feat: confirm before installing in quick mode (irm | iex)

scripts/install.ps1

@@ -1249,6 +1249,27 @@ function Run-QuickMode {
         }
     }
 
+    if (-not $Force -and -not $Upgrade) {
+        $action = if ($script:INSTALLED_VERSION) { "覆盖安装" } else { "安装" }
+        $srcLabel = switch ($script:SELECTED_SOURCE) {
+            "npm"             { "npm registry" }
+            "github-official" { "GitHub (tiann/hapi)" }
+            "github-fork"     { "GitHub (arkylin/Hapi-Docker)" }
+        }
+        Write-Host ""
+        Write-Host "即将${action} HAPI CLI:" -ForegroundColor White
+        Write-Host "  版本: v$($script:REMOTE_VERSION)" -ForegroundColor Cyan
+        Write-Host "  来源: $srcLabel" -ForegroundColor Cyan
+        Write-Host "  目录: $($script:INSTALL_DIR)" -ForegroundColor Cyan
+        Write-Host ""
+        $confirm = Read-Host "确认${action}? [Y/n]"
+        if ($confirm -match '^[Nn]') {
+            Write-Info "已取消"
+            exit 0
+        }
+        Write-Host ""
+    }
+
     if ($script:SELECTED_SOURCE -eq "npm") {
         Install-NodeJS -forSource "npm"
     }