feat: add and align uninstall flow for newbie setup

uninstall-windows.ps1

@@ -1,5 +1,6 @@
 # ─────────────────────────────────────────────
-# OpenClaw 卸载脚本 (Windows / WSL)
+# OpenClaw 卸载脚本 (Windows)
+# 与当前“原生 Windows 安装”流程对齐
 # ─────────────────────────────────────────────
 
 $ErrorActionPreference = "Stop"
@@ -7,6 +8,7 @@ $ErrorActionPreference = "Stop"
 function Write-Info($msg)    { Write-Host "[信息] $msg" -ForegroundColor Cyan }
 function Write-Ok($msg)      { Write-Host "[完成] $msg" -ForegroundColor Green }
 function Write-Warn($msg)    { Write-Host "[警告] $msg" -ForegroundColor Yellow }
+function Write-Err($msg)     { Write-Host "[错误] $msg" -ForegroundColor Red; throw $msg }
 
 Write-Host ""
 Write-Host "========================================" -ForegroundColor White
@@ -14,20 +16,51 @@ Write-Host "  OpenClaw 卸载器 (Windows)" -ForegroundColor White
 Write-Host "========================================" -ForegroundColor White
 Write-Host ""
 
-$uninstallScript = @'
-set -e
-export PATH="$HOME/.openclaw/bin:$PATH"
-if command -v openclaw &>/dev/null; then
-  echo "[信息] 已找到 openclaw，正在运行卸载..."
-  openclaw uninstall --all --yes --non-interactive
-else
-  echo "[警告] 在 PATH 中未找到 openclaw，使用 npx..."
-  npx -y openclaw uninstall --all --yes --non-interactive
-fi
-'@
+$uninstalled = $false
 
-Write-Info "正在卸载 WSL 中的 OpenClaw..."
-wsl -d Ubuntu-24.04 -- bash -c $uninstallScript
+# 1) 优先使用已安装的 openclaw 命令
+if (Get-Command openclaw -ErrorAction SilentlyContinue) {
+    try {
+        Write-Info "已找到 openclaw，正在卸载（--all）..."
+        openclaw uninstall --all --yes --non-interactive
+        $uninstalled = $true
+        Write-Ok "OpenClaw 卸载命令执行完成。"
+    } catch {
+        Write-Warn "openclaw 卸载失败，尝试 npx 方式..."
+    }
+}
 
+# 2) 回退：npx 直接调用
+if (-not $uninstalled) {
+    if (Get-Command npx -ErrorAction SilentlyContinue) {
+        try {
+            Write-Info "使用 npx 执行卸载..."
+            npx -y openclaw uninstall --all --yes --non-interactive
+            $uninstalled = $true
+            Write-Ok "OpenClaw 卸载命令执行完成（npx）。"
+        } catch {
+            Write-Warn "npx 卸载失败。"
+        }
+    } else {
+        Write-Warn "未找到 npx，跳过 npx 卸载。"
+    }
+}
+
+# 3) 清理全局 npm 包（幂等，失败不终止）
+if (Get-Command npm -ErrorAction SilentlyContinue) {
+    try {
+        Write-Info "尝试移除全局 npm 包 openclaw（如存在）..."
+        npm uninstall -g openclaw 2>$null | Out-Null
+        Write-Ok "全局 npm 包清理完成。"
+    } catch {
+        Write-Warn "全局 npm 包清理跳过：$_"
+    }
+}
+
+if (-not $uninstalled) {
+    Write-Err "未能完成 OpenClaw 卸载。请确认 Node.js/npm 可用后重试。"
+}
+
+Write-Host ""
 Write-Ok "OpenClaw 已卸载。"
 Write-Host ""