feat: merge install/uninstall into one interactive entrypoint

install-windows-en.ps1

@@ -20,6 +20,48 @@ try {
 
 Write-Header
 
+Write-Host "Choose an action:" -ForegroundColor White
+Write-Host "  1) Install / Update OpenClaw" -ForegroundColor Gray
+Write-Host "  2) Uninstall OpenClaw" -ForegroundColor Gray
+$action = Read-Host "Enter [1/2] (default: 1)"
+if ([string]::IsNullOrWhiteSpace($action)) { $action = "1" }
+
+if ($action -eq "2") {
+    Write-Info "You chose: uninstall OpenClaw"
+
+    $uninstalled = $false
+
+    if (Get-Command openclaw -ErrorAction SilentlyContinue) {
+        try {
+            openclaw uninstall --all --yes --non-interactive
+            $uninstalled = $true
+        } catch {
+            Write-Warn "openclaw uninstall failed, trying npx..."
+        }
+    }
+
+    if (-not $uninstalled -and (Get-Command npx -ErrorAction SilentlyContinue)) {
+        try {
+            npx -y openclaw uninstall --all --yes --non-interactive
+            $uninstalled = $true
+        } catch {
+            Write-Warn "npx uninstall failed."
+        }
+    }
+
+    if (Get-Command npm -ErrorAction SilentlyContinue) {
+        try { npm uninstall -g openclaw 2>$null | Out-Null } catch {}
+    }
+
+    if ($uninstalled) {
+        Write-Ok "OpenClaw uninstalled."
+    } else {
+        Write-Err "Failed to uninstall OpenClaw. Please ensure Node.js/npm is available and retry."
+    }
+
+    return
+}
+
 # ─────────────────────────────────────────────
 # Step 1: Check / Install Node.js 22+
 # ─────────────────────────────────────────────