Nov 22 17:40:02 neo caddy[3373040]: {"level":"error","ts":1700703602.645972,"logger":"tls.issuance.acme.acme_client","msg":"cleaning up solver","identifier":"sub.domain.tld","challenge_type":"dns-01","error":"deleting temporary record for name \"_acme-challenge.sub.domain.tld\" in zone \"domain.tld.\": scaleway-sdk-go: error executing request: Patch \"https://api.scaleway.com/domain/v2beta1/dns-zones/domain.tld./records\": EOF"}
The TXT record is indeed still present after the challenge is finished.
Nov 22 17:40:02 neo caddy[3373040]: {"level":"error","ts":1700703602.645972,"logger":"tls.issuance.acme.acme_client","msg":"cleaning up solver","identifier":"sub.domain.tld","challenge_type":"dns-01","error":"deleting temporary record for name \"_acme-challenge.sub.domain.tld\" in zone \"domain.tld.\": scaleway-sdk-go: error executing request: Patch \"https://api.scaleway.com/domain/v2beta1/dns-zones/domain.tld./records\": EOF"}
The TXT record is indeed still present after the challenge is finished.