登録番組の定期確認を追加（24 時間ごと、予告の除外、確認エラーの記録）

internal/store/store.go

@@ -59,6 +59,8 @@ type Subscription struct {
 	Enabled               bool
 	CreatedAt             time.Time
 	LastCheckedAt         *time.Time
+	LastCheckErrorAt      *time.Time
+	LastCheckError        *string
 	JobCount              int64
 }
 
@@ -301,6 +303,7 @@ func (s *Store) DeleteSubscription(ctx context.Context, seriesID string) (bool,
 
 func (s *Store) ListSubscriptions(ctx context.Context) ([]Subscription, error) {
 	rows, err := s.pool.Query(ctx, `SELECT s.series_id, s.series_title, s.enabled, s.created_at, s.last_checked_at,
+		s.last_check_error_at, s.last_check_error,
 		(SELECT count(*) FROM download_jobs j WHERE j.series_id=s.series_id)
 		FROM subscriptions s ORDER BY s.created_at DESC, s.series_id`)
 	if err != nil {
@@ -310,7 +313,8 @@ func (s *Store) ListSubscriptions(ctx context.Context) ([]Subscription, error) {
 	var subs []Subscription
 	for rows.Next() {
 		var sub Subscription
-		if err := rows.Scan(&sub.SeriesID, &sub.SeriesTitle, &sub.Enabled, &sub.CreatedAt, &sub.LastCheckedAt, &sub.JobCount); err != nil {
+		if err := rows.Scan(&sub.SeriesID, &sub.SeriesTitle, &sub.Enabled, &sub.CreatedAt, &sub.LastCheckedAt,
+			&sub.LastCheckErrorAt, &sub.LastCheckError, &sub.JobCount); err != nil {
 			return nil, err
 		}
 		subs = append(subs, sub)