Activate native SMB audit runtime switches explicitly (#441)

* Add explicit native SMB runtime audit activation

* Select explicit PowerShell workflow shells and link PR changelog

* Clear expected refusal child exit codes after assertions

* Retain native SMB command provenance in capability diagnostics

* Bind SMB command guards to observed native CDXML module identities

.github/workflows/smb-runtime-activation.yml

@@ -0,0 +1,58 @@
+name: SMB runtime audit activation
+on:
+  push:
+    branches: ['**']
+    paths:
+      - 'WELA.ps1'
+      - 'scripts/SmbRuntimeActivation.ps1'
+      - 'scripts/SmbAuditing.ps1'
+      - 'scripts/Configuration.ps1'
+      - 'scripts/WefArrival.ps1'
+      - 'tests/SmbRuntimeActivation*'
+      - '.github/workflows/smb-runtime-activation.yml'
+  pull_request:
+  workflow_dispatch:
+permissions:
+  contents: read
+jobs:
+  native-smb-activation:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2022, windows-2025]
+        shell: [powershell, pwsh]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Focused regressions in Windows PowerShell 5.1
+        if: matrix.shell == 'powershell'
+        shell: powershell
+        run: |
+          ./tests/SmbRuntimeActivation.Tests.ps1
+          ./tests/SmbRuntimeActivation.Cli.Tests.ps1
+      - name: Native activation and restoration in Windows PowerShell 5.1
+        if: matrix.shell == 'powershell'
+        shell: powershell
+        env:
+          WELA_DISPOSABLE_SMB_ACTIVATION: 'true'
+        run: ./tests/SmbRuntimeActivation.Windows.Tests.ps1
+      - name: Focused regressions in PowerShell 7
+        if: matrix.shell == 'pwsh'
+        shell: pwsh
+        run: |
+          ./tests/SmbRuntimeActivation.Tests.ps1
+          ./tests/SmbRuntimeActivation.Cli.Tests.ps1
+      - name: Native activation and restoration in PowerShell 7
+        if: matrix.shell == 'pwsh'
+        shell: pwsh
+        env:
+          WELA_DISPOSABLE_SMB_ACTIVATION: 'true'
+        run: ./tests/SmbRuntimeActivation.Windows.Tests.ps1
+      - name: Retain native evidence
+        if: always()
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: smb-runtime-${{ matrix.os }}-${{ matrix.shell }}
+          path: ${{ runner.temp }}/wela-smb-runtime-*/
+          if-no-files-found: warn