A full-stack collaborative workspace built to prove out production-grade real-time architecture: kanban boards, live chat, and presence all in sync across every session with no page refreshes. Live kanban boards sync tasks, comments, and labels across users in around 50ms, with drag-and-drop reordering. Real-time presence, live cursors, and typing indicators make teams feel like they're in the same room. Org-wide chat includes unread badges and a full notification center, and multi-tenant workspaces support invite-by-email with role-based permissions. Built production-first with rate limiting,