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/siteprobe/alert_resolve.go

@@ -0,0 +1,24 @@
+package siteprobe
+
+import (
+	"time"
+
+	"ezops/model"
+
+	"gorm.io/gorm"
+)
+
+// ResolveRecoveredProbeAlerts 拨测恢复后立即关闭探测类活跃告警 // Logan.Li
+func ResolveRecoveredProbeAlerts(db *gorm.DB, taskID uint, lastResult string) {
+	if lastResult != "success" {
+		return
+	}
+	now := time.Now()
+	db.Model(&model.SiteAlert{}).
+		Where("task_id = ? AND status = ? AND trigger_type IN ?",
+			taskID, model.SiteAlertStatusActive,
+			[]string{"probe_fail", "probe_timeout", "http_status_error"}).
+		Updates(map[string]interface{}{
+			"status": model.SiteAlertStatusResolved, "resolved_at": now,
+		})
+}