Guard WMI inheritance with bounded descendant observations

.github/workflows/wmi-descendants.yml

@@ -0,0 +1,39 @@
+name: Native WMI descendant safeguards
+on:
+  push:
+    branches: ['**']
+    paths:
+      - 'scripts/WmiNamespaceAuditing.ps1'
+      - 'scripts/WmiNamespaceDescendants.ps1'
+      - 'tests/WmiNamespaceDescendants*'
+      - '.github/workflows/wmi-descendants.yml'
+  pull_request:
+  workflow_dispatch:
+permissions:
+  contents: read
+jobs:
+  wmi-descendants:
+    timeout-minutes: 25
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2022, windows-2025]
+        shell: [powershell, pwsh]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Existing WMI regression contracts
+        shell: ${{ matrix.shell }}
+        run: ./tests/WmiNamespaceAuditing.Tests.ps1
+      - name: Actual owned namespace tree and cleanup
+        shell: ${{ matrix.shell }}
+        run: ./tests/WmiNamespaceDescendants.Windows.Tests.ps1 -AllowDisposableNamespaceWrite -EvidencePath wmi-descendants-native.json
+      - name: Retain complete native observations
+        if: always()
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: wmi-descendants-${{ matrix.os }}-${{ matrix.shell }}
+          path: |
+            wmi-descendants-native.json
+            wmi-descendants-native.json.journals
+          if-no-files-found: error