- DB: pages.workspace_id column linking pages to workspaces table
- /workspaces: list, create, rename, delete workspaces page
- API: GET/POST/PUT/DELETE /api/workspaces + POST select
- Session: flowdeck_workspace cookie for active workspace tracking
- Sidebar: Workspace section shows active workspace name + page tree
- Local workspace APIs filter by active workspace_id
- Home redirects non-Gitea users to /workspaces
