feat(simulation): add Worker AI polygon runtime and terrain navigation

simulation/ai-polygon/Prepare-Scene.ps1

@@ -0,0 +1,16 @@
+param([Parameter(Mandatory=$true)][string]$InputManifest,
+      [Parameter(Mandatory=$true)][string]$OutputPly,
+      [int]$Lod = -1)
+$ErrorActionPreference = 'Stop'
+$ProgressPreference = 'SilentlyContinue'
+$tool = 'D:\NDC_MISSIONCORE\runtime\simulation\tools\splat-transform-3.4.0\node_modules\@playcanvas\splat-transform\bin\cli.mjs'
+if (!(Test-Path $InputManifest)) { throw 'Source archive missing' }
+if (Test-Path $OutputPly) { throw 'Do not overwrite a prepared scene' }
+$tmp = $OutputPly -replace '\.ply$', '.part.ply'
+if ($tmp -eq $OutputPly -or (Test-Path $tmp)) { throw 'Invalid or unfinished output' }
+$options = @('--memory', '--no-tty')
+if ($Lod -ge 0) { $options += @('--select-lod', [string]$Lod) }
+& node.exe $tool @options $InputManifest $tmp
+if ($LASTEXITCODE -ne 0) { throw 'Scene conversion failed' }
+Move-Item $tmp $OutputPly
+@{file=$OutputPly;bytes=(Get-Item $OutputPly).Length;sha256=(Get-FileHash $OutputPly -Algorithm SHA256).Hash.ToLower()} | ConvertTo-Json