pub fn action_device_path() -> Option<PathBuf>Expand description
Return the /dev/input/eventN node for the action-injector uinput device,
initialising it if needed.
Intended for debugging and manual smoke-testing (e.g. attaching evtest
before firing Action::execute). Returns None on non-Linux platforms or
when the device could not be created (e.g. /dev/uinput not writable).