refactor(config): Update VMX path from CI-WinBuild to WinBuild2025

Replace all references to CI-WinBuild.vmx with WinBuild2025.vmx.
Update template path: F:\CI\Templates\WinBuild\ → F:\CI\Templates\WinBuild2025\

Files affected:
- runner/config.yaml: GITEA_CI_TEMPLATE_PATH env var
- docs: HOST-SETUP.md, WINDOWS-TEMPLATE-SETUP.md, TEST-PLAN, RUNBOOK
- scripts: Measure-CIBenchmark, Set-TemplateSharedFolders, Test-NsinnounpBuild
- TODO.md, Setup-Host.ps1, README.md

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/Measure-CIBenchmark.ps1

@@ -20,7 +20,7 @@
 
 .PARAMETER TemplatePath
     Full path to the template VM's .vmx file.
-    Default: F:\CI\Templates\WinBuild\CI-WinBuild.vmx
+    Default: F:\CI\Templates\WinBuild2025\WinBuild2025.vmx
 
 .PARAMETER SnapshotName
     Snapshot name to clone from. Default: BaseClean
@@ -54,7 +54,7 @@
 #>
 [CmdletBinding()]
 param(
-    [string] $TemplatePath   = 'F:\CI\Templates\WinBuild\CI-WinBuild.vmx',
+    [string] $TemplatePath   = 'F:\CI\Templates\WinBuild2025\WinBuild2025.vmx',
     [string] $SnapshotName   = 'BaseClean',
     [string] $CloneBaseDir   = 'F:\CI\BuildVMs',
     [string] $VmrunPath      = 'C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe',
@@ -243,3 +243,4 @@ if ($Iterations -gt 1) {
 
 Write-Host ""
 Write-Host "Results appended to: $benchmarkLog"
+