Introduce tenant-scoped Space/SpaceMembership with list and detail views.
Document markdown-in-Forgejo as content SoR (ADR-0002). Run migrations on
container start so app.coulomb.social picks up the new tables.
Mark CSOC-WP-0002 identity done on app.coulomb.social. Defer bulk Bubble
migration until product foundation exists. Open CSOC-WP-0004 for post-login
entry and space content as markdown bound to Forgejo.
Prepare the greenfield rebuild of coulomb.social (bubble.io exit) with
orientation docs, TRSL license, Claude/Codex agent integration, and repo
classification under domain communication / topic coulomb-social. Workplan
CSOC-WP-0001 (exit assessment) is already registered via fix-consistency.