- Added recurrence field (daily/weekly/biweekly/monthly) to tasks schema
- Backend: auto-creates next task instance when recurring task completed
- Copies title, description, assignee, project, tags, subtasks (unchecked)
- Computes next due date based on frequency
- Optional autoActivate to immediately activate next instance
- Frontend: recurrence picker in CreateTaskModal and TaskDetailPanel
- Recurrence badges (🔄) on TaskCard, KanbanBoard, TaskPage, DashboardPage
- Schema uses JSONB column (no migration needed, db:push on deploy)
- Full dark mode across TaskPage (header, cards, sidebar, forms)
- Task descriptions rendered as markdown (ReactMarkdown + remark-gfm)
- Inline description editing with markdown preview
- Inline title editing (click to edit)
- Theme system (useTheme hook with light/dark/system toggle)
- Dark mode classes across remaining components
- Schema: added due_date and subtasks JSONB columns to tasks
- API: CRUD endpoints for subtasks (/tasks/:id/subtasks)
- API: due date support in create/update task
- TaskDetailPanel: due date picker with overdue/soon badges
- TaskDetailPanel: subtask checklist with progress bar
- TaskPage: full-page task view at /task/HQ-{number}
- Dashboard: task cards link to detail page, show subtask progress & due date badges
- Migration: 0001_mighty_callisto.sql