feat: 工具配置增强、站点拨测与日志中心多项改进

- 工具配置：新增卸载 API/UI、Go 工具链、流水线构建自动安装依赖
- 修复 ListTools VerifyTool 递归栈溢出导致获取工具配置失败
- Node.js Alpine 安装改用 unofficial-builds musl 预编译包与 index.json 解析 LTS
- 站点拨测：详情页路由、告警自动恢复、并发拨测与默认可观测频率
- 日志中心：RBAC、查询构建器、ES/Loki 增强与审计 request/response 展示
- 发布配置：构建节点、流水线远程执行、Deploy RBAC 导航拆分

backend/pkg/toolinstaller/mirrors.go

@@ -46,6 +46,12 @@ var toolMirrors = map[string][]ToolMirror{
 		{Name: "Helm官方", URL: "https://get.helm.sh/helm-{version}-linux-amd64.tar.gz", Location: "global"},
 		{Name: "阿里云镜像", URL: "https://mirrors.aliyun.com/kubernetes/helm/{version}/helm-{version}-linux-amd64.tar.gz", Location: "domestic"},
 	},
+	"golang": {
+		{Name: "Go官方", URL: "https://go.dev/dl/go{version}.linux-amd64.tar.gz", Location: "global"},
+		{Name: "Google CN", URL: "https://golang.google.cn/dl/go{version}.linux-amd64.tar.gz", Location: "domestic"},
+		{Name: "阿里云镜像", URL: "https://mirrors.aliyun.com/golang/go{version}.linux-amd64.tar.gz", Location: "domestic"},
+		{Name: "中科大镜像", URL: "https://mirrors.ustc.edu.cn/golang/go{version}.linux-amd64.tar.gz", Location: "domestic"},
+	},
 }
 
 // GetMirrorsForTool 返回工具的镜像源列表（按网络环境排序）。