fix: clarify install switching

scripts/install.ps1

@@ -3,6 +3,7 @@
 # Or: & ([scriptblock]::Create((iwr -useb https://openclaw.ai/install.ps1))) -NoOnboard
 
 param(
+    [ValidateSet("npm", "git")]
     [string]$InstallMethod = "npm",
     [string]$Tag = "latest",
     [string]$GitDir = "$env:USERPROFILE\openclaw",
@@ -336,11 +337,13 @@ function Install-OpenClawGit {
     if (!(Test-Path $wrapperDir)) {
         New-Item -ItemType Directory -Path $wrapperDir -Force | Out-Null
     }
-    
+
+    $entryPath = Join-Path $RepoDir "dist\entry.js"
     @"
 @echo off
-node "%~dp0..\openclaw\dist\entry.js" %*
+node "$entryPath" %*
 "@ | Out-File -FilePath "$wrapperDir\openclaw.cmd" -Encoding ASCII -Force
+    Add-ToPath -Path $wrapperDir
     
     Write-Host "OpenClaw installed" -Level success
     return $true
@@ -432,7 +435,12 @@ function Main {
         if ($DryRun) {
             Write-Host "[DRY RUN] Would install OpenClaw from git to $GitDir" -Level info
         } else {
-            Install-OpenClawGit -RepoDir $GitDir -Update:(-not $NoGitUpdate)
+            try {
+                npm uninstall -g openclaw 2>$null | Out-Null
+            } catch { }
+            if (!(Install-OpenClawGit -RepoDir $GitDir -Update:(-not $NoGitUpdate))) {
+                return (Fail-Install)
+            }
         }
     } else {
         # npm method
@@ -443,6 +451,11 @@ function Main {
         if ($DryRun) {
             Write-Host "[DRY RUN] Would install OpenClaw via npm ($((Resolve-PackageInstallSpec -Target $Tag)))" -Level info
         } else {
+            $gitWrapper = "$env:USERPROFILE\.local\bin\openclaw.cmd"
+            if (Test-Path $gitWrapper) {
+                Remove-Item -Force $gitWrapper
+                Write-Host "Removed git wrapper (switching to npm)" -Level info
+            }
             if (!(Install-OpenClawNpm -Target $Tag)) {
                 return (Fail-Install)
             }