Core Features (Must Have)
Add Task
Create task with title + optional due date
Task List
Display all tasks in a flat list
Complete Task
Toggle completion with strikethrough
Due Date Visual
Overdue (red), due-today (yellow)
New in v2 ENHANCED
Drag Reorder
Drag tasks to reorder priority
Keyboard Shortcuts
Enter=add, Esc=cancel, Ctrl+D=dark
Dark Mode
Toggle light/dark theme
Export/Import
JSON file backup and restore
Sample Data
One-click demo data loader
Clear Completed
Bulk delete finished tasks