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/controller/site_view.go

@@ -70,6 +70,12 @@ func enrichSiteTaskViewsAlert(db *gorm.DB, views []SiteTaskView) {
 	if len(views) == 0 {
 		return
 	}
+	// 列表加载时清理已恢复任务的陈旧 active 告警（与 down_count 对齐）// Logan.Li
+	for _, v := range views {
+		if v.LastStatus == "up" {
+			siteprobe.ResolveRecoveredProbeAlerts(db, v.ID, "success")
+		}
+	}
 	ids := make([]uint, 0, len(views))
 	for _, v := range views {
 		ids = append(ids, v.ID)
@@ -87,9 +93,15 @@ func enrichSiteTaskViewsAlert(db *gorm.DB, views []SiteTaskView) {
 		alerting[r.TaskID] = true
 	}
 	for i := range views {
-		if alerting[views[i].ID] {
-			views[i].AlertStatus = "alerting"
+		if !alerting[views[i].ID] {
+			continue
 		}
+		// 最近一次拨测成功则显示正常（与 down_count 一致；SSL 证书预警走行内徽章）// Logan.Li
+		if views[i].LastStatus == "up" {
+			views[i].AlertStatus = "normal"
+			continue
+		}
+		views[i].AlertStatus = "alerting"
 	}
 }
 
@@ -195,7 +207,7 @@ func parseCreateTaskRequest(raw map[string]interface{}) model.SiteTask {
 		TaskType:       model.SiteTaskType(taskType),
 		Method:         model.SiteTaskMethodGET,
 		Timeout:        getInt(10, "timeout_sec", "timeout"),
-		Frequency:      getInt(60, "frequency_sec", "frequency"),
+		Frequency:      siteprobe.NormalizeProbeFrequency(taskType, getInt(0, "frequency_sec", "frequency")),
 		ExpectedStatus: getInt(200, "expected_status_code", "expected_status"),
 		FollowRedirect: true,
 		VerifySSL:      true,