Fix DAN-36 Microsoft Store icon assets

README.md

@@ -252,9 +252,10 @@ the exact tag and submits its unsigned `.msixupload` to Store product
 `9N0JG96LRC4W` through Microsoft's Store Developer CLI; Partner Center signs
 the accepted package, and production Store signing is complete. Store installs
 check Microsoft's native package-update API on launch, notify when an update is
-available, and hand installation back to the Store. The standalone GitHub MSI
-remains unsigned; the certificate-backed offline-WebView2 MSI workflow is only
-a fallback.
+available, and hand installation back to the Store. DPI-tailored unplated icon
+assets keep the Store taskbar and Start icon as sharp and background-free as
+the direct MSI. The standalone GitHub MSI remains unsigned; the
+certificate-backed offline-WebView2 MSI workflow is only a fallback.
 Listing copy, privacy and user-content policies, in-product inappropriate-
 content reporting, and release credentials are configured. The first automated
 submission was accepted by Partner Center on 2026-07-28; Store signing was

ROADMAP.md

@@ -2459,6 +2459,12 @@ and a keyboard-reachable **Open Microsoft Store** handoff while Microsoft Store
 retains ownership of download and installation. Direct installs keep using the
 signed GitHub Releases updater.
 
+**DAN-36 Microsoft Store icon parity shipped (2026-07-30):** The MSIX now
+includes exact-size dark- and light-shell unplated app-list resources generated
+from Strand's canonical icon. Windows can select a pixel-matched taskbar or
+Start asset at every supported display scale instead of shrinking the plated
+fallback onto an accent-color backplate.
+
 **DAN-38 newest-first PR timeline shipped (2026-07-30):** The provider-neutral
 pull-request chronology now places the latest commit, comment, or lifecycle
 event at the top while retaining deterministic tie ordering. Focused frontend

TASKS.md

@@ -2050,6 +2050,9 @@ quick-wins from that audit already landed (see ROADMAP changelog).
 - ☑ Notify Microsoft Store installs when an update is available
   (`microsoft_store_update_available`, launch toast, and Settings check /
   **Open Microsoft Store** handoff; DAN-35, 2026-07-30).
+- ☑ Match Microsoft Store icon rendering to the direct MSI (exact target-size
+  `unplated` and `lightunplated` `Square44x44Logo` assets plus MSIX policy
+  coverage; DAN-36, 2026-07-30).
 - ☑ Automate GitHub release submission to Microsoft Store (release-published
   trigger, production identity, official Store Developer CLI action, protected
   environment credential contract, and manual build-only recovery in

crates/strand-tauri/icons/README.md

@@ -11,3 +11,12 @@ root with:
 On macOS/Linux, run the equivalent local binary without the `.cmd` suffix.
 This populates the PNG, ICO, ICNS, Microsoft Store, Android, and iOS variants
 in this directory.
+
+Then regenerate the MSIX app-list variants on Windows:
+
+```
+.\scripts\generate-msix-icons.ps1
+```
+
+These exact-size dark- and light-shell resources prevent Windows from scaling
+the plated fallback behind the Store app icon.

docs/learnings.md

@@ -2125,3 +2125,12 @@ Store product page, but Microsoft Store remains responsible for downloading,
 signing, and installing the package. The API requires package identity, so
 browser and unpackaged development runs can verify the UI/state contract but
 not a real availability response.
+
+**MSIX shell icons need the complete target-size unplated matrix
+(2026-07-30).** A lone `Square44x44Logo.targetsize-44_altform-unplated.png`
+does not cover Windows display scales. The shell then shrinks the plated
+manifest logo, producing blur and an accent-color backplate. Generate exact
+16/20/24/30/32/36/40/44/48/60/64/72/80/96/256 px `unplated` and
+`lightunplated` variants directly from canonical `strand.png`, copy every
+variant into the MSIX, and keep the cross-platform policy check aligned with
+that matrix.

docs/microsoft-store-submission.md

@@ -7,6 +7,11 @@ release executable, manifest, and Store assets with Microsoft's MakeAppx tool.
 The older MSI/EXE workflow remains available as a fallback, but it requires an
 external CA-backed Windows code-signing certificate.
 
+The `Square44x44Logo` resource includes exact target-size `unplated` and
+`lightunplated` variants generated from the canonical `strand.png`. Keep the
+full size matrix when changing the icon; otherwise Windows can resample the
+plated fallback and add an accent-color backplate on the taskbar or Start.
+
 ## Production identity
 
 Strand is registered as Store product `9N0JG96LRC4W`. Its public manifest

docs/packaging.md

@@ -117,7 +117,10 @@ The preferred Microsoft Store route is the packaged-classic MSIX assembled by
 the production Partner Center identity, retains the unsigned `.msixupload` as
 a private workflow artifact, and submits it to Store product `9N0JG96LRC4W`
 through Microsoft's official Store Developer CLI action. The Store signs the
-accepted package during certification.
+accepted package during certification. The package carries exact target-size
+`unplated` and `lightunplated` app-list assets so taskbar and Start use the
+same sharp, transparent icon presentation as the direct MSI at every supported
+Windows display scale.
 
 The workflow requires four encrypted secrets on the
 `microsoft-store-production` GitHub environment:

scripts/build-msix.ps1

@@ -106,9 +106,19 @@ foreach ($asset in @('StoreLogo.png', 'Square150x150Logo.png', 'Square44x44Logo.
         -LiteralPath (Join-Path $repoRoot "crates\strand-tauri\icons\$asset") `
         -Destination (Join-Path $layoutPath "Assets\$asset")
 }
-Copy-Item `
-    -LiteralPath (Join-Path $repoRoot 'crates\strand-tauri\icons\Square44x44Logo.png') `
-    -Destination (Join-Path $layoutPath 'Assets\Square44x44Logo.targetsize-44_altform-unplated.png')
+$targetSizes = @(
+    16, 20, 24, 30, 32, 36, 40, 44,
+    48, 60, 64, 72, 80, 96, 256
+)
+foreach ($targetSize in $targetSizes) {
+    foreach ($alternateForm in @('unplated', 'lightunplated')) {
+        $asset =
+            "Square44x44Logo.targetsize-$($targetSize)_altform-$alternateForm.png"
+        Copy-Item `
+            -LiteralPath (Join-Path $repoRoot "crates\strand-tauri\icons\$asset") `
+            -Destination (Join-Path $layoutPath "Assets\$asset")
+    }
+}
 
 $templatePath = Join-Path $repoRoot 'packaging\msix\AppxManifest.xml.in'
 $manifest = Get-Content -Raw -LiteralPath $templatePath

scripts/check-msix.mjs

@@ -3,6 +3,7 @@ import { readFileSync } from 'node:fs';
 const packageJson = JSON.parse(readFileSync('package.json', 'utf8'));
 const manifest = readFileSync('packaging/msix/AppxManifest.xml.in', 'utf8');
 const buildScript = readFileSync('scripts/build-msix.ps1', 'utf8');
+const iconScript = readFileSync('scripts/generate-msix-icons.ps1', 'utf8');
 const workflow = readFileSync(
   '.github/workflows/microsoft-store-msix.yml',
   'utf8',
@@ -66,6 +67,42 @@ for (const fragment of [
   }
 }
 
+const targetSizes = [
+  16, 20, 24, 30, 32, 36, 40, 44,
+  48, 60, 64, 72, 80, 96, 256,
+];
+for (const targetSize of targetSizes) {
+  for (const alternateForm of ['unplated', 'lightunplated']) {
+    const path = 'crates/strand-tauri/icons/'
+      + `Square44x44Logo.targetsize-${targetSize}_altform-${alternateForm}.png`;
+    const size = pngSize(path);
+    if (size.width !== targetSize || size.height !== targetSize) {
+      fail(`${path} must be ${targetSize}x${targetSize}, `
+        + `got ${size.width}x${size.height}`);
+    }
+  }
+}
+
+for (const fragment of [
+  'HighQualityBicubic',
+  "('unplated', 'lightunplated')",
+  '16, 20, 24, 30, 32, 36, 40, 44, 48, 60, 64, 72, 80, 96, 256',
+  'Square44x44Logo.targetsize-$($targetSize)_altform-$alternateForm.png',
+]) {
+  const normalizedFragment = fragment.replace(/\s+/g, ' ');
+  const normalizedIconScript = iconScript.replace(/\s+/g, ' ');
+  const normalizedBuildScript = buildScript.replace(/\s+/g, ' ');
+  if (!normalizedIconScript.includes(normalizedFragment)) {
+    fail(`MSIX icon generator must retain ${JSON.stringify(fragment)}`);
+  }
+  if (
+    fragment !== 'HighQualityBicubic'
+    && !normalizedBuildScript.includes(normalizedFragment)
+  ) {
+    fail(`MSIX build must retain ${JSON.stringify(fragment)}`);
+  }
+}
+
 if (!updatesStore.includes('UPDATES_MANAGED_BY_STORE')) {
   fail('update store must recognize Store-managed MSIX updates');
 }
@@ -119,6 +156,7 @@ if (!/^\d+\.\d+\.\d+$/.test(packageJson.version)) {
 console.log(
   `MSIX packaging policy is valid for Strand ${packageJson.version}: `
   + 'x64 packaged-classic full trust, Windows 11 minimum, parameterized '
-  + 'Partner Center identity, validated assets, Store-managed updates, and '
+  + 'Partner Center identity, DPI-tailored unplated assets, Store-managed '
+  + 'updates, and '
   + 'GitHub-to-Partner-Center release submission.',
 );

scripts/generate-msix-icons.ps1

@@ -0,0 +1,77 @@
+param(
+    [string]$OutputDirectory
+)
+
+$ErrorActionPreference = 'Stop'
+
+Add-Type -AssemblyName System.Drawing
+
+$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
+$sourcePath = Join-Path $repoRoot 'strand.png'
+if (-not $OutputDirectory) {
+    $OutputDirectory = Join-Path $repoRoot 'crates\strand-tauri\icons'
+}
+$OutputDirectory = [IO.Path]::GetFullPath($OutputDirectory)
+New-Item -ItemType Directory -Force -Path $OutputDirectory | Out-Null
+
+$targetSizes = @(
+    16, 20, 24, 30, 32, 36, 40, 44,
+    48, 60, 64, 72, 80, 96, 256
+)
+$alternateForms = @('unplated', 'lightunplated')
+$source = [Drawing.Image]::FromFile($sourcePath)
+
+try {
+    foreach ($targetSize in $targetSizes) {
+        foreach ($alternateForm in $alternateForms) {
+            $bitmap = [Drawing.Bitmap]::new(
+                $targetSize,
+                $targetSize,
+                [Drawing.Imaging.PixelFormat]::Format32bppArgb
+            )
+            try {
+                $graphics = [Drawing.Graphics]::FromImage($bitmap)
+                try {
+                    $graphics.Clear([Drawing.Color]::Transparent)
+                    $graphics.CompositingMode =
+                        [Drawing.Drawing2D.CompositingMode]::SourceCopy
+                    $graphics.CompositingQuality =
+                        [Drawing.Drawing2D.CompositingQuality]::HighQuality
+                    $graphics.InterpolationMode =
+                        [Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic
+                    $graphics.PixelOffsetMode =
+                        [Drawing.Drawing2D.PixelOffsetMode]::HighQuality
+                    $graphics.SmoothingMode =
+                        [Drawing.Drawing2D.SmoothingMode]::HighQuality
+                    $graphics.DrawImage(
+                        $source,
+                        [Drawing.Rectangle]::new(0, 0, $targetSize, $targetSize),
+                        0,
+                        0,
+                        $source.Width,
+                        $source.Height,
+                        [Drawing.GraphicsUnit]::Pixel
+                    )
+                } finally {
+                    $graphics.Dispose()
+                }
+
+                $filename =
+                    "Square44x44Logo.targetsize-$($targetSize)_altform-$alternateForm.png"
+                $bitmap.Save(
+                    (Join-Path $OutputDirectory $filename),
+                    [Drawing.Imaging.ImageFormat]::Png
+                )
+            } finally {
+                $bitmap.Dispose()
+            }
+        }
+    }
+} finally {
+    $source.Dispose()
+}
+
+Write-Host (
+    "Generated $($targetSizes.Count * $alternateForms.Count) " +
+    "MSIX app-list icons in $OutputDirectory"
+)