("RGB")
+    if master.size != (1254, 1254):
+        raise ValueError(f"expected a 1254x1254 brand master, got {master.size}")
+
+    BRANDING_ROOT.mkdir(parents=True, exist_ok=True)
+    VIDEO_PUBLIC_ROOT.mkdir(parents=True, exist_ok=True)
+
+    lockup_bbox = _transparent_connected_background(master).getchannel("A").getbbox()
+    if lockup_bbox is None:
+        raise ValueError("brand lockup extraction produced an empty image")
+    left, top, right, bottom = lockup_bbox
+    full_lockup = master.crop(
+        (
+            max(0, left - 28),
+            max(0, top - 28),
+            min(master.width, right + 28),
+            min(master.height, bottom + 28),
+        )
+    )
+
+    # The supplied artwork places the pictorial mark wholly above y=720.  The
+    # crop intentionally excludes the Chinese and English lockup for legible
+    # Windows/macOS small icons.
+    mark_crop = master.crop((300, 110, 980, 720))
+    mark_bbox = _transparent_connected_background(mark_crop).getchannel("A").getbbox()
+    if mark_bbox is None:
+        raise ValueError("application icon extraction produced an empty image")
+    left, top, right, bottom = mark_bbox
+    app_icon = _square_icon(
+        mark_crop.crop(
+            (
+                max(0, left - 12),
+                max(0, top - 12),
+                min(mark_crop.width, right + 12),
+                min(mark_crop.height, bottom + 12),
+            )
+        )
+    )
+
+    lockup_path = BRANDING_ROOT / "brand-lockup.png"
+    icon_png_path = BRANDING_ROOT / "app-icon.png"
+    icon_ico_path = BRANDING_ROOT / "app-icon.ico"
+    icon_icns_path = BRANDING_ROOT / "app-icon.icns"
+    favicon_path = VIDEO_PUBLIC_ROOT / "favicon.png"
+
+    full_lockup.save(lockup_path, optimize=True)
+    app_icon.save(icon_png_path, optimize=True)
+    app_icon.save(
+        icon_ico_path,
+        format="ICO",
+        sizes=[(size, size) for size in ICON_SIZES],
+    )
+    app_icon.save(icon_icns_path, format="ICNS")
+    app_icon.resize((64, 64), Image.Resampling.LANCZOS).save(
+        favicon_path,
+        optimize=True,
+    )
+
+    return lockup_path, icon_png_path, icon_ico_path, icon_icns_path, favicon_path
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--master", type=Path, default=DEFAULT_MASTER)
+    args = parser.parse_args()
+    master_path = args.master.resolve()
+    if not master_path.is_file():
+        parser.error(f"brand master is missing: {master_path}")
+    for output in generate(master_path):
+        print(output)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

app/scripts/package_windows.ps1

@@ -17,8 +17,12 @@ $Executable = Join-Path $Artifact "DoctorWorkstation.exe"
 $DistributionRoot = Join-Path $ProjectRoot "dist"
 $ReleaseLauncherTemplate = Join-Path $ProjectRoot "packaging\windows\start_release.bat"
 $ReleaseLauncher = Join-Path $DistributionRoot "Start_DoctorWorkstation.bat"
+$InstallerDefinition = Join-Path $ProjectRoot "packaging\windows\doctor_workstation.iss"
+$EnsureInstallerCompiler = Join-Path $PSScriptRoot "ensure_inno_setup.ps1"
+$InstallerMessagesFile = Join-Path $ProjectRoot ".build-tools\inno-languages\ChineseSimplified.isl"
 $ProjectMetadata = Join-Path $ProjectRoot "pyproject.toml"
 $MediaSmokeHook = Join-Path $ProjectRoot "packaging\runtime_media_smoke.py"
+$WindowsIcon = Join-Path $ProjectRoot "resources\branding\app-icon.ico"
 
 function Test-BuildPython {
     param([Parameter(Mandatory = $true)][string]$Candidate)
@@ -51,7 +55,10 @@ try {
         (Join-Path $ProjectRoot "uv.lock"),
         $ProjectMetadata,
         $MediaSmokeHook,
-        $ReleaseLauncherTemplate
+        $WindowsIcon,
+        $ReleaseLauncherTemplate,
+        $InstallerDefinition,
+        $EnsureInstallerCompiler
     )) {
         if (-not (Test-Path -LiteralPath $RequiredFile -PathType Leaf)) {
             throw "Required build file is missing: $RequiredFile"
@@ -76,7 +83,7 @@ try {
             -not (Test-BuildPython -Candidate $FallbackPython)) {
             throw "Neither uv nor a usable Python environment with build dependencies was found."
         }
-        Write-Host "Windows package entry validation passed."
+        Write-Host "Windows package entry validation passed. No artifacts were generated."
         exit 0
     }
 
@@ -161,6 +168,8 @@ try {
     $ReleaseZip = Join-Path $DistributionRoot (
         "DoctorWorkstation-Windows-x64-$ProjectVersion.zip"
     )
+    $InstallerBaseName = "DoctorWorkstation-Setup-Windows-x64-$ProjectVersion"
+    $InstallerArtifact = Join-Path $DistributionRoot "$InstallerBaseName.exe"
     $ChecksumFile = Join-Path $DistributionRoot "SHA256SUMS.txt"
     Copy-Item -LiteralPath $ReleaseLauncherTemplate -Destination $ReleaseLauncher -Force
     if (Test-Path -LiteralPath $ReleaseZip) {
@@ -192,15 +201,54 @@ try {
         throw "Packaging completed without the expected ZIP: $ReleaseZip"
     }
 
+    if (Test-Path -LiteralPath $InstallerArtifact) {
+        Remove-Item -LiteralPath $InstallerArtifact -Force
+    }
+    Write-Host "Preparing the pinned Inno Setup compiler..."
+    $InnoCompiler = (& $EnsureInstallerCompiler | Select-Object -Last 1)
+    if (-not $InnoCompiler -or
+        -not (Test-Path -LiteralPath $InnoCompiler -PathType Leaf)) {
+        throw "Unable to locate the Inno Setup compiler"
+    }
+    if (-not (Test-Path -LiteralPath $InstallerMessagesFile -PathType Leaf)) {
+        throw "Simplified Chinese installer messages are missing: $InstallerMessagesFile"
+    }
+
+    Write-Host "Creating the Windows installer..."
+    & $InnoCompiler `
+        "/DAppVersion=$ProjectVersion" `
+        "/DSourceDir=$Artifact" `
+        "/DOutputDir=$DistributionRoot" `
+        "/DSetupBaseName=$InstallerBaseName" `
+        "/DChineseMessagesFile=$InstallerMessagesFile" `
+        "/DAppIconFile=$WindowsIcon" `
+        $InstallerDefinition
+    if ($LASTEXITCODE -ne 0) {
+        throw "Inno Setup failed with exit code $LASTEXITCODE"
+    }
+    if (-not (Test-Path -LiteralPath $InstallerArtifact -PathType Leaf)) {
+        throw "Installer compilation completed without the expected artifact: $InstallerArtifact"
+    }
+
     $ReleaseHash = (Get-FileHash -LiteralPath $ReleaseZip -Algorithm SHA256).Hash
-    $ChecksumLine = "$ReleaseHash  $([System.IO.Path]::GetFileName($ReleaseZip))`r`n"
+    $InstallerHash = (Get-FileHash -LiteralPath $InstallerArtifact -Algorithm SHA256).Hash
+    $ChecksumLines = @(
+        "$InstallerHash  $([System.IO.Path]::GetFileName($InstallerArtifact))",
+        "$ReleaseHash  $([System.IO.Path]::GetFileName($ReleaseZip))"
+    )
     $Utf8WithoutBom = New-Object System.Text.UTF8Encoding($false)
-    [System.IO.File]::WriteAllText($ChecksumFile, $ChecksumLine, $Utf8WithoutBom)
+    [System.IO.File]::WriteAllText(
+        $ChecksumFile,
+        (($ChecksumLines -join "`r`n") + "`r`n"),
+        $Utf8WithoutBom
+    )
 
     Write-Host "Windows package complete." -ForegroundColor Green
     Write-Host "Artifact: $Artifact" -ForegroundColor Green
+    Write-Host "Installer: $InstallerArtifact" -ForegroundColor Green
     Write-Host "Release ZIP: $ReleaseZip" -ForegroundColor Green
-    Write-Host "SHA-256: $ReleaseHash" -ForegroundColor Green
+    Write-Host "Installer SHA-256: $InstallerHash" -ForegroundColor Green
+    Write-Host "ZIP SHA-256: $ReleaseHash" -ForegroundColor Green
     exit 0
 }
 catch {

app/scripts/smoke_windows_installer.ps1

@@ -0,0 +1,157 @@
+[CmdletBinding()]
+param(
+    [string]$Installer
+)
+
+$ErrorActionPreference = "Stop"
+Add-Type -AssemblyName System.Drawing
+$ProjectRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path
+
+function Get-AssociatedIconHash {
+    param([Parameter(Mandatory = $true)][string]$FilePath)
+
+    $Icon = [System.Drawing.Icon]::ExtractAssociatedIcon($FilePath)
+    if (-not $Icon) {
+        throw "Unable to extract the Windows icon from: $FilePath"
+    }
+    $Bitmap = New-Object System.Drawing.Bitmap 32, 32
+    $Graphics = [System.Drawing.Graphics]::FromImage($Bitmap)
+    $Stream = New-Object System.IO.MemoryStream
+    $Hasher = [System.Security.Cryptography.SHA256]::Create()
+    try {
+        $Graphics.Clear([System.Drawing.Color]::Transparent)
+        $Graphics.DrawIcon($Icon, 0, 0)
+        $Bitmap.Save($Stream, [System.Drawing.Imaging.ImageFormat]::Png)
+        $Hash = $Hasher.ComputeHash($Stream.ToArray())
+        return ([System.BitConverter]::ToString($Hash)).Replace("-", "")
+    }
+    finally {
+        $Hasher.Dispose()
+        $Stream.Dispose()
+        $Graphics.Dispose()
+        $Bitmap.Dispose()
+        $Icon.Dispose()
+    }
+}
+if (-not $Installer) {
+    $Installer = Get-ChildItem `
+        -LiteralPath (Join-Path $ProjectRoot "dist") `
+        -Filter "DoctorWorkstation-Setup-Windows-x64-*.exe" `
+        -File |
+        Sort-Object LastWriteTime -Descending |
+        Select-Object -First 1 -ExpandProperty FullName
+}
+if (-not $Installer -or -not (Test-Path -LiteralPath $Installer -PathType Leaf)) {
+    throw "Windows installer was not found: $Installer"
+}
+$Installer = (Resolve-Path -LiteralPath $Installer).Path
+$InstallerIconHash = Get-AssociatedIconHash -FilePath $Installer
+
+$TempBase = [System.IO.Path]::GetFullPath([System.IO.Path]::GetTempPath())
+$SmokeRoot = [System.IO.Path]::GetFullPath((Join-Path $TempBase (
+    "doctor-workstation-installer-smoke-" + [guid]::NewGuid().ToString("N")
+)))
+if (-not $SmokeRoot.StartsWith($TempBase, [System.StringComparison]::OrdinalIgnoreCase) -or
+    -not ([System.IO.Path]::GetFileName($SmokeRoot)).StartsWith(
+        "doctor-workstation-installer-smoke-"
+    )) {
+    throw "Refusing to use an unsafe installer smoke directory: $SmokeRoot"
+}
+
+$InstallDirectory = Join-Path $SmokeRoot "install"
+$SetupLog = Join-Path $SmokeRoot "setup.log"
+$UninstallLog = Join-Path $SmokeRoot "uninstall.log"
+New-Item -ItemType Directory -Path $SmokeRoot -Force | Out-Null
+
+$SetupProcess = Start-Process `
+    -FilePath $Installer `
+    -ArgumentList @(
+        "/VERYSILENT",
+        "/SUPPRESSMSGBOXES",
+        "/NORESTART",
+        "/CURRENTUSER",
+        "/DIR=$InstallDirectory",
+        "/MERGETASKS=!desktopicon",
+        "/LOG=$SetupLog"
+    ) `
+    -Wait `
+    -PassThru `
+    -WindowStyle Hidden
+if ($SetupProcess.ExitCode -ne 0) {
+    throw "Installer exited with code $($SetupProcess.ExitCode). See $SetupLog"
+}
+
+$InstalledExecutable = Join-Path $InstallDirectory "DoctorWorkstation.exe"
+if (-not (Test-Path -LiteralPath $InstalledExecutable -PathType Leaf)) {
+    throw "Installed executable is missing: $InstalledExecutable"
+}
+$Uninstaller = Join-Path $InstallDirectory "unins000.exe"
+if (-not (Test-Path -LiteralPath $Uninstaller -PathType Leaf)) {
+    throw "Uninstaller is missing: $Uninstaller"
+}
+$InstalledIconHash = Get-AssociatedIconHash -FilePath $InstalledExecutable
+$UninstallerIconHash = Get-AssociatedIconHash -FilePath $Uninstaller
+if ($InstalledIconHash -ne $InstallerIconHash) {
+    throw "Installed executable icon does not match the installer brand icon"
+}
+if ($UninstallerIconHash -ne $InstallerIconHash) {
+    throw "Uninstaller icon does not match the installer brand icon"
+}
+
+$Environment = @{
+    "DOCTOR_CONFIG_DIR" = (Join-Path $SmokeRoot "config")
+    "DOCTOR_LOG_DIR" = (Join-Path $SmokeRoot "logs")
+    "DOCTOR_API_BASE_URL" = "https://127.0.0.1:9"
+    "DOCTOR_DEMO_MODE" = "true"
+    "DOCTOR_VIDEO_MODE" = "embedded"
+    "DOCTOR_SMOKE_TEST" = "1"
+    "QT_QPA_PLATFORM" = "offscreen"
+}
+$PreviousEnvironment = @{}
+$ApplicationExitCode = $null
+$UninstallExitCode = $null
+try {
+    foreach ($Name in $Environment.Keys) {
+        $PreviousEnvironment[$Name] = [Environment]::GetEnvironmentVariable($Name, "Process")
+        [Environment]::SetEnvironmentVariable($Name, $Environment[$Name], "Process")
+    }
+    $ApplicationProcess = Start-Process `
+        -FilePath $InstalledExecutable `
+        -ArgumentList "--smoke-test" `
+        -Wait `
+        -PassThru `
+        -WindowStyle Hidden
+    $ApplicationExitCode = $ApplicationProcess.ExitCode
+}
+finally {
+    foreach ($Name in $Environment.Keys) {
+        [Environment]::SetEnvironmentVariable($Name, $PreviousEnvironment[$Name], "Process")
+    }
+    if (Test-Path -LiteralPath $Uninstaller -PathType Leaf) {
+        $UninstallProcess = Start-Process `
+            -FilePath $Uninstaller `
+            -ArgumentList @(
+                "/VERYSILENT",
+                "/SUPPRESSMSGBOXES",
+                "/NORESTART",
+                "/LOG=$UninstallLog"
+            ) `
+            -Wait `
+            -PassThru `
+            -WindowStyle Hidden
+        $UninstallExitCode = $UninstallProcess.ExitCode
+    }
+}
+if ($ApplicationExitCode -ne 0) {
+    throw "Installed application smoke test exited with code $ApplicationExitCode"
+}
+if ($UninstallExitCode -ne 0) {
+    throw "Uninstaller exited with code $UninstallExitCode. See $UninstallLog"
+}
+Start-Sleep -Milliseconds 500
+if (Test-Path -LiteralPath $InstalledExecutable) {
+    throw "Uninstaller left the installed executable behind: $InstalledExecutable"
+}
+
+Write-Host "Installer icon/install/start/uninstall smoke test passed." -ForegroundColor Green
+Write-Host "Smoke logs and isolated user data: $SmokeRoot"