diff --git a/.gitignore b/.gitignore
index 1128a3b..8b64a23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -98,3 +98,7 @@ htmlcov/
 web_companion/dist/
 web_companion/node_modules/
 
+
+# Staged MSIX build output (GITHUB-POLICY.md SS3, T-20260926-510472849) -- narrow
+# on purpose: _WARTUNG/generate_store_screenshots.py must stay tracked (maintenance script).
+_WARTUNG/msix_staging/
diff --git a/_WARTUNG/msix_staging/AppxManifest.xml b/_WARTUNG/msix_staging/AppxManifest.xml
deleted file mode 100644
index 5f25d78..0000000
--- a/_WARTUNG/msix_staging/AppxManifest.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
-         xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
-         xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
-         xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10"
-         IgnorableNamespaces="uap rescap desktop">
-
-  <Identity Name="Geiger.SQLiteViewer"
-            Publisher="CN=52596601-BAB4-4F3F-B182-E8F3F273B202"
-            Version="1.0.0.0"
-            ProcessorArchitecture="x64" />
-
-  <Properties>
-    <DisplayName>SQLiteViewer</DisplayName>
-    <PublisherDisplayName>Geiger</PublisherDisplayName>
-    <Logo>icons\Square150x150Logo.png</Logo>
-    <Description>Leichtgewichtiger SQLite-Datenbank-Browser mit GUI. Tabellen anzeigen, SQL-Abfragen, Export.</Description>
-  </Properties>
-
-  <Dependencies>
-    <TargetDeviceFamily Name="Windows.Desktop"
-                        MinVersion="10.0.17763.0"
-                        MaxVersionTested="10.0.26100.0" />
-  </Dependencies>
-
-  <Resources>
-    <Resource Language="en-us" />
-    <Resource Language="de-de" />
-  </Resources>
-
-  <Applications>
-    <Application Id="SQLiteViewer"
-                 Executable="SQLiteViewer.exe"
-                 EntryPoint="Windows.FullTrustApplication">
-
-      <uap:VisualElements DisplayName="SQLiteViewer"
-                          Description="Leichtgewichtiger SQLite-Datenbank-Browser mit GUI. Tabellen anzeigen, SQL-Abfragen, Export."
-                          BackgroundColor="transparent"
-                          Square150x150Logo="icons\Square150x150Logo.png"
-                          Square44x44Logo="icons\Square44x44Logo.png">
-        <uap:DefaultTile Wide310x150Logo="icons\Wide310x150Logo.png"
-                         Square310x310Logo="icons\Square310x310Logo.png" />
-      </uap:VisualElements>
-
-    </Application>
-  </Applications>
-
-  <Capabilities>
-    <Capability Name="internetClient" />
-    <rescap:Capability Name="runFullTrust" />
-  </Capabilities>
-
-</Package>
diff --git a/_WARTUNG/msix_staging/icons/Square150x150Logo.png b/_WARTUNG/msix_staging/icons/Square150x150Logo.png
deleted file mode 100644
index f7e8031..0000000
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diff --git a/_WARTUNG/msix_staging/icons/Square310x310Logo.png b/_WARTUNG/msix_staging/icons/Square310x310Logo.png
deleted file mode 100644
index 7747be0..0000000
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diff --git a/_WARTUNG/msix_staging/icons/Square44x44Logo.png b/_WARTUNG/msix_staging/icons/Square44x44Logo.png
deleted file mode 100644
index 5eee331..0000000
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diff --git a/_WARTUNG/msix_staging/icons/Wide310x150Logo.png b/_WARTUNG/msix_staging/icons/Wide310x150Logo.png
deleted file mode 100644
index 1b80dcb..0000000
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