Safe by default
Matches on key, not code — only a-z and 0-9 are allowed as non-modifier keys. Shift+digit is
rejected to avoid locale-dependent behavior. The mod2 keyword provides a safe cross-platform
secondary modifier (Ctrl on macOS, Alt on Windows/Linux).
Key sequences
Multi-chord shortcuts like
Held-keys tracking
Real-time tracking of pressed keys with stale-modifier recovery, blur reset, and single-key hold detection.
Shortcut recording
Built-in recordShortcut() utility for “press a key to rebind” UIs with safety validation.
