feat(openflare): 将定时任务迁入 Wavelet Asynq 异步任务框架

将 SSL 续期、可观测数据清理、WAF IP 组同步与 Uptime Kuma 同步
从 API 进程内 cron 迁移为 Asynq Handler，并通过 w_schedules 种子迁移
注册默认定时调度；移除 bootstrap 中的 in-process cron 启动逻辑。

Wavelet/internal/apps/openflare/tasks/database_cleanup.go

@@ -11,7 +11,6 @@ import (
 	"time"
 
 	"github.com/Rain-kl/Wavelet/internal/model"
-	"github.com/Rain-kl/Wavelet/pkg/logger"
 )
 
 const (
@@ -29,10 +28,6 @@ var databaseCleanupTargets = map[string]string{
 	DatabaseCleanupTargetRequestReports:  "请求聚合",
 }
 
-func init() {
-	registerJob("database_auto_cleanup", "0 3 * * *", runDatabaseAutoCleanupJob)
-}
-
 // DatabaseCleanupInput describes a manual observability cleanup request.
 type DatabaseCleanupInput struct {
 	Target        string `json:"target"`
@@ -128,28 +123,6 @@ func RunDatabaseAutoCleanupOnce(now time.Time) (*DatabaseAutoCleanupSummary, err
 	}, nil
 }
 
-func runDatabaseAutoCleanupJob(ctx context.Context) {
-	summary, err := RunDatabaseAutoCleanupOnce(time.Now())
-	if err != nil {
-		logger.ErrorF(ctx, "[OpenFlareTasks] database auto cleanup failed: %v", err)
-		return
-	}
-	if summary == nil {
-		return
-	}
-
-	totalDeleted := int64(0)
-	for _, item := range summary.Results {
-		totalDeleted += item.DeletedCount
-	}
-	logger.InfoF(
-		ctx,
-		"[OpenFlareTasks] database auto cleanup completed retention_days=%d deleted_count=%d",
-		summary.RetentionDays,
-		totalDeleted,
-	)
-}
-
 func deleteAllObservabilityRows(ctx context.Context, target string) (int64, error) {
 	switch target {
 	case DatabaseCleanupTargetAccessLogs: