feat: Implement a new monitoring system with auto-add capabilities and a dedicated management UI.

backend/internal/api/auto_add.go

@@ -34,15 +34,24 @@ func StartAutoAddService() {
 	logger.Info("自动补号检查器已启动（需在前端开启开关）", "", "auto-add")
 
 	go func() {
-		ticker := time.NewTicker(60 * time.Second) // 每分钟检查一次
-		defer ticker.Stop()
+		// 默认检查间隔 60 秒
+		checkInterval := 60
 
 		for {
+			// 动态读取检查间隔配置
+			if database.Instance != nil {
+				if val, _ := database.Instance.GetConfig("monitor_check_interval"); val != "" {
+					if v, err := strconv.Atoi(val); err == nil && v >= 10 {
+						checkInterval = v
+					}
+				}
+			}
+
 			select {
 			case <-autoAddStopChan:
 				logger.Info("自动补号检查器已停止", "", "auto-add")
 				return
-			case <-ticker.C:
+			case <-time.After(time.Duration(checkInterval) * time.Second):
 				checkAndAutoAdd()
 			}
 		}
@@ -72,6 +81,7 @@ func checkAndAutoAdd() {
 		autoAddEnabled = true
 	}
 	if !autoAddEnabled {
+		// 自动补号未开启，静默返回
 		return
 	}
 
@@ -83,7 +93,11 @@ func checkAndAutoAdd() {
 		}
 	}
 
-	if time.Since(lastAutoAddTime).Seconds() < float64(minInterval) {
+	elapsed := time.Since(lastAutoAddTime).Seconds()
+	if elapsed < float64(minInterval) {
+		// 距离上次补号时间不足，显示等待信息
+		remaining := float64(minInterval) - elapsed
+		logger.Info(fmt.Sprintf("自动补号: 等待中 (还需 %.0f 秒)", remaining), "", "auto-add")
 		return
 	}
 
@@ -110,6 +124,7 @@ func checkAndAutoAdd() {
 
 	deficit := target - current
 	if deficit <= 0 {
+		logger.Info(fmt.Sprintf("自动补号: 当前 %d >= 目标 %d, 无需补号", current, target), "", "auto-add")
 		return
 	}