Strengthen import validation (manifest + help) and harden Gitea workflow

.gitea/workflows/publish-psgallery.yml

@@ -20,10 +20,48 @@ jobs:
         with:
           dotnet-version: '8.0.x'
 
-      - name: Build and test module
+      - name: Install PowerShell 7 (if not present)
+        shell: bash
+        run: |
+          set -euo pipefail
+          if command -v pwsh >/dev/null 2>&1; then
+              echo "pwsh already installed: $(pwsh --version)"
+              exit 0
+          fi
+
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends wget ca-certificates apt-transport-https gnupg
+
+          source /etc/os-release
+          wget -q "https://packages.microsoft.com/config/ubuntu/${VERSION_ID}/packages-microsoft-prod.deb" -O /tmp/ms-prod.deb
+          sudo dpkg -i /tmp/ms-prod.deb
+          rm -f /tmp/ms-prod.deb
+
+          sudo apt-get update
+          sudo apt-get install -y powershell
+          pwsh --version
+
+      - name: Bootstrap PowerShellGet / NuGet provider
         shell: pwsh
         run: |
-          ./build.ps1 -RunTests
+          $ErrorActionPreference = 'Stop'
+          Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
+          if (-not (Get-PackageProvider -Name NuGet -ListAvailable -ErrorAction SilentlyContinue)) {
+              Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force -Scope CurrentUser | Out-Null
+          }
+          Get-PackageProvider -Name NuGet | Format-Table Name,Version
+
+      - name: Build and test module
+        shell: pwsh
+        run: ./build.ps1 -RunTests
+
+      - name: Validate module manifest
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = 'Stop'
+          $manifestPath = Join-Path $PWD 'Module/PSInfisicalAPI/PSInfisicalAPI.psd1'
+          $manifest = Test-ModuleManifest -Path $manifestPath
+          Write-Host "Manifest OK: $($manifest.Name) $($manifest.Version)"
 
       - name: Verify PowerShell Gallery API key is configured
         shell: pwsh
@@ -39,6 +77,7 @@ jobs:
         env:
           PSGALLERY_API_KEY: ${{ secrets.PSGALLERY_API_KEY }}
         run: |
+          $ErrorActionPreference = 'Stop'
           $moduleDir = Join-Path $PWD 'Module/PSInfisicalAPI'
           Write-Host "Publishing module from: $moduleDir"
           Publish-Module `