CONFIG_ZMK_JAVELIN_STENO_DICT choices:
- PLOVER (default) — downloads openstenoproject/plover main.json
- LAPWING — downloads lapwing-base + lapwing-commands + lapwing-numbers
- NONE — no auto-download, upload via USB or provide custom binary
Set in corne.conf: CONFIG_ZMK_JAVELIN_STENO_DICT_LAPWING=y