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The previous fix (92fa1cb) only collapsed subdomains when an explicit managed/imported certificate had a wildcard. When all hosts use Caddy Auto (no certificate assigned), the wildcard ACME host was not checked against sibling subdomain hosts, so each showed as a separate entry. Also adds a startup migration to rename the stored IONOS DNS credential key from api_token to auth_api_token for users who configured IONOS beforeef62ef2. Closes #110 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>