diff --git a/.github/workflows/freebsd.yml b/.github/workflows/freebsd.yml
index bdfdc21c1..5fc2092a9 100644
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@@ -32,4 +32,5 @@ jobs:
     # Intentionally tracked at @main (not SHA-pinned) so org-wide CI improvements, security fixes, and build optimizations propagate without PR churn across all craftapp repos.
     uses: storytold/craft-common-actions/.github/workflows/freebsd.yml@main
     with:
+      require-craft-fonts: true
       craft-fonts-ref: 3d9ab3a132ed0eff457e424226a435a901da30d3
diff --git a/.github/workflows/packaging-lint.yml b/.github/workflows/packaging-lint.yml
index f54b0538b..71d3b3063 100644
--- a/.github/workflows/packaging-lint.yml
+++ b/.github/workflows/packaging-lint.yml
@@ -21,3 +21,19 @@ jobs:
   lint:
     # Intentionally tracked at @main (not SHA-pinned) so org-wide CI improvements, security fixes, and build optimizations propagate without PR churn across all craftapp repos.
     uses: storytold/craft-common-actions/.github/workflows/packaging-lint.yml@main
+    with:
+      extra-checks-script: packaging/check-app-specific.sh
+
+  windows-install-folder:
+    runs-on: windows-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install WiX
+        shell: pwsh
+        run: dotnet tool install --global wix --version 5.0.2
+      - name: Install-folder fallback and precedence (real MSI AppSearch)
+        shell: pwsh
+        run: |
+          ./packaging/windows/test-install-folder.ps1 -Arch x64
+          ./packaging/windows/test-install-folder.ps1 -Arch x86
diff --git a/packaging/check-app-specific.sh b/packaging/check-app-specific.sh
new file mode 100644
index 000000000..c14ca5725
--- /dev/null
+++ b/packaging/check-app-specific.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# App-specific installer and package assertions retained alongside shared packaging lint.
+set -euo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+for want in '<UIRef Id="LightcraftUI" />' 'Value="InstallDirDlg"' '<Property Id="WIXUI_INSTALLDIR" Value="INSTALLFOLDER" />' \
+    'Key="Software\LightCraft" Name="InstallFolder"' 'Value="LaunchLightcraft"'; do
+  grep -qF "$want" packaging/windows/lightcraft.wxs || { echo "::error::lightcraft.wxs lost: $want"; exit 1; }
+done
+grep -qF '<DialogRef Id="ExitDialog" />' packaging/windows/lightcraft.wxs \
+  || { echo "::error::ExitDialog is not referenced; installs and removes end without a completion dialog"; exit 1; }
+
+python3 - <<'PYEOF'
+import yaml
+manifests = []
+for name in ("ai.storyteller.lightcraft.yml", "ai.storyteller.lightcraft.bundle.yml"):
+    with open("packaging/linux/flatpak/" + name) as source:
+        manifest = yaml.safe_load(source)
+    assert manifest["id"] == "ai.storyteller.lightcraft" and manifest["command"] == "lightcraft", name
+    manifests.append(manifest)
+for key in ("runtime", "runtime-version", "sdk", "finish-args"):
+    assert manifests[0][key] == manifests[1][key], f"Flatpak manifests disagree on {key}"
+print("LightCraft package identity ok")
+PYEOF