utility Directory Reference

Files
	bitwise_state.hpp
	Generic bit-map state tracking for keyboard-like devices.
	button_event_detector.hpp
	Host-side port of the iot_button v4.1.4 click/long-press FSM.
	cardkb2_modifier_state.hpp
	CardKB2 Sym/Caps/Fn modifier state machine (firmware-parity), event-driven and native-testable.
	hid_keycode.cpp
	HID Usage ID → ASCII translation tables (US ANSI layout)
	hid_keycode.hpp
	HID Usage Code (Keyboard Page 0x07) → ASCII char translator (US ANSI layout)