Seven tasks: the index swap, the hq fields, the three scoped lookups, removing admin's unscoped control-plane login, and an end-to-end verification that two users sharing one address sign in to different instances. Also corrects the spec's phase list, which claimed phase 1 projects the creator as owner. Projection needs instance creation, which is phase 2. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>