fix(scheduler): убрать двойной SaveCheckRun (Checker персистит), SetDrift через CountDriftDomains, resolved после error

internal/store/db/domains.sql.go

@@ -12,6 +12,17 @@ import (
 	dto "github.com/vasyakrg/dns-autoresolver/internal/store/dto"
 )
 
+const countDriftDomains = `-- name: CountDriftDomains :one
+SELECT count(*) FROM domains WHERE last_check_status = 'drift'
+`
+
+func (q *Queries) CountDriftDomains(ctx context.Context) (int64, error) {
+	row := q.db.QueryRow(ctx, countDriftDomains)
+	var count int64
+	err := row.Scan(&count)
+	return count, err
+}
+
 const createDomain = `-- name: CreateDomain :one
 INSERT INTO domains (id, project_id, provider_account_id, zone_name, zone_id, template_id)
 VALUES ($1, $2, $3, $4, $5, $6)