Rust API: add move_task, rename_list, set/get_group_by_due_date,
watch_workspace_changes (stream-based via StreamSink) with notify
crate. Self-change suppression via mute_watcher().
Dart frontend: moveTask, renameList, setGroupByDueDate in AppState.
Move-to bottom sheet in TaskDetailView. Rename dialog and group-by-
due-date toggle in list context menu. File watcher stream subscription
on workspace load/switch.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Remove Flutter app and egui placeholder crate, commit to Tauri as sole GUI
- Update PLAN.md to replace egui with Tauri across all phases (v4.0)
- Redesign task screen: sliding drawer for list picker, floating FAB for new tasks,
bottom sheet toast for task creation with title + description fields
- Add description support to create_task Tauri command
- Lighten dark theme to GNOME-style neutral grays, shift primary to cyan-blue
- Fix Wayland compatibility (dev port change)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>