feat: complete production workflow migration

docs/history/shop-windows-task-scheduler/setup_scheduler.ps1

@@ -0,0 +1,22 @@
+#Requires -RunAsAdministrator
+param(
+    [string]$ProjectRoot = "",
+    [string]$DataRoot = "",
+    [string]$NssmPath = "nssm.exe"
+)
+
+$ErrorActionPreference = "Stop"
+if ([string]::IsNullOrWhiteSpace($ProjectRoot)) {
+    $ProjectRoot = if ($env:GYXX_PROJECT_ROOT) {
+        $env:GYXX_PROJECT_ROOT
+    } else {
+        (Resolve-Path (Join-Path $PSScriptRoot "..\..\..\..\..\..")).Path
+    }
+}
+$installer = Join-Path $ProjectRoot "deploy\windows-service\install.ps1"
+if (-not (Test-Path -LiteralPath $installer -PathType Leaf)) {
+    throw "Server scheduler installer is missing: $installer"
+}
+
+& $installer -ProjectRoot $ProjectRoot -DataRoot $DataRoot -NssmPath $NssmPath
+exit $LASTEXITCODE