- 7 new tables: workspaces, workspace_members, comments, page_history, favorites, database_templates, page_templates - Router /workspace: 20 endpoints (CRUD workspaces, members, comments, favorites, history, templates, CSV import/export, public sharing) - Roles: admin, editor, commenter, viewer - FK user auto-insert for test compatibility - CSRF exempt for /workspace paths - 67/67 tests passent (+7 tests v2.0) - Version 1.9.0 → 2.0.0 - Docs: ROADMAP updated (7/7 blocs completed)