The prompts used to arrive at this change since the previous commit
User exported a Roundcube test filter, asked for a new Sieve file for the current setup, and requested that Afmelden rules be included while disregarding the existing roundcube.txt filters.
Any special observations that may be relevant for version management for this version. Be brief.
Generated mailcat_roundcube.sieve from mailinglist_routes.json and domain_routes.json with INBOX-prefixed fileinto targets and no copy actions. No local Sieve compiler was available; JSON and structural checks passed. roundcube.txt, verplaats_log.json, and plan.md were left unstaged.
