feat: merge install/uninstall into one interactive entrypoint

install-windows.ps1

@@ -20,6 +20,48 @@ try {
 
 Write-Header
 
+Write-Host "请选择操作：" -ForegroundColor White
+Write-Host "  1) 安装 / 更新 OpenClaw" -ForegroundColor Gray
+Write-Host "  2) 卸载 OpenClaw" -ForegroundColor Gray
+$action = Read-Host "请输入选项 [1/2]（默认 1）"
+if ([string]::IsNullOrWhiteSpace($action)) { $action = "1" }
+
+if ($action -eq "2") {
+    Write-Info "你选择了：卸载 OpenClaw"
+
+    $uninstalled = $false
+
+    if (Get-Command openclaw -ErrorAction SilentlyContinue) {
+        try {
+            openclaw uninstall --all --yes --non-interactive
+            $uninstalled = $true
+        } catch {
+            Write-Warn "openclaw 卸载失败，尝试 npx 方式..."
+        }
+    }
+
+    if (-not $uninstalled -and (Get-Command npx -ErrorAction SilentlyContinue)) {
+        try {
+            npx -y openclaw uninstall --all --yes --non-interactive
+            $uninstalled = $true
+        } catch {
+            Write-Warn "npx 卸载失败。"
+        }
+    }
+
+    if (Get-Command npm -ErrorAction SilentlyContinue) {
+        try { npm uninstall -g openclaw 2>$null | Out-Null } catch {}
+    }
+
+    if ($uninstalled) {
+        Write-Ok "OpenClaw 已卸载。"
+    } else {
+        Write-Err "未能完成 OpenClaw 卸载。请确认 Node.js/npm 可用后重试。"
+    }
+
+    return
+}
+
 # ─────────────────────────────────────────────
 # 步骤 1: 检查 / 安装 Node.js 22+
 # ─────────────────────────────────────────────