Play a notification sound on the user's computer and show a system banner. Call this whenever a task is done, something needs the user's attention, or the user asks to be notified. Always write a concise, human-friendly title and message describing what just happened or needs attention (e.g. title: 'Build finished', message: 'All 142 tests passed, no errors.'). Default sound resolution: NOTIFY_SOUND env var, then a sounds/default* file, then the first file in this server's sounds/ folder, then the bundled chime, then the system sound. You can pass an absolute path to any audio/video file with audio (mp4, m4a, mp3, wav, aiff) in sound.

List audio files available to the notify tool and the currently selected default sound. Resolution order: NOTIFY_SOUND env var, sounds/default* file, first file in sounds/, bundled chime, system sound.