slop-zone is a timed artifact lifecycle manager — TTL for thought objects. Mobile-first timed inbox for LLM output, voice transcripts, code, drafts, documents, and temporary files. Every artifact gets an expiry timestamp and policy-driven action on expiry. Nightly cron finds expired artifacts and applies protection, review, archive, or trash rules. Lifecycle options: Scratch, Session, Day, Week, Project, Permanent, Agent Decides. Queues: Inbox, Expiring, Review Queue, Timed Trash, Archive. Integrates with slop-up for marketplace listing. Cloudflare-native: Workers, D1, R2, Vectorize, KV, Queues. No permanent deletion in v1.