- Created BacklogView component with: - Search and filter (by type and priority) - List of unassigned backlog items - Quick sprint assignment dropdown - Sprint planning section showing all sprints - Drag-and-drop for reordering - Stats summary (total, urgent, high priority) - Quick add button for new backlog items - Added Backlog view toggle alongside Kanban/Sprint - Backlog items show type, priority, comment count
- Created data/tasks.json with all 13 tasks - Added data directory that was missing after server restart - Tasks now properly persisted to file storage - All previous work restored (Tasks #1-13)