create and import differed only in where the entropy came from and already
shared one store function, so they are one command with the source named:
/_wallet create new, or /_wallet create seed=<phrase>. Naming it means no
seed is generated by typing a prefix.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rvc3HbiWBTqbAvRT45G5oX