feat: complete production workflow migration

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

@@ -0,0 +1,21 @@
+#Requires -RunAsAdministrator
+param(
+    [string]$ProjectRoot = "",
+    [string]$NssmPath = "nssm.exe"
+)
+
+$ErrorActionPreference = "Stop"
+if ([string]::IsNullOrWhiteSpace($ProjectRoot)) {
+    $ProjectRoot = if ($env:GYXX_PROJECT_ROOT) {
+        $env:GYXX_PROJECT_ROOT
+    } else {
+        (Resolve-Path (Join-Path $PSScriptRoot "..\..\..\..\..\..")).Path
+    }
+}
+$uninstaller = Join-Path $ProjectRoot "deploy\windows-service\uninstall.ps1"
+if (-not (Test-Path -LiteralPath $uninstaller -PathType Leaf)) {
+    throw "Server scheduler uninstaller is missing: $uninstaller"
+}
+
+& $uninstaller -NssmPath $NssmPath
+exit $LASTEXITCODE