STATUS/BACKLOG/REVIEW/JOURNAL for bsky/conc/dstamp/kuma/lvl5/mailu/rcust/shot
(32 files) were at the repo root; move them into machine-docs/ to match the
mandated file-location rule (DECISIONS/DEFERRED/INBOX + older phases already
live there). AGENTS.md gains an explicit File-location rule. No content change.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
