Nexamas UI Phase 5 Windows Test Patch v2

This patch includes Batch 4, Batch 5, and a Windows PowerShell 5.1 compatible
Run-NexamasUIDocumentationSnippetProof.ps1.

Fix in v2:
- Replaced Generic.List[object] result collection with a plain PowerShell array.
- This avoids the Windows PowerShell 5.1 error: "Argument types do not match"
  while constructing the final JSON report.

Apply:
1. Extract the ZIP directly into the Nexamas.UI project root.
2. Allow files to be overwritten.
3. Run:
   powershell.exe -NoProfile -ExecutionPolicy Bypass -File ".\eng\tests\Run-NexamasUIDocumentationSnippetProof.ps1"