Tasks TUI:
- Add context support to TaskBackend interface (get_context, set_context,
get_contexts methods)
- Implement context methods in DstaskClient
- Add Context section to FilterSidebar (above projects/tags)
- Context changes persist via backend CLI
Calendar TUI:
- Remove duplicate header from InvitesPanel (use border_title instead)
- Fix border_title color to use $primary
- Fix WeekGrid to always scroll to work day start (7am) on mount
- Add MonthCalendar widget as a collapsible sidebar (toggle with 's')
- Sidebar syncs with main week grid (week highlight, selected date)
- Click dates in sidebar to navigate week grid to that date
- Click month navigation arrows to change displayed month
- Add goto_date() method to WeekGrid for date navigation
- Sync: Parallelize message downloads with asyncio.gather (batch size 5)
- Sync: Increase HTTP semaphore from 2 to 5 concurrent requests
- Sync: Add IPC notifications to sync daemon after sync completes
- Mail: Replace all hardcoded RGB colors with theme variables
- Mail: Remove envelope icon/checkbox gap (padding cleanup)
- Mail: Add IPC listener for refresh notifications from sync
- Calendar: Style current time line with error color and solid line
- Tasks: Fix table not displaying (CSS grid to horizontal layout)
- CLI: Implement lazy command loading for faster startup (~12s to ~0.3s)
- Add PROJECT_PLAN.md with full improvement roadmap
- Add src/utils/ipc.py for Unix socket cross-app communication
