VATSIM Coordination Board — Drag & Drop Fix Stacked vertical lanes One card per callsign Cross-lane drag & drop working (droppable containers added) Lane-specific fixes for Curacao, Maiquetia, Piarco, New York Run npm install npm run server # start backend server npm run dev # start Vite client Local build & smoke test Build client cd vatsim-coord-app npm install npm run build cd .. Start server (serve built client): export CLIENT_DIR=vatsim-coord-app/dist npm start Open the site and verify realtime sync via two browser windows. Drag cards between lanes and edit fields. Values should propagate between windows.