Fix windows path (#361)

resources/cli/win32/update-user-path.ps1

@@ -0,0 +1,88 @@
+param(
+  [Parameter(Mandatory = $true)]
+  [ValidateSet('add', 'remove')]
+  [string]$Action,
+
+  [Parameter(Mandatory = $true)]
+  [string]$CliDir
+)
+
+$ErrorActionPreference = 'Stop'
+
+function Normalize-PathEntry {
+  param([string]$Value)
+
+  if ([string]::IsNullOrWhiteSpace($Value)) {
+    return ''
+  }
+
+  return $Value.Trim().Trim('"').TrimEnd('\').ToLowerInvariant()
+}
+
+$current = [Environment]::GetEnvironmentVariable('Path', 'User')
+$entries = @()
+if (-not [string]::IsNullOrWhiteSpace($current)) {
+  $entries = $current -split ';' | Where-Object { -not [string]::IsNullOrWhiteSpace($_) }
+}
+
+$target = Normalize-PathEntry $CliDir
+$seen = [System.Collections.Generic.HashSet[string]]::new()
+$nextEntries = New-Object System.Collections.Generic.List[string]
+
+foreach ($entry in $entries) {
+  $normalized = Normalize-PathEntry $entry
+  if ([string]::IsNullOrWhiteSpace($normalized)) {
+    continue
+  }
+
+  if ($normalized -eq $target) {
+    continue
+  }
+
+  if ($seen.Add($normalized)) {
+    $nextEntries.Add($entry.Trim().Trim('"'))
+  }
+}
+
+$status = 'already-present'
+if ($Action -eq 'add') {
+  if ($seen.Add($target)) {
+    $nextEntries.Add($CliDir)
+    $status = 'updated'
+  }
+} elseif ($entries.Count -ne $nextEntries.Count) {
+  $status = 'updated'
+}
+
+$newPath = if ($nextEntries.Count -eq 0) { $null } else { $nextEntries -join ';' }
+[Environment]::SetEnvironmentVariable('Path', $newPath, 'User')
+
+Add-Type -Namespace OpenClaw -Name NativeMethods -MemberDefinition @"
+using System;
+using System.Runtime.InteropServices;
+public static class NativeMethods {
+  [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
+  public static extern IntPtr SendMessageTimeout(
+    IntPtr hWnd,
+    int Msg,
+    IntPtr wParam,
+    string lParam,
+    int fuFlags,
+    int uTimeout,
+    out IntPtr lpdwResult
+  );
+}
+"@
+
+$result = [IntPtr]::Zero
+[OpenClaw.NativeMethods]::SendMessageTimeout(
+  [IntPtr]0xffff,
+  0x001A,
+  [IntPtr]::Zero,
+  'Environment',
+  0x0002,
+  5000,
+  [ref]$result
+) | Out-Null
+
+Write-Output $status