n — New task (opens create dialog)
/ — Focus the search input
j — Move focus to the next task
k — Move focus to the previous task
← / → — Move focus to the previous / next column (board view)
↑ / ↓ — Move focus up / down within a column or list
Space — Peek the focused task's detail panel
Enter — Open the focused task in full detail
c — Mark the focused task complete (toggle)
Esc — Close peek panel, cancel quick-add, or clear selection