Add task management page with dual view modes (list table and kanban columns). Tasks are fetched from the gateway API and displayed with status badges, priority indicators, and due dates. Kanban columns map to task statuses: not-started, in-progress, blocked, done. Components: TaskCard, KanbanBoard, TaskListView Types: Task, TaskStatus, TaskPriority, Project, ProjectStatus Refs #29 Co-Authored-By: Claude Opus 4.6 <[email protected]>